Ero Copper Intercepts 115 Meters at 0.98% CuEq¹ in Deepest Hole Drilled to Date at Furnas Copper-Gold Project - Phase 2 Drill Program to be Completed in Early Q4 2025
Original announcement by tmx on
- Company
- Ero Copper Corp.
- Ticker
- ERO
- Exchange
- TSX
- Region
- Pará State, Brazil
- Primary commodity
- Copper
- Secondary commodities
- Gold
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-13 23:11:24 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Ero Copper announced strong assay results from its Phase 1 drill program at the Furnas Copper-Gold Project in Brazil, highlighted by the deepest hole to date intersecting 115 meters at 0.98% CuEq, significantly extending mineralization. The results confirm high-grade continuity and support an upcoming updated NI 43-101 compliant mineral resource estimate and preliminary economic assessment. The Phase 2 drill program is also ahead of schedule, with completion expected in early Q4 2025.
Reasoning: The drill results show significant high-grade copper-gold intercepts, extending mineralization to record depths and confirming continuity, which is highly material for an exploration project. The program is ahead of schedule, and an updated resource estimate and PEA are planned, indicating strong project advancement. The QA/QC and metal equivalent assumptions are well-disclosed, increasing confidence.
Positive factors
- Deepest hole to date extends mineralization significantly down-dip
- High-grade intercepts demonstrate continuity within known zones
- Drill program ahead of schedule, indicating operational efficiency
- Updated NI 43-101 MRE and PEA planned, signaling project advancement
- Comprehensive QA/QC program disclosed with certified labs and QP sign-off
- Metal equivalent assumptions fully disclosed
Negative factors
- No true width disclosed for drill intercepts
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 217
Extracted facts
Stored fact records: 217. Some facts used in scoring do not have a stored record.
Drill Results (217)
FURN-DD-00280Furnas · copperGrade: 0.79Grade Unit: %Intercept: 65 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00280
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.79
- Grade Unit
- %
- Intercept
- 65 m
- From
- 458 m
- To
- 523 m
- Hole Depth
- 589.8 m
- Intercept Depth
- 458 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00280:458-523
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Easting
- 611953
- Northing
- 9346660
- Elevation
- 349 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.98
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width for an IOCG deposit, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.79”
Context: 65
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00280Furnas · goldGrade: 0.4Grade Unit: g/tIntercept: 65 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00280
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.4
- Grade Unit
- g/t
- Intercept
- 65 m
- From
- 458 m
- To
- 523 m
- Hole Depth
- 589.8 m
- Intercept Depth
- 458 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00280:458-523
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Easting
- 611953
- Northing
- 9346660
- Elevation
- 349 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.98
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a significant width, adding value to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.40”
Context: 65
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00280Furnas · copperGrade: 0.85Grade Unit: %Intercept: 32 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00280
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.85
- Grade Unit
- %
- Intercept
- 32 m
- From
- 491 m
- To
- 523 m
- Hole Depth
- 589.8 m
- Intercept Depth
- 458 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00280:491-523
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Easting
- 611953
- Northing
- 9346660
- Elevation
- 349 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a higher-grade copper zone, indicating good internal continuity and potential for higher-grade mining.
Positive factors
- Higher copper grade within sub-interval
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.85”
Context: 32
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00280Furnas · goldGrade: 0.54Grade Unit: g/tIntercept: 32 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00280
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.54
- Grade Unit
- g/t
- Intercept
- 32 m
- From
- 491 m
- To
- 523 m
- Hole Depth
- 589.8 m
- Intercept Depth
- 458 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00280:491-523
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Easting
- 611953
- Northing
- 9346660
- Elevation
- 349 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a higher-grade gold zone, contributing to the overall value of the intercept.
Positive factors
- Higher gold grade within sub-interval
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.54”
Context: 32
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00281Furnas · copperGrade: 0.63Grade Unit: %Intercept: 111 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00281
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- %
- Intercept
- 111 m
- From
- 488 m
- To
- 599 m
- Hole Depth
- 704.6 m
- Intercept Depth
- 488 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00281:488-599
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Easting
- 612087
- Northing
- 9346657
- Elevation
- 348 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.82
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept demonstrates good copper mineralization over a substantial width, contributing to the overall resource potential.
Positive factors
- Good copper grade for IOCG deposit
- Very significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.63”
Context: 111
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00281Furnas · goldGrade: 0.4Grade Unit: g/tIntercept: 111 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00281
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.4
- Grade Unit
- g/t
- Intercept
- 111 m
- From
- 488 m
- To
- 599 m
- Hole Depth
- 704.6 m
- Intercept Depth
- 488 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00281:488-599
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Easting
- 612087
- Northing
- 9346657
- Elevation
- 348 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.82
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good gold mineralization over a substantial width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Very significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.40”
Context: 111
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00281Furnas · copperGrade: 0.81Grade Unit: %Intercept: 20 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00281
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.81
- Grade Unit
- %
- Intercept
- 20 m
- From
- 519 m
- To
- 539 m
- Hole Depth
- 704.6 m
- Intercept Depth
- 488 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00281:519-539
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Easting
- 612087
- Northing
- 9346657
- Elevation
- 348 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a higher-grade copper zone, indicating good internal continuity.
Positive factors
- Higher copper grade within sub-interval
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.81”
Context: 20
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00281Furnas · goldGrade: 0.62Grade Unit: g/tIntercept: 20 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00281
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.62
- Grade Unit
- g/t
- Intercept
- 20 m
- From
- 519 m
- To
- 539 m
- Hole Depth
- 704.6 m
- Intercept Depth
- 488 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00281:519-539
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Easting
- 612087
- Northing
- 9346657
- Elevation
- 348 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a higher-grade gold zone, contributing to the overall value of the intercept.
Positive factors
- Higher gold grade within sub-interval
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.62”
Context: 20
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00283Furnas · copperGrade: 0.8Grade Unit: %Intercept: 93 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00283
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.8
- Grade Unit
- %
- Intercept
- 93 m
- From
- 429 m
- To
- 523 m
- Hole Depth
- 570.3 m
- Intercept Depth
- 429 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00283:429-523
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612253
- Northing
- 9346433
- Elevation
- 320 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.95
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.80”
Context: 93
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00283Furnas · goldGrade: 0.32Grade Unit: g/tIntercept: 93 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00283
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.32
- Grade Unit
- g/t
- Intercept
- 93 m
- From
- 429 m
- To
- 523 m
- Hole Depth
- 570.3 m
- Intercept Depth
- 429 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00283:429-523
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612253
- Northing
- 9346433
- Elevation
- 320 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.95
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a significant width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.32”
Context: 93
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00283Furnas · copperGrade: 1.51Grade Unit: %Intercept: 18 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00283
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.51
- Grade Unit
- %
- Intercept
- 18 m
- From
- 429 m
- To
- 447 m
- Hole Depth
- 570.3 m
- Intercept Depth
- 429 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00283:429-447
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612253
- Northing
- 9346433
- Elevation
- 320 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.73
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.51”
Context: 18
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00283Furnas · goldGrade: 0.46Grade Unit: g/tIntercept: 18 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00283
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.46
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 429 m
- To
- 447 m
- Hole Depth
- 570.3 m
- Intercept Depth
- 429 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00283:429-447
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612253
- Northing
- 9346433
- Elevation
- 320 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.73
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.46”
Context: 18
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00283Furnas · copperGrade: 1.33Grade Unit: %Intercept: 23 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00283
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.33
- Grade Unit
- %
- Intercept
- 23 m
- From
- 489 m
- To
- 512 m
- Hole Depth
- 570.3 m
- Intercept Depth
- 429 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00283:489-512
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612253
- Northing
- 9346433
- Elevation
- 320 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.67
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.33”
Context: 23
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00283Furnas · goldGrade: 0.71Grade Unit: g/tIntercept: 23 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00283
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.71
- Grade Unit
- g/t
- Intercept
- 23 m
- From
- 489 m
- To
- 512 m
- Hole Depth
- 570.3 m
- Intercept Depth
- 429 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00283:489-512
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612253
- Northing
- 9346433
- Elevation
- 320 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.67
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.71”
Context: 23
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00291Furnas · copperGrade: 0.5Grade Unit: %Intercept: 97 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00291
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 97 m
- From
- 174 m
- To
- 271 m
- Hole Depth
- 338.2 m
- Intercept Depth
- 174 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00291:174-271
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611445
- Northing
- 9346438
- Elevation
- 458 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.62
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows moderate copper mineralization over a substantial width, contributing to the overall resource potential.
Positive factors
- Moderate copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.50”
Context: 97
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00291Furnas · goldGrade: 0.25Grade Unit: g/tIntercept: 97 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00291
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.25
- Grade Unit
- g/t
- Intercept
- 97 m
- From
- 174 m
- To
- 271 m
- Hole Depth
- 338.2 m
- Intercept Depth
- 174 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00291:174-271
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611445
- Northing
- 9346438
- Elevation
- 458 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.62
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows moderate gold mineralization over a substantial width, adding to the polymetallic nature of the deposit.
Positive factors
- Moderate gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.25”
Context: 97
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00291Furnas · copperGrade: 0.93Grade Unit: %Intercept: 17 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00291
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.93
- Grade Unit
- %
- Intercept
- 17 m
- From
- 174 m
- To
- 190 m
- Hole Depth
- 338.2 m
- Intercept Depth
- 174 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00291:174-190
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611445
- Northing
- 9346438
- Elevation
- 458 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.1
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.93”
Context: 17
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00291Furnas · goldGrade: 0.35Grade Unit: g/tIntercept: 17 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00291
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.35
- Grade Unit
- g/t
- Intercept
- 17 m
- From
- 174 m
- To
- 190 m
- Hole Depth
- 338.2 m
- Intercept Depth
- 174 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00291:174-190
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611445
- Northing
- 9346438
- Elevation
- 458 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.1
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.35”
Context: 17
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00291Furnas · copperGrade: 0.75Grade Unit: %Intercept: 19 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00291
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.75
- Grade Unit
- %
- Intercept
- 19 m
- From
- 252 m
- To
- 271 m
- Hole Depth
- 338.2 m
- Intercept Depth
- 174 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00291:252-271
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611445
- Northing
- 9346438
- Elevation
- 458 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.94
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.75”
Context: 19
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00291Furnas · goldGrade: 0.39Grade Unit: g/tIntercept: 19 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00291
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.39
- Grade Unit
- g/t
- Intercept
- 19 m
- From
- 252 m
- To
- 271 m
- Hole Depth
- 338.2 m
- Intercept Depth
- 174 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00291:252-271
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611445
- Northing
- 9346438
- Elevation
- 458 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.94
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.39”
Context: 19
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00292Furnas · copperGrade: 0.57Grade Unit: %Intercept: 52 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00292
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.57
- Grade Unit
- %
- Intercept
- 52 m
- From
- 196 m
- To
- 248 m
- Hole Depth
- 374.8 m
- Intercept Depth
- 196 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00292:196-248
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611303
- Northing
- 9346600
- Elevation
- 413 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.84
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows moderate copper mineralization over a good width, contributing to the overall resource potential.
Positive factors
- Moderate copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.57”
Context: 52
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00292Furnas · goldGrade: 0.56Grade Unit: g/tIntercept: 52 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00292
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.56
- Grade Unit
- g/t
- Intercept
- 52 m
- From
- 196 m
- To
- 248 m
- Hole Depth
- 374.8 m
- Intercept Depth
- 196 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00292:196-248
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611303
- Northing
- 9346600
- Elevation
- 413 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.84
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.56”
Context: 52
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00292Furnas · copperGrade: 0.59Grade Unit: %Intercept: 36 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00292
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.59
- Grade Unit
- %
- Intercept
- 36 m
- From
- 212 m
- To
- 248 m
- Hole Depth
- 374.8 m
- Intercept Depth
- 196 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00292:212-248
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611303
- Northing
- 9346600
- Elevation
- 413 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.91
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows moderate copper mineralization over a good width, contributing to the overall resource potential.
Positive factors
- Moderate copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.59”
Context: 36
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00292Furnas · goldGrade: 0.68Grade Unit: g/tIntercept: 36 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00292
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.68
- Grade Unit
- g/t
- Intercept
- 36 m
- From
- 212 m
- To
- 248 m
- Hole Depth
- 374.8 m
- Intercept Depth
- 196 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00292:212-248
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611303
- Northing
- 9346600
- Elevation
- 413 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.91
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.68”
Context: 36
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00292Furnas · copperGrade: 0.63Grade Unit: %Intercept: 13 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00292
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- %
- Intercept
- 13 m
- From
- 235 m
- To
- 248 m
- Hole Depth
- 374.8 m
- Intercept Depth
- 196 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00292:235-248
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611303
- Northing
- 9346600
- Elevation
- 413 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.08
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good copper grade, contributing to the overall resource potential.
Positive factors
- Good copper grade for IOCG deposit
- Moderate intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.63”
Context: 13
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00292Furnas · goldGrade: 0.95Grade Unit: g/tIntercept: 13 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00292
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.95
- Grade Unit
- g/t
- Intercept
- 13 m
- From
- 235 m
- To
- 248 m
- Hole Depth
- 374.8 m
- Intercept Depth
- 196 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00292:235-248
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611303
- Northing
- 9346600
- Elevation
- 413 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.08
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept.
Positive factors
- Strong gold grade for IOCG deposit
- Moderate intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.95”
Context: 13
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00294Furnas · copperGrade: 0.56Grade Unit: %Intercept: 83 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00294
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.56
- Grade Unit
- %
- Intercept
- 83 m
- From
- 556 m
- To
- 639 m
- Hole Depth
- 682.5 m
- Intercept Depth
- 556 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00294:556-639
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612029
- Northing
- 9346785
- Elevation
- 312 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.75
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows moderate copper mineralization over a substantial width, contributing to the overall resource potential.
Positive factors
- Moderate copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.56”
Context: 83
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00294Furnas · goldGrade: 0.39Grade Unit: g/tIntercept: 83 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00294
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.39
- Grade Unit
- g/t
- Intercept
- 83 m
- From
- 556 m
- To
- 639 m
- Hole Depth
- 682.5 m
- Intercept Depth
- 556 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00294:556-639
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612029
- Northing
- 9346785
- Elevation
- 312 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.75
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good gold mineralization over a substantial width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.39”
Context: 83
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00294Furnas · copperGrade: 0.63Grade Unit: %Intercept: 47 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00294
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- %
- Intercept
- 47 m
- From
- 570 m
- To
- 617 m
- Hole Depth
- 682.5 m
- Intercept Depth
- 556 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00294:570-617
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612029
- Northing
- 9346785
- Elevation
- 312 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.85
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good copper grade, indicating internal continuity and potential for higher-grade mining.
Positive factors
- Good copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.63”
Context: 47
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00294Furnas · goldGrade: 0.46Grade Unit: g/tIntercept: 47 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00294
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.46
- Grade Unit
- g/t
- Intercept
- 47 m
- From
- 570 m
- To
- 617 m
- Hole Depth
- 682.5 m
- Intercept Depth
- 556 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00294:570-617
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612029
- Northing
- 9346785
- Elevation
- 312 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.85
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.46”
Context: 47
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00296Furnas · copperGrade: 0.42Grade Unit: %Intercept: 81 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00296
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.42
- Grade Unit
- %
- Intercept
- 81 m
- From
- 119 m
- To
- 200 m
- Hole Depth
- 315.1 m
- Intercept Depth
- 119 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00296:119-200
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611983
- Northing
- 9346211
- Elevation
- 427 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.48
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows moderate copper mineralization over a substantial width, contributing to the overall resource potential.
Positive factors
- Moderate copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.42”
Context: 81
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00296Furnas · goldGrade: 0.13Grade Unit: g/tIntercept: 81 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00296
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.13
- Grade Unit
- g/t
- Intercept
- 81 m
- From
- 119 m
- To
- 200 m
- Hole Depth
- 315.1 m
- Intercept Depth
- 119 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00296:119-200
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611983
- Northing
- 9346211
- Elevation
- 427 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.48
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows moderate gold mineralization over a substantial width, adding to the polymetallic nature of the deposit.
Positive factors
- Moderate gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.13”
Context: 81
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00296Furnas · copperGrade: 0.89Grade Unit: %Intercept: 18 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00296
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.89
- Grade Unit
- %
- Intercept
- 18 m
- From
- 182 m
- To
- 200 m
- Hole Depth
- 315.1 m
- Intercept Depth
- 119 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00296:182-200
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611983
- Northing
- 9346211
- Elevation
- 427 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.89”
Context: 18
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00296Furnas · goldGrade: 0.23Grade Unit: g/tIntercept: 18 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00296
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.23
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 182 m
- To
- 200 m
- Hole Depth
- 315.1 m
- Intercept Depth
- 119 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00296:182-200
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611983
- Northing
- 9346211
- Elevation
- 427 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a moderate gold grade, contributing to the overall value of the intercept.
Positive factors
- Moderate gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.23”
Context: 18
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00297Furnas · copperGrade: 0.91Grade Unit: %Intercept: 92 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00297
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.91
- Grade Unit
- %
- Intercept
- 92 m
- From
- 297 m
- To
- 389 m
- Hole Depth
- 481.8 m
- Intercept Depth
- 297 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00297:297-389
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611992
- Northing
- 9346337
- Elevation
- 421 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.22
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a significant width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.91”
Context: 92
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00297Furnas · goldGrade: 0.65Grade Unit: g/tIntercept: 92 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00297
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.65
- Grade Unit
- g/t
- Intercept
- 92 m
- From
- 297 m
- To
- 389 m
- Hole Depth
- 481.8 m
- Intercept Depth
- 297 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00297:297-389
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611992
- Northing
- 9346337
- Elevation
- 421 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.22
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a significant width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.65”
Context: 92
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00297Furnas · copperGrade: 1.04Grade Unit: %Intercept: 47 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00297
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.04
- Grade Unit
- %
- Intercept
- 47 m
- From
- 297 m
- To
- 344 m
- Hole Depth
- 481.8 m
- Intercept Depth
- 297 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00297:297-344
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611992
- Northing
- 9346337
- Elevation
- 421 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.18
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.04”
Context: 47
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00297Furnas · goldGrade: 0.3Grade Unit: g/tIntercept: 47 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00297
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 47 m
- From
- 297 m
- To
- 344 m
- Hole Depth
- 481.8 m
- Intercept Depth
- 297 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00297:297-344
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611992
- Northing
- 9346337
- Elevation
- 421 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.18
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.30”
Context: 47
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00297Furnas · copperGrade: 1.1Grade Unit: %Intercept: 30 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00297
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.1
- Grade Unit
- %
- Intercept
- 30 m
- From
- 359 m
- To
- 389 m
- Hole Depth
- 481.8 m
- Intercept Depth
- 297 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00297:359-389
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611992
- Northing
- 9346337
- Elevation
- 421 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.81
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.10”
Context: 30
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00297Furnas · goldGrade: 1.48Grade Unit: g/tIntercept: 30 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00297
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.48
- Grade Unit
- g/t
- Intercept
- 30 m
- From
- 359 m
- To
- 389 m
- Hole Depth
- 481.8 m
- Intercept Depth
- 297 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00297:359-389
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611992
- Northing
- 9346337
- Elevation
- 421 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.81
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept.
Positive factors
- Strong gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.48”
Context: 30
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00298Furnas · copperGrade: 0.9Grade Unit: %Intercept: 94 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00298
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.9
- Grade Unit
- %
- Intercept
- 94 m
- From
- 329 m
- To
- 423 m
- Hole Depth
- 481.6 m
- Intercept Depth
- 329 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00298:329-423
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611961
- Northing
- 9346397
- Elevation
- 415 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.17
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a significant width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.90”
Context: 94
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00298Furnas · goldGrade: 0.57Grade Unit: g/tIntercept: 94 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00298
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.57
- Grade Unit
- g/t
- Intercept
- 94 m
- From
- 329 m
- To
- 423 m
- Hole Depth
- 481.6 m
- Intercept Depth
- 329 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00298:329-423
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611961
- Northing
- 9346397
- Elevation
- 415 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.17
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a significant width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.57”
Context: 94
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00298Furnas · copperGrade: 1.34Grade Unit: %Intercept: 26 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00298
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.34
- Grade Unit
- %
- Intercept
- 26 m
- From
- 353 m
- To
- 379 m
- Hole Depth
- 481.6 m
- Intercept Depth
- 329 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00298:353-379
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611961
- Northing
- 9346397
- Elevation
- 415 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.64
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.34”
Context: 26
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00298Furnas · goldGrade: 0.63Grade Unit: g/tIntercept: 26 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00298
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- g/t
- Intercept
- 26 m
- From
- 353 m
- To
- 379 m
- Hole Depth
- 481.6 m
- Intercept Depth
- 329 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00298:353-379
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611961
- Northing
- 9346397
- Elevation
- 415 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.64
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.63”
Context: 26
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00298Furnas · copperGrade: 0.99Grade Unit: %Intercept: 22 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00298
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.99
- Grade Unit
- %
- Intercept
- 22 m
- From
- 399 m
- To
- 421 m
- Hole Depth
- 481.6 m
- Intercept Depth
- 329 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00298:399-421
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611961
- Northing
- 9346397
- Elevation
- 415 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.46
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.99”
Context: 22
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00298Furnas · goldGrade: 0.98Grade Unit: g/tIntercept: 22 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00298
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.98
- Grade Unit
- g/t
- Intercept
- 22 m
- From
- 399 m
- To
- 421 m
- Hole Depth
- 481.6 m
- Intercept Depth
- 329 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00298:399-421
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611961
- Northing
- 9346397
- Elevation
- 415 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.46
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept.
Positive factors
- Strong gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.98”
Context: 22
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00299Furnas · copperGrade: 0.76Grade Unit: %Intercept: 62 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00299
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.76
- Grade Unit
- %
- Intercept
- 62 m
- From
- 422 m
- To
- 483 m
- Hole Depth
- 568.5 m
- Intercept Depth
- 422 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00299:422-483
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612465
- Northing
- 9346176
- Elevation
- 321 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.03
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.76”
Context: 62
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00299Furnas · goldGrade: 0.57Grade Unit: g/tIntercept: 62 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00299
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.57
- Grade Unit
- g/t
- Intercept
- 62 m
- From
- 422 m
- To
- 483 m
- Hole Depth
- 568.5 m
- Intercept Depth
- 422 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00299:422-483
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612465
- Northing
- 9346176
- Elevation
- 321 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.03
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.57”
Context: 62
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00299Furnas · copperGrade: 0.92Grade Unit: %Intercept: 16 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00299
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.92
- Grade Unit
- %
- Intercept
- 16 m
- From
- 444 m
- To
- 460 m
- Hole Depth
- 568.5 m
- Intercept Depth
- 422 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00299:444-460
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612465
- Northing
- 9346176
- Elevation
- 321 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.42
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.92”
Context: 16
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00299Furnas · goldGrade: 1.05Grade Unit: g/tIntercept: 16 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00299
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.05
- Grade Unit
- g/t
- Intercept
- 16 m
- From
- 444 m
- To
- 460 m
- Hole Depth
- 568.5 m
- Intercept Depth
- 422 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00299:444-460
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612465
- Northing
- 9346176
- Elevation
- 321 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.42
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept.
Positive factors
- Strong gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.05”
Context: 16
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00302Furnas · copperGrade: 0.74Grade Unit: %Intercept: 51 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00302
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.74
- Grade Unit
- %
- Intercept
- 51 m
- From
- 315 m
- To
- 366 m
- Hole Depth
- 426.2 m
- Intercept Depth
- 315 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00302:315-366
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612290
- Northing
- 9346132
- Elevation
- 367 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.92
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.74”
Context: 51
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00302Furnas · goldGrade: 0.38Grade Unit: g/tIntercept: 51 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00302
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.38
- Grade Unit
- g/t
- Intercept
- 51 m
- From
- 315 m
- To
- 366 m
- Hole Depth
- 426.2 m
- Intercept Depth
- 315 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00302:315-366
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612290
- Northing
- 9346132
- Elevation
- 367 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.92
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.38”
Context: 51
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00302Furnas · copperGrade: 0.97Grade Unit: %Intercept: 27 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00302
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.97
- Grade Unit
- %
- Intercept
- 27 m
- From
- 334 m
- To
- 361 m
- Hole Depth
- 426.2 m
- Intercept Depth
- 315 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00302:334-361
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612290
- Northing
- 9346132
- Elevation
- 367 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.17
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.97”
Context: 27
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00302Furnas · goldGrade: 0.42Grade Unit: g/tIntercept: 27 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00302
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.42
- Grade Unit
- g/t
- Intercept
- 27 m
- From
- 334 m
- To
- 361 m
- Hole Depth
- 426.2 m
- Intercept Depth
- 315 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00302:334-361
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612290
- Northing
- 9346132
- Elevation
- 367 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.17
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.42”
Context: 27
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00303Furnas · copperGrade: 1.31Grade Unit: %Intercept: 46 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00303
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.31
- Grade Unit
- %
- Intercept
- 46 m
- From
- 243 m
- To
- 289 m
- Hole Depth
- 400.4 m
- Intercept Depth
- 243 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00303:243-289
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612017
- Northing
- 9346258
- Elevation
- 414 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.52
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows an exceptional copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.31”
Context: 46
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00303Furnas · goldGrade: 0.44Grade Unit: g/tIntercept: 46 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00303
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.44
- Grade Unit
- g/t
- Intercept
- 46 m
- From
- 243 m
- To
- 289 m
- Hole Depth
- 400.4 m
- Intercept Depth
- 243 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00303:243-289
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612017
- Northing
- 9346258
- Elevation
- 414 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.52
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.44”
Context: 46
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00303Furnas · copperGrade: 1.67Grade Unit: %Intercept: 29 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00303
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.67
- Grade Unit
- %
- Intercept
- 29 m
- From
- 260 m
- To
- 289 m
- Hole Depth
- 400.4 m
- Intercept Depth
- 243 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00303:260-289
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612017
- Northing
- 9346258
- Elevation
- 414 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.91
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.67”
Context: 29
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00303Furnas · goldGrade: 0.5Grade Unit: g/tIntercept: 29 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00303
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 29 m
- From
- 260 m
- To
- 289 m
- Hole Depth
- 400.4 m
- Intercept Depth
- 243 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00303:260-289
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612017
- Northing
- 9346258
- Elevation
- 414 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.91
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.50”
Context: 29
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00304Furnas · copperGrade: 0.95Grade Unit: %Intercept: 74 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00304
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.95
- Grade Unit
- %
- Intercept
- 74 m
- From
- 370 m
- To
- 444 m
- Hole Depth
- 501 m
- Intercept Depth
- 370 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00304:370-444
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612139
- Northing
- 9346428
- Elevation
- 345 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.45
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a significant width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.95”
Context: 74
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00304Furnas · goldGrade: 1.04Grade Unit: g/tIntercept: 74 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00304
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.04
- Grade Unit
- g/t
- Intercept
- 74 m
- From
- 370 m
- To
- 444 m
- Hole Depth
- 501 m
- Intercept Depth
- 370 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00304:370-444
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612139
- Northing
- 9346428
- Elevation
- 345 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.45
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong gold grade over a significant width, adding to the polymetallic nature of the deposit.
Positive factors
- Strong gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.04”
Context: 74
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00304Furnas · copperGrade: 1Grade Unit: %Intercept: 50 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00304
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1
- Grade Unit
- %
- Intercept
- 50 m
- From
- 391 m
- To
- 441 m
- Hole Depth
- 501 m
- Intercept Depth
- 370 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00304:391-441
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612139
- Northing
- 9346428
- Elevation
- 345 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.67
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.00”
Context: 50
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00304Furnas · goldGrade: 1.4Grade Unit: g/tIntercept: 50 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00304
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.4
- Grade Unit
- g/t
- Intercept
- 50 m
- From
- 391 m
- To
- 441 m
- Hole Depth
- 501 m
- Intercept Depth
- 370 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00304:391-441
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612139
- Northing
- 9346428
- Elevation
- 345 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.67
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept.
Positive factors
- Strong gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.40”
Context: 50
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00305Furnas · copperGrade: 0.88Grade Unit: %Intercept: 103 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00305
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.88
- Grade Unit
- %
- Intercept
- 103 m
- From
- 352 m
- To
- 455 m
- Hole Depth
- 651.8 m
- Intercept Depth
- 352 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00305:352-455
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612193
- Northing
- 9346401
- Elevation
- 337 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.26
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows strong copper mineralization over a significant width, demonstrating continuity and supporting resource conversion, which is highly positive.
Positive factors
- Strong copper grade for IOCG deposit
- Significant intercept length
- Demonstrates continuity of known mineralization
- Supports resource conversion
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.88”
Context: 103
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00305Furnas · goldGrade: 0.8Grade Unit: g/tIntercept: 103 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00305
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.8
- Grade Unit
- g/t
- Intercept
- 103 m
- From
- 352 m
- To
- 455 m
- Hole Depth
- 651.8 m
- Intercept Depth
- 352 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00305:352-455
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612193
- Northing
- 9346401
- Elevation
- 337 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.26
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows strong gold mineralization over a significant width, demonstrating continuity and supporting resource conversion, which is highly positive.
Positive factors
- Strong gold grade for IOCG deposit
- Significant intercept length
- Demonstrates continuity of known mineralization
- Supports resource conversion
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.80”
Context: 103
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00305Furnas · copperGrade: 1.04Grade Unit: %Intercept: 27 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00305
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.04
- Grade Unit
- %
- Intercept
- 27 m
- From
- 408 m
- To
- 435 m
- Hole Depth
- 651.8 m
- Intercept Depth
- 352 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00305:408-435
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612193
- Northing
- 9346401
- Elevation
- 337 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept, further supporting resource conversion.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Demonstrates continuity of known mineralization
- Supports resource conversion
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.04”
Context: 27
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00305Furnas · goldGrade: 1.18Grade Unit: g/tIntercept: 27 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00305
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.18
- Grade Unit
- g/t
- Intercept
- 27 m
- From
- 408 m
- To
- 435 m
- Hole Depth
- 651.8 m
- Intercept Depth
- 352 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00305:408-435
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612193
- Northing
- 9346401
- Elevation
- 337 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept and supporting resource conversion.
Positive factors
- Strong gold grade for IOCG deposit
- Good intercept length for sub-interval
- Demonstrates continuity of known mineralization
- Supports resource conversion
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.18”
Context: 27
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00307Furnas · copperGrade: 0.69Grade Unit: %Intercept: 20 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00307
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.69
- Grade Unit
- %
- Intercept
- 20 m
- From
- 290 m
- To
- 310 m
- Hole Depth
- 497.7 m
- Intercept Depth
- 290 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00307:290-310
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612226
- Northing
- 9346267
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.79
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good copper mineralization over a good width, contributing to the overall resource potential.
Positive factors
- Good copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.69”
Context: 20
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00307Furnas · goldGrade: 0.2Grade Unit: g/tIntercept: 20 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00307
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.2
- Grade Unit
- g/t
- Intercept
- 20 m
- From
- 290 m
- To
- 310 m
- Hole Depth
- 497.7 m
- Intercept Depth
- 290 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00307:290-310
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612226
- Northing
- 9346267
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.79
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows moderate gold mineralization over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Moderate gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.20”
Context: 20
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00307Furnas · copperGrade: 0.63Grade Unit: %Intercept: 52 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00307
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- %
- Intercept
- 52 m
- From
- 355 m
- To
- 407 m
- Hole Depth
- 497.7 m
- Intercept Depth
- 290 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00307:355-407
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612226
- Northing
- 9346267
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.8
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good copper mineralization over a good width, contributing to the overall resource potential.
Positive factors
- Good copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.63”
Context: 52
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00307Furnas · goldGrade: 0.35Grade Unit: g/tIntercept: 52 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00307
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.35
- Grade Unit
- g/t
- Intercept
- 52 m
- From
- 355 m
- To
- 407 m
- Hole Depth
- 497.7 m
- Intercept Depth
- 290 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00307:355-407
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612226
- Northing
- 9346267
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.8
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good gold mineralization over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.35”
Context: 52
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00309Furnas · copperGrade: 1.28Grade Unit: %Intercept: 56 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00309
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.28
- Grade Unit
- %
- Intercept
- 56 m
- From
- 91 m
- To
- 147 m
- Hole Depth
- 305.2 m
- Intercept Depth
- 91 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00309:91-147
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612029
- Northing
- 9346106
- Elevation
- 417 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.39
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows an exceptional copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.28”
Context: 56
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00309Furnas · goldGrade: 0.24Grade Unit: g/tIntercept: 56 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00309
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.24
- Grade Unit
- g/t
- Intercept
- 56 m
- From
- 91 m
- To
- 147 m
- Hole Depth
- 305.2 m
- Intercept Depth
- 91 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00309:91-147
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612029
- Northing
- 9346106
- Elevation
- 417 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.39
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows moderate gold mineralization over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Moderate gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.24”
Context: 56
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00309Furnas · copperGrade: 1.86Grade Unit: %Intercept: 23 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00309
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.86
- Grade Unit
- %
- Intercept
- 23 m
- From
- 116 m
- To
- 139 m
- Hole Depth
- 305.2 m
- Intercept Depth
- 91 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00309:116-139
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612029
- Northing
- 9346106
- Elevation
- 417 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 2.01
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.86”
Context: 23
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00309Furnas · goldGrade: 0.31Grade Unit: g/tIntercept: 23 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00309
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.31
- Grade Unit
- g/t
- Intercept
- 23 m
- From
- 116 m
- To
- 139 m
- Hole Depth
- 305.2 m
- Intercept Depth
- 91 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00309:116-139
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612029
- Northing
- 9346106
- Elevation
- 417 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 2.01
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.31”
Context: 23
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00310Furnas · copperGrade: 0.8Grade Unit: %Intercept: 29 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00310
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.8
- Grade Unit
- %
- Intercept
- 29 m
- From
- 121 m
- To
- 150 m
- Hole Depth
- 214.7 m
- Intercept Depth
- 121 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00310:121-150
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612213
- Northing
- 9345972
- Elevation
- 407 m
- Azimuth
- 200 °
- Dip
- 55 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.97
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.80”
Context: 29
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00310Furnas · goldGrade: 0.36Grade Unit: g/tIntercept: 29 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00310
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.36
- Grade Unit
- g/t
- Intercept
- 29 m
- From
- 121 m
- To
- 150 m
- Hole Depth
- 214.7 m
- Intercept Depth
- 121 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00310:121-150
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612213
- Northing
- 9345972
- Elevation
- 407 m
- Azimuth
- 200 °
- Dip
- 55 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.97
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.36”
Context: 29
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00311Furnas · copperGrade: 0.74Grade Unit: %Intercept: 63 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00311
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.74
- Grade Unit
- %
- Intercept
- 63 m
- From
- 356 m
- To
- 419 m
- Hole Depth
- 464 m
- Intercept Depth
- 356 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00311:356-419
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612324
- Northing
- 9346226
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 55 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.95
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.74”
Context: 63
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00311Furnas · goldGrade: 0.45Grade Unit: g/tIntercept: 63 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00311
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.45
- Grade Unit
- g/t
- Intercept
- 63 m
- From
- 356 m
- To
- 419 m
- Hole Depth
- 464 m
- Intercept Depth
- 356 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00311:356-419
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612324
- Northing
- 9346226
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 55 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.95
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.45”
Context: 63
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00311Furnas · copperGrade: 0.88Grade Unit: %Intercept: 28 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00311
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.88
- Grade Unit
- %
- Intercept
- 28 m
- From
- 361 m
- To
- 389 m
- Hole Depth
- 464 m
- Intercept Depth
- 356 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00311:361-389
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612324
- Northing
- 9346226
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 55 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.13
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.88”
Context: 28
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00311Furnas · goldGrade: 0.53Grade Unit: g/tIntercept: 28 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00311
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.53
- Grade Unit
- g/t
- Intercept
- 28 m
- From
- 361 m
- To
- 389 m
- Hole Depth
- 464 m
- Intercept Depth
- 356 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00311:361-389
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612324
- Northing
- 9346226
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 55 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.13
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.53”
Context: 28
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00313Furnas · copperGrade: 0.61Grade Unit: %Intercept: 85 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00313
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.61
- Grade Unit
- %
- Intercept
- 85 m
- From
- 279 m
- To
- 364 m
- Hole Depth
- 415.5 m
- Intercept Depth
- 279 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00313:279-364
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612226
- Northing
- 9346267
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 50 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.8
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good copper mineralization over a substantial width, contributing to the overall resource potential.
Positive factors
- Good copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.61”
Context: 85
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00313Furnas · goldGrade: 0.4Grade Unit: g/tIntercept: 85 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00313
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.4
- Grade Unit
- g/t
- Intercept
- 85 m
- From
- 279 m
- To
- 364 m
- Hole Depth
- 415.5 m
- Intercept Depth
- 279 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00313:279-364
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612226
- Northing
- 9346267
- Elevation
- 333 m
- Azimuth
- 200 °
- Dip
- 50 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.8
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good gold mineralization over a substantial width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.40”
Context: 85
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00314Furnas · copperGrade: 0.72Grade Unit: %Intercept: 54 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00314
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.72
- Grade Unit
- %
- Intercept
- 54 m
- From
- 113 m
- To
- 167 m
- Hole Depth
- 254.5 m
- Intercept Depth
- 113 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00314:113-167
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611886
- Northing
- 9346193
- Elevation
- 461 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.92
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.72”
Context: 54
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00314Furnas · goldGrade: 0.42Grade Unit: g/tIntercept: 54 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00314
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.42
- Grade Unit
- g/t
- Intercept
- 54 m
- From
- 113 m
- To
- 167 m
- Hole Depth
- 254.5 m
- Intercept Depth
- 113 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00314:113-167
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611886
- Northing
- 9346193
- Elevation
- 461 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.92
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.42”
Context: 54
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00314Furnas · copperGrade: 1.22Grade Unit: %Intercept: 18 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00314
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.22
- Grade Unit
- %
- Intercept
- 18 m
- From
- 149 m
- To
- 167 m
- Hole Depth
- 254.5 m
- Intercept Depth
- 113 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00314:149-167
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611886
- Northing
- 9346193
- Elevation
- 461 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.22”
Context: 18
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00314Furnas · goldGrade: 0.79Grade Unit: g/tIntercept: 18 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00314
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.79
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 149 m
- To
- 167 m
- Hole Depth
- 254.5 m
- Intercept Depth
- 113 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00314:149-167
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 611886
- Northing
- 9346193
- Elevation
- 461 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept.
Positive factors
- Strong gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.79”
Context: 18
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00316Furnas · copperGrade: 0.67Grade Unit: %Intercept: 100 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00316
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.67
- Grade Unit
- %
- Intercept
- 100 m
- From
- 492 m
- To
- 592 m
- Hole Depth
- 646 m
- Intercept Depth
- 492 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00316:492-592
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612269
- Northing
- 9346512
- Elevation
- 322 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.84
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good copper mineralization over a substantial width, contributing to the overall resource potential.
Positive factors
- Good copper grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.67”
Context: 100
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00316Furnas · goldGrade: 0.36Grade Unit: g/tIntercept: 100 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00316
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.36
- Grade Unit
- g/t
- Intercept
- 100 m
- From
- 492 m
- To
- 592 m
- Hole Depth
- 646 m
- Intercept Depth
- 492 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00316:492-592
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612269
- Northing
- 9346512
- Elevation
- 322 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.84
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows good gold mineralization over a substantial width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Significant intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.36”
Context: 100
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00316Furnas · copperGrade: 0.74Grade Unit: %Intercept: 38 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00316
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.74
- Grade Unit
- %
- Intercept
- 38 m
- From
- 540 m
- To
- 578 m
- Hole Depth
- 646 m
- Intercept Depth
- 492 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00316:540-578
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612269
- Northing
- 9346512
- Elevation
- 322 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.06
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.74”
Context: 38
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00316Furnas · goldGrade: 0.67Grade Unit: g/tIntercept: 38 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00316
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.67
- Grade Unit
- g/t
- Intercept
- 38 m
- From
- 540 m
- To
- 578 m
- Hole Depth
- 646 m
- Intercept Depth
- 492 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00316:540-578
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612269
- Northing
- 9346512
- Elevation
- 322 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.06
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.67”
Context: 38
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00318Furnas · copperGrade: 1.23Grade Unit: %Intercept: 46 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00318
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.23
- Grade Unit
- %
- Intercept
- 46 m
- From
- 150 m
- To
- 196 m
- Hole Depth
- 253.6 m
- Intercept Depth
- 150 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00318:150-196
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612251
- Northing
- 9345973
- Elevation
- 394 m
- Azimuth
- 200 °
- Dip
- 55 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.48
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows an exceptional copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.23”
Context: 46
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00318Furnas · goldGrade: 0.52Grade Unit: g/tIntercept: 46 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00318
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.52
- Grade Unit
- g/t
- Intercept
- 46 m
- From
- 150 m
- To
- 196 m
- Hole Depth
- 253.6 m
- Intercept Depth
- 150 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00318:150-196
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612251
- Northing
- 9345973
- Elevation
- 394 m
- Azimuth
- 200 °
- Dip
- 55 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.48
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.52”
Context: 46
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00319Furnas · copperGrade: 1.65Grade Unit: %Intercept: 33 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00319
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.65
- Grade Unit
- %
- Intercept
- 33 m
- From
- 125 m
- To
- 158 m
- Hole Depth
- 236.7 m
- Intercept Depth
- 125 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00319:125-158
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612058
- Northing
- 9346067
- Elevation
- 407 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.83
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows an exceptional copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.65”
Context: 33
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00319Furnas · goldGrade: 0.38Grade Unit: g/tIntercept: 33 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00319
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.38
- Grade Unit
- g/t
- Intercept
- 33 m
- From
- 125 m
- To
- 158 m
- Hole Depth
- 236.7 m
- Intercept Depth
- 125 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00319:125-158
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612058
- Northing
- 9346067
- Elevation
- 407 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.83
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.38”
Context: 33
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00322Furnas · copperGrade: 0.76Grade Unit: %Intercept: 115 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00322
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.76
- Grade Unit
- %
- Intercept
- 115 m
- From
- 647 m
- To
- 761 m
- Hole Depth
- 508.8 m
- Intercept Depth
- 647 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00322:647-761
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612182
- Northing
- 9346923
- Elevation
- 277 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.98
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept represents the deepest hole drilled to date, significantly extending mineralization down-dip with strong copper grades over an exceptional length, indicating high novelty and materiality.
Positive factors
- Deepest hole to date
- Extends mineralization significantly down-dip
- Strong copper grade for IOCG deposit
- Exceptional intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.76”
Context: 115
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00322Furnas · goldGrade: 0.47Grade Unit: g/tIntercept: 115 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00322
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.47
- Grade Unit
- g/t
- Intercept
- 115 m
- From
- 647 m
- To
- 761 m
- Hole Depth
- 508.8 m
- Intercept Depth
- 647 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00322:647-761
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612182
- Northing
- 9346923
- Elevation
- 277 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.98
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept represents the deepest hole drilled to date, significantly extending mineralization down-dip with good gold grades over an exceptional length, indicating high novelty and materiality.
Positive factors
- Deepest hole to date
- Extends mineralization significantly down-dip
- Good gold grade for IOCG deposit
- Exceptional intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.47”
Context: 115
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00322Furnas · copperGrade: 0.81Grade Unit: %Intercept: 46 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00322
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.81
- Grade Unit
- %
- Intercept
- 46 m
- From
- 661 m
- To
- 707 m
- Hole Depth
- 508.8 m
- Intercept Depth
- 647 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00322:661-707
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612182
- Northing
- 9346923
- Elevation
- 277 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade over a good width within the deepest hole, indicating high novelty and materiality.
Positive factors
- Deepest hole to date
- Extends mineralization significantly down-dip
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.81”
Context: 46
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00322Furnas · goldGrade: 0.56Grade Unit: g/tIntercept: 46 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00322
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.56
- Grade Unit
- g/t
- Intercept
- 46 m
- From
- 661 m
- To
- 707 m
- Hole Depth
- 508.8 m
- Intercept Depth
- 647 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00322:661-707
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612182
- Northing
- 9346923
- Elevation
- 277 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade over a good width within the deepest hole, indicating high novelty and materiality.
Positive factors
- Deepest hole to date
- Extends mineralization significantly down-dip
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.56”
Context: 46
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00322Furnas · copperGrade: 0.91Grade Unit: %Intercept: 28 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00322
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.91
- Grade Unit
- %
- Intercept
- 28 m
- From
- 733 m
- To
- 761 m
- Hole Depth
- 508.8 m
- Intercept Depth
- 647 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00322:733-761
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612182
- Northing
- 9346923
- Elevation
- 277 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.25
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong copper grade over a good width within the deepest hole, indicating high novelty and materiality.
Positive factors
- Deepest hole to date
- Extends mineralization significantly down-dip
- Strong copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.91”
Context: 28
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00322Furnas · goldGrade: 0.71Grade Unit: g/tIntercept: 28 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00322
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.71
- Grade Unit
- g/t
- Intercept
- 28 m
- From
- 733 m
- To
- 761 m
- Hole Depth
- 508.8 m
- Intercept Depth
- 647 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00322:733-761
- Mining Method
- open_pit
Location
- Location
- Southeast Zone
- Easting
- 612182
- Northing
- 9346923
- Elevation
- 277 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.25
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a good gold grade over a good width within the deepest hole, indicating high novelty and materiality.
Positive factors
- Deepest hole to date
- Extends mineralization significantly down-dip
- Good gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.71”
Context: 28
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00323Furnas · copperGrade: 0.91Grade Unit: %Intercept: 62 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00323
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.91
- Grade Unit
- %
- Intercept
- 62 m
- From
- 167 m
- To
- 229 m
- Hole Depth
- 321.7 m
- Intercept Depth
- 167 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00323:167-229
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612164
- Northing
- 9346052
- Elevation
- 402 m
- Azimuth
- 200 °
- Dip
- 65 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.16
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.91”
Context: 62
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00323Furnas · goldGrade: 0.52Grade Unit: g/tIntercept: 62 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00323
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.52
- Grade Unit
- g/t
- Intercept
- 62 m
- From
- 167 m
- To
- 229 m
- Hole Depth
- 321.7 m
- Intercept Depth
- 167 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00323:167-229
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612164
- Northing
- 9346052
- Elevation
- 402 m
- Azimuth
- 200 °
- Dip
- 65 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.16
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.52”
Context: 62
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00324Furnas · copperGrade: 0.8Grade Unit: %Intercept: 62 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00324
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.8
- Grade Unit
- %
- Intercept
- 62 m
- From
- 323 m
- To
- 385 m
- Hole Depth
- 453.3 m
- Intercept Depth
- 323 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00324:323-385
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612596
- Northing
- 9345958
- Elevation
- 322 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.08
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.80”
Context: 62
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00324Furnas · goldGrade: 0.59Grade Unit: g/tIntercept: 62 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00324
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.59
- Grade Unit
- g/t
- Intercept
- 62 m
- From
- 323 m
- To
- 385 m
- Hole Depth
- 453.3 m
- Intercept Depth
- 323 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00324:323-385
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612596
- Northing
- 9345958
- Elevation
- 322 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.08
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.59”
Context: 62
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00324Furnas · copperGrade: 1.14Grade Unit: %Intercept: 16 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00324
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.14
- Grade Unit
- %
- Intercept
- 16 m
- From
- 323 m
- To
- 339 m
- Hole Depth
- 453.3 m
- Intercept Depth
- 323 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00324:323-339
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612596
- Northing
- 9345958
- Elevation
- 322 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.58
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept.
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“1.14”
Context: 16
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00324Furnas · goldGrade: 0.92Grade Unit: g/tIntercept: 16 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00324
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.92
- Grade Unit
- g/t
- Intercept
- 16 m
- From
- 323 m
- To
- 339 m
- Hole Depth
- 453.3 m
- Intercept Depth
- 323 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00324:323-339
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612596
- Northing
- 9345958
- Elevation
- 322 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.58
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept.
Positive factors
- Strong gold grade for IOCG deposit
- Good intercept length for sub-interval
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.92”
Context: 16
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00325Furnas · copperGrade: 0.72Grade Unit: %Intercept: 65 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00325
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.72
- Grade Unit
- %
- Intercept
- 65 m
- From
- 457 m
- To
- 522 m
- Hole Depth
- 570.5 m
- Intercept Depth
- 457 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00325:457-522
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612406
- Northing
- 9346274
- Elevation
- 321 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.93
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential.
Positive factors
- Strong copper grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.72”
Context: 65
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00325Furnas · goldGrade: 0.43Grade Unit: g/tIntercept: 65 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00325
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.43
- Grade Unit
- g/t
- Intercept
- 65 m
- From
- 457 m
- To
- 522 m
- Hole Depth
- 570.5 m
- Intercept Depth
- 457 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00325:457-522
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612406
- Northing
- 9346274
- Elevation
- 321 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.93
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit.
Positive factors
- Good gold grade for IOCG deposit
- Good intercept length
- Metal equivalent assumptions disclosed
Negative factors
- Apparent Width Only
Evidence · table
“0.43”
Context: 65
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
FURN-DD-00325Furnas · copperGrade: 1.13Grade Unit: %Intercept: 10 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00325
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.13
- Grade Unit
- %
- Intercept
- 10 m
- From
- 459 m
- To
- 469 m
- Hole Depth
- 570.5 m
- Intercept Depth
- 457 m
Classification
- Deposit Type
- iocg
- Program
- mixed
- Sample Type
- drill
- Group ID
- FURN-DD-00325:459-469
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Easting
- 612406
- Northing
- 9346274
- Elevation
- 321 m
- Azimuth
- 200 °
- Dip
- 60 °
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.48
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Positive factors
- Exceptional copper grade for IOCG deposit
- Good intercept length for sub-interval
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "mixed"
inclFurnas · copperGrade: 0.85Grade Unit: %Intercept: 32 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.85
- Grade Unit
- %
- Intercept
- 32 m
- From
- 491 m
- To
- 523 m
- Intercept Depth
- 491 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:491-523
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.85 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 27.2 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.85 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.85”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.54Grade Unit: g/tIntercept: 32 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.54
- Grade Unit
- g/t
- Intercept
- 32 m
- From
- 491 m
- To
- 523 m
- Intercept Depth
- 491 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:491-523
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.54 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 17.3 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.54”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.81Grade Unit: %Intercept: 20 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.81
- Grade Unit
- %
- Intercept
- 20 m
- From
- 519 m
- To
- 539 m
- Intercept Depth
- 519 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:519-539
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.81 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 16.2 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.81 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.81”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.62Grade Unit: g/tIntercept: 20 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.62
- Grade Unit
- g/t
- Intercept
- 20 m
- From
- 519 m
- To
- 539 m
- Intercept Depth
- 519 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:519-539
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.62 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 12.4 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.62”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.51Grade Unit: %Intercept: 18 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.51
- Grade Unit
- %
- Intercept
- 18 m
- From
- 429 m
- To
- 447 m
- Intercept Depth
- 429 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:429-447
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.73
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.51 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 27.2 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.51 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.51”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.46Grade Unit: g/tIntercept: 18 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.46
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 429 m
- To
- 447 m
- Intercept Depth
- 429 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:429-447
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.73
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.46 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 8.3 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.46”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.33Grade Unit: %Intercept: 23 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.33
- Grade Unit
- %
- Intercept
- 23 m
- From
- 489 m
- To
- 512 m
- Intercept Depth
- 489 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:489-512
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.67
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.33 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 30.6 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.33 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.33”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.71Grade Unit: g/tIntercept: 23 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.71
- Grade Unit
- g/t
- Intercept
- 23 m
- From
- 489 m
- To
- 512 m
- Intercept Depth
- 489 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:489-512
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.67
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.71 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 16.3 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.71”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.93Grade Unit: %Intercept: 17 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.93
- Grade Unit
- %
- Intercept
- 17 m
- From
- 174 m
- To
- 190 m
- Intercept Depth
- 174 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:174-190
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.1
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.93 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 15.8 %·m is below (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.93 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.93”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.35Grade Unit: g/tIntercept: 17 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.35
- Grade Unit
- g/t
- Intercept
- 17 m
- From
- 174 m
- To
- 190 m
- Intercept Depth
- 174 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:174-190
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.1
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.35 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 5.9 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.35”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.75Grade Unit: %Intercept: 19 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.75
- Grade Unit
- %
- Intercept
- 19 m
- From
- 252 m
- To
- 271 m
- Intercept Depth
- 252 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:252-271
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.94
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.75 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 14.3 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.75 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.75”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.39Grade Unit: g/tIntercept: 19 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.39
- Grade Unit
- g/t
- Intercept
- 19 m
- From
- 252 m
- To
- 271 m
- Intercept Depth
- 252 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:252-271
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.94
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.39 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 7.4 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.39”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.59Grade Unit: %Intercept: 36 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.59
- Grade Unit
- %
- Intercept
- 36 m
- From
- 212 m
- To
- 248 m
- Intercept Depth
- 212 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:212-248
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.91
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.59 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 21.2 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.59 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.59”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.68Grade Unit: g/tIntercept: 36 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.68
- Grade Unit
- g/t
- Intercept
- 36 m
- From
- 212 m
- To
- 248 m
- Intercept Depth
- 212 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:212-248
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.91
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.68 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 24.5 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.68”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.63Grade Unit: %Intercept: 13 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- %
- Intercept
- 13 m
- From
- 235 m
- To
- 248 m
- Intercept Depth
- 235 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:235-248
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.08
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 8.2 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.63 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.63”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.95Grade Unit: g/tIntercept: 13 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.95
- Grade Unit
- g/t
- Intercept
- 13 m
- From
- 235 m
- To
- 248 m
- Intercept Depth
- 235 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:235-248
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.08
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.95 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 12.3 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.95”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.63Grade Unit: %Intercept: 47 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- %
- Intercept
- 47 m
- From
- 570 m
- To
- 617 m
- Intercept Depth
- 570 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:570-617
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.85
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 29.6 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.63 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.63”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.46Grade Unit: g/tIntercept: 47 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.46
- Grade Unit
- g/t
- Intercept
- 47 m
- From
- 570 m
- To
- 617 m
- Intercept Depth
- 570 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:570-617
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.85
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.46 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 21.6 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.46”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.89Grade Unit: %Intercept: 18 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.89
- Grade Unit
- %
- Intercept
- 18 m
- From
- 182 m
- To
- 200 m
- Intercept Depth
- 182 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:182-200
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.89 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 16.0 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.89 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.89”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.23Grade Unit: g/tIntercept: 18 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.23
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 182 m
- To
- 200 m
- Intercept Depth
- 182 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:182-200
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.23 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 4.1 g/t·m is below.
Negative factors
- 0.23 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.23”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.04Grade Unit: %Intercept: 47 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.04
- Grade Unit
- %
- Intercept
- 47 m
- From
- 297 m
- To
- 344 m
- Intercept Depth
- 297 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:297-344
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.18
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.04 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 48.9 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.04 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.04”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.3Grade Unit: g/tIntercept: 47 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 47 m
- From
- 297 m
- To
- 344 m
- Intercept Depth
- 297 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:297-344
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.18
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.3 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 14.1 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.30”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.1Grade Unit: %Intercept: 30 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.1
- Grade Unit
- %
- Intercept
- 30 m
- From
- 359 m
- To
- 389 m
- Intercept Depth
- 359 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:359-389
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.81
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.1 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 33.0 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.1 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.10”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 1.48Grade Unit: g/tIntercept: 30 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.48
- Grade Unit
- g/t
- Intercept
- 30 m
- From
- 359 m
- To
- 389 m
- Intercept Depth
- 359 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:359-389
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.81
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.48 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 44.4 g/t·m is moderate.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.48”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.34Grade Unit: %Intercept: 26 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.34
- Grade Unit
- %
- Intercept
- 26 m
- From
- 353 m
- To
- 379 m
- Intercept Depth
- 353 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:353-379
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.64
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.34 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 34.8 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.34 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.34”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.63Grade Unit: g/tIntercept: 26 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- g/t
- Intercept
- 26 m
- From
- 353 m
- To
- 379 m
- Intercept Depth
- 353 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:353-379
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.64
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.63 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 16.4 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.63”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.99Grade Unit: %Intercept: 22 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.99
- Grade Unit
- %
- Intercept
- 22 m
- From
- 399 m
- To
- 421 m
- Intercept Depth
- 399 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:399-421
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.46
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.99 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 21.8 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.99 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.99”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.98Grade Unit: g/tIntercept: 22 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.98
- Grade Unit
- g/t
- Intercept
- 22 m
- From
- 399 m
- To
- 421 m
- Intercept Depth
- 399 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:399-421
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.46
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.98 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 21.6 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.98”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.92Grade Unit: %Intercept: 16 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.92
- Grade Unit
- %
- Intercept
- 16 m
- From
- 444 m
- To
- 460 m
- Intercept Depth
- 444 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:444-460
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.42
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.92 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 14.7 %·m is below (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.92 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.92”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 1.05Grade Unit: g/tIntercept: 16 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.05
- Grade Unit
- g/t
- Intercept
- 16 m
- From
- 444 m
- To
- 460 m
- Intercept Depth
- 444 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:444-460
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.42
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.05 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 16.8 g/t·m is weak (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.05”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.97Grade Unit: %Intercept: 27 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.97
- Grade Unit
- %
- Intercept
- 27 m
- From
- 334 m
- To
- 361 m
- Intercept Depth
- 334 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:334-361
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.17
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.97 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 26.2 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.97 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.97”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.42Grade Unit: g/tIntercept: 27 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.42
- Grade Unit
- g/t
- Intercept
- 27 m
- From
- 334 m
- To
- 361 m
- Intercept Depth
- 334 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:334-361
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.17
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.42 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 11.3 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.42”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.67Grade Unit: %Intercept: 29 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.67
- Grade Unit
- %
- Intercept
- 29 m
- From
- 260 m
- To
- 289 m
- Intercept Depth
- 260 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:260-289
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.91
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.67 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 48.4 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.67 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.67”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.5Grade Unit: g/tIntercept: 29 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 29 m
- From
- 260 m
- To
- 289 m
- Intercept Depth
- 260 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:260-289
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.91
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.5 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 14.5 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.50”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1Grade Unit: %Intercept: 50 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1
- Grade Unit
- %
- Intercept
- 50 m
- From
- 391 m
- To
- 441 m
- Intercept Depth
- 391 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:391-441
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.67
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 50.0 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.00”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 1.4Grade Unit: g/tIntercept: 50 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.4
- Grade Unit
- g/t
- Intercept
- 50 m
- From
- 391 m
- To
- 441 m
- Intercept Depth
- 391 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:391-441
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.67
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.4 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 70.0 g/t·m is moderate.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.40”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.04Grade Unit: %Intercept: 27 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.04
- Grade Unit
- %
- Intercept
- 27 m
- From
- 408 m
- To
- 435 m
- Intercept Depth
- 408 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:408-435
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.04 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 28.1 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.04 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.04”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 1.18Grade Unit: g/tIntercept: 27 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.18
- Grade Unit
- g/t
- Intercept
- 27 m
- From
- 408 m
- To
- 435 m
- Intercept Depth
- 408 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:408-435
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.18 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 31.9 g/t·m is moderate.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.18”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.86Grade Unit: %Intercept: 23 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.86
- Grade Unit
- %
- Intercept
- 23 m
- From
- 116 m
- To
- 139 m
- Intercept Depth
- 116 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:116-139
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 2.01
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.86 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 42.8 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.86 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.86”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.31Grade Unit: g/tIntercept: 23 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.31
- Grade Unit
- g/t
- Intercept
- 23 m
- From
- 116 m
- To
- 139 m
- Intercept Depth
- 116 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:116-139
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 2.01
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.31 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 7.1 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.31”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.88Grade Unit: %Intercept: 28 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.88
- Grade Unit
- %
- Intercept
- 28 m
- From
- 361 m
- To
- 389 m
- Intercept Depth
- 361 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:361-389
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.13
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.88 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 24.6 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.88 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.88”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.53Grade Unit: g/tIntercept: 28 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.53
- Grade Unit
- g/t
- Intercept
- 28 m
- From
- 361 m
- To
- 389 m
- Intercept Depth
- 361 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:361-389
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.13
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.53 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 14.8 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.53”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.22Grade Unit: %Intercept: 18 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.22
- Grade Unit
- %
- Intercept
- 18 m
- From
- 149 m
- To
- 167 m
- Intercept Depth
- 149 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:149-167
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.22 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 22.0 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.22 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.22”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.79Grade Unit: g/tIntercept: 18 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.79
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 149 m
- To
- 167 m
- Intercept Depth
- 149 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:149-167
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.79 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 14.2 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.79”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.74Grade Unit: %Intercept: 38 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.74
- Grade Unit
- %
- Intercept
- 38 m
- From
- 540 m
- To
- 578 m
- Intercept Depth
- 540 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:540-578
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.06
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.74 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 28.1 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.74 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.74”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.67Grade Unit: g/tIntercept: 38 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.67
- Grade Unit
- g/t
- Intercept
- 38 m
- From
- 540 m
- To
- 578 m
- Intercept Depth
- 540 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:540-578
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.06
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.67 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 25.5 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.67”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.81Grade Unit: %Intercept: 46 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.81
- Grade Unit
- %
- Intercept
- 46 m
- From
- 661 m
- To
- 707 m
- Intercept Depth
- 661 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:661-707
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.81 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 37.3 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.81 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.81”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.56Grade Unit: g/tIntercept: 46 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.56
- Grade Unit
- g/t
- Intercept
- 46 m
- From
- 661 m
- To
- 707 m
- Intercept Depth
- 661 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:661-707
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.11
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.56 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 25.8 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.56”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.91Grade Unit: %Intercept: 28 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.91
- Grade Unit
- %
- Intercept
- 28 m
- From
- 733 m
- To
- 761 m
- Intercept Depth
- 733 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:733-761
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.25
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.91 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 25.5 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.91 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.91”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.71Grade Unit: g/tIntercept: 28 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.71
- Grade Unit
- g/t
- Intercept
- 28 m
- From
- 733 m
- To
- 761 m
- Intercept Depth
- 733 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:733-761
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.25
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.71 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 19.9 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.71”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.14Grade Unit: %Intercept: 16 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.14
- Grade Unit
- %
- Intercept
- 16 m
- From
- 323 m
- To
- 339 m
- Intercept Depth
- 323 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:323-339
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.58
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.14 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 18.2 %·m is below (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.14 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.14”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.92Grade Unit: g/tIntercept: 16 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.92
- Grade Unit
- g/t
- Intercept
- 16 m
- From
- 323 m
- To
- 339 m
- Intercept Depth
- 323 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:323-339
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.58
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.92 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 14.7 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.92”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.13Grade Unit: %Intercept: 10 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.13
- Grade Unit
- %
- Intercept
- 10 m
- From
- 459 m
- To
- 469 m
- Intercept Depth
- 459 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:459-469
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.48
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.13 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 11.3 %·m is below (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.13 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.13”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.73Grade Unit: g/tIntercept: 10 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.73
- Grade Unit
- g/t
- Intercept
- 10 m
- From
- 459 m
- To
- 469 m
- Intercept Depth
- 459 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:459-469
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.48
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.73 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 7.3 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.73”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00327Furnas · copperGrade: 0.68Grade Unit: %Intercept: 54 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00327
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.68
- Grade Unit
- %
- Intercept
- 54 m
- From
- 138 m
- To
- 192 m
- Intercept Depth
- 138 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00327:138-192
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.88
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.68 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 36.7 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.68 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.68”
Context: FURN-DD-00327
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00327Furnas · goldGrade: 0.42Grade Unit: g/tIntercept: 54 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00327
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.42
- Grade Unit
- g/t
- Intercept
- 54 m
- From
- 138 m
- To
- 192 m
- Intercept Depth
- 138 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00327:138-192
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.88
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.42 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 22.7 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.42”
Context: FURN-DD-00327
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.02Grade Unit: %Intercept: 25 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.02
- Grade Unit
- %
- Intercept
- 25 m
- From
- 150 m
- To
- 175 m
- Intercept Depth
- 150 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:150-175
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.27
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.02 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 25.5 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.02 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.02”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.53Grade Unit: g/tIntercept: 25 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.53
- Grade Unit
- g/t
- Intercept
- 25 m
- From
- 150 m
- To
- 175 m
- Intercept Depth
- 150 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:150-175
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.27
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.53 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 13.3 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.53”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00328Furnas · copperGrade: 0.7Grade Unit: %Intercept: 57 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00328
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.7
- Grade Unit
- %
- Intercept
- 57 m
- From
- 473 m
- To
- 530 m
- Intercept Depth
- 473 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00328:473-530
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.92
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.7 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 39.9 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.7 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.70”
Context: FURN-DD-00328
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00328Furnas · goldGrade: 0.47Grade Unit: g/tIntercept: 57 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00328
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.47
- Grade Unit
- g/t
- Intercept
- 57 m
- From
- 473 m
- To
- 530 m
- Intercept Depth
- 473 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00328:473-530
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.92
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.47 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 26.8 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.47”
Context: FURN-DD-00328
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.06Grade Unit: %Intercept: 8 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.06
- Grade Unit
- %
- Intercept
- 8 m
- From
- 473 m
- To
- 481 m
- Intercept Depth
- 473 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:473-481
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.4
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.06 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 8.5 %·m is below (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.06 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.06”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.72Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.72
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 473 m
- To
- 481 m
- Intercept Depth
- 473 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:473-481
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.4
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.72 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 5.8 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.72”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00330Furnas · copperGrade: 0.82Grade Unit: %Intercept: 44 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00330
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.82
- Grade Unit
- %
- Intercept
- 44 m
- From
- 421 m
- To
- 466 m
- Intercept Depth
- 421 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00330:421-466
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.06
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.82 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 36.1 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.82 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.82”
Context: FURN-DD-00330
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00330Furnas · goldGrade: 0.5Grade Unit: g/tIntercept: 44 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00330
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 44 m
- From
- 421 m
- To
- 466 m
- Intercept Depth
- 421 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00330:421-466
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.06
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.5 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 22.0 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.50”
Context: FURN-DD-00330
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.98Grade Unit: %Intercept: 30 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.98
- Grade Unit
- %
- Intercept
- 30 m
- From
- 421 m
- To
- 451 m
- Intercept Depth
- 421 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:421-451
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.24
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.98 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 29.4 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.98 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.98”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.54Grade Unit: g/tIntercept: 30 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.54
- Grade Unit
- g/t
- Intercept
- 30 m
- From
- 421 m
- To
- 451 m
- Intercept Depth
- 421 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:421-451
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.24
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.54 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 16.2 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.54”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00331Furnas · copperGrade: 0.61Grade Unit: %Intercept: 42 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00331
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.61
- Grade Unit
- %
- Intercept
- 42 m
- From
- 74 m
- To
- 115 m
- Intercept Depth
- 74 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00331:74-115
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.05
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.61 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 25.6 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.61 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.61”
Context: FURN-DD-00331
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00331Furnas · goldGrade: 0.92Grade Unit: g/tIntercept: 42 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00331
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.92
- Grade Unit
- g/t
- Intercept
- 42 m
- From
- 74 m
- To
- 115 m
- Intercept Depth
- 74 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00331:74-115
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.05
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.92 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 38.6 g/t·m is moderate (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.92”
Context: FURN-DD-00331
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.27Grade Unit: %Intercept: 8 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.27
- Grade Unit
- %
- Intercept
- 8 m
- From
- 94 m
- To
- 102 m
- Intercept Depth
- 94 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:94-102
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 2.11
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.27 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 10.2 %·m is below (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.27 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.27”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 1.77Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.77
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 94 m
- To
- 102 m
- Intercept Depth
- 94 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:94-102
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 2.11
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.77 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 14.2 g/t·m is weak (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.77”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00295Furnas · copperGrade: 0.88Grade Unit: %Intercept: 27 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00295
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.88
- Grade Unit
- %
- Intercept
- 27 m
- From
- 314 m
- To
- 341 m
- Intercept Depth
- 314 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00295:314-341
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.99
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.88 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 23.8 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.88 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.88”
Context: FURN-DD-00295
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00295Furnas · goldGrade: 0.23Grade Unit: g/tIntercept: 27 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00295
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.23
- Grade Unit
- g/t
- Intercept
- 27 m
- From
- 314 m
- To
- 341 m
- Intercept Depth
- 314 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00295:314-341
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.99
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.23 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 6.2 g/t·m is below.
Negative factors
- 0.23 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.23”
Context: FURN-DD-00295
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00295Furnas · copperGrade: 0.56Grade Unit: %Intercept: 33 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00295
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.56
- Grade Unit
- %
- Intercept
- 33 m
- From
- 389 m
- To
- 422 m
- Intercept Depth
- 389 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00295:389-422
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.99
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.56 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 18.5 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.56 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.56”
Context: FURN-DD-00295
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00295Furnas · goldGrade: 0.91Grade Unit: g/tIntercept: 33 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- FURN-DD-00295
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.91
- Grade Unit
- g/t
- Intercept
- 33 m
- From
- 389 m
- To
- 422 m
- Intercept Depth
- 389 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00295:389-422
- Mining Method
- open_pit
Location
- Location
- NORTHWEST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.99
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.91 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 30.0 g/t·m is moderate (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.91”
Context: FURN-DD-00295
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00300Furnas · copperGrade: 1.02Grade Unit: %Intercept: 80 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00300
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.02
- Grade Unit
- %
- Intercept
- 80 m
- From
- 290 m
- To
- 370 m
- Intercept Depth
- 290 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00300:290-370
- Mining Method
- open_pit
Location
- Location
- Northwest Zone
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.19
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.02 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 81.6 %·m is moderate (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.02 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.02”
Context: FURN-DD-00300
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00300Furnas · goldGrade: 0.36Grade Unit: g/tIntercept: 80 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00300
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.36
- Grade Unit
- g/t
- Intercept
- 80 m
- From
- 290 m
- To
- 370 m
- Intercept Depth
- 290 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00300:290-370
- Mining Method
- open_pit
Location
- Location
- Northwest Zone
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.19
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.36 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 28.8 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.36”
Context: FURN-DD-00300
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.67Grade Unit: %Intercept: 28 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.67
- Grade Unit
- %
- Intercept
- 28 m
- From
- 322 m
- To
- 350 m
- Intercept Depth
- 322 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:322-350
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.9
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.67 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 46.8 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.67 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.67”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.49Grade Unit: g/tIntercept: 28 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.49
- Grade Unit
- g/t
- Intercept
- 28 m
- From
- 322 m
- To
- 350 m
- Intercept Depth
- 322 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:322-350
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.9
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.49 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 13.7 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.49”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00301Furnas · copperGrade: 0.72Grade Unit: %Intercept: 65 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00301
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.72
- Grade Unit
- %
- Intercept
- 65 m
- From
- 425 m
- To
- 490 m
- Intercept Depth
- 425 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00301:425-490
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.93
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.72 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 46.8 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.72 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.72”
Context: FURN-DD-00301
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00301Furnas · goldGrade: 0.45Grade Unit: g/tIntercept: 65 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00301
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.45
- Grade Unit
- g/t
- Intercept
- 65 m
- From
- 425 m
- To
- 490 m
- Intercept Depth
- 425 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00301:425-490
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.93
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.45 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 29.3 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.45”
Context: FURN-DD-00301
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.98Grade Unit: %Intercept: 28 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.98
- Grade Unit
- %
- Intercept
- 28 m
- From
- 425 m
- To
- 453 m
- Intercept Depth
- 425 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:425-453
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.27
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.98 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 27.4 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.98 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.98”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.6Grade Unit: g/tIntercept: 28 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.6
- Grade Unit
- g/t
- Intercept
- 28 m
- From
- 425 m
- To
- 453 m
- Intercept Depth
- 425 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:425-453
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.27
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.6 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 16.8 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.60”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00306Furnas · copperGrade: 0.58Grade Unit: %Intercept: 75 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00306
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.58
- Grade Unit
- %
- Intercept
- 75 m
- From
- 169 m
- To
- 244 m
- Intercept Depth
- 169 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00306:169-244
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.65
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.58 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 43.5 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.58 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.58”
Context: FURN-DD-00306
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00306Furnas · goldGrade: 0.15Grade Unit: g/tIntercept: 75 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00306
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.15
- Grade Unit
- g/t
- Intercept
- 75 m
- From
- 169 m
- To
- 244 m
- Intercept Depth
- 169 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00306:169-244
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.65
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.15 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 11.3 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.15”
Context: FURN-DD-00306
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00306Furnas · copperGrade: 0.63Grade Unit: %Intercept: 28 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00306
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.63
- Grade Unit
- %
- Intercept
- 28 m
- From
- 317 m
- To
- 345 m
- Intercept Depth
- 317 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00306:317-345
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.91
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 17.6 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.63 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.63”
Context: FURN-DD-00306
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00306Furnas · goldGrade: 0.58Grade Unit: g/tIntercept: 28 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00306
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.58
- Grade Unit
- g/t
- Intercept
- 28 m
- From
- 317 m
- To
- 345 m
- Intercept Depth
- 317 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00306:317-345
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.91
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.58 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 16.2 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.58”
Context: FURN-DD-00306
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00308Furnas · copperGrade: 0.64Grade Unit: %Intercept: 93 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00308
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.64
- Grade Unit
- %
- Intercept
- 93 m
- From
- 130 m
- To
- 223 m
- Intercept Depth
- 130 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00308:130-223
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.02
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.64 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 59.5 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.64 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.64”
Context: FURN-DD-00308
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00308Furnas · goldGrade: 0.8Grade Unit: g/tIntercept: 93 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00308
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.8
- Grade Unit
- g/t
- Intercept
- 93 m
- From
- 130 m
- To
- 223 m
- Intercept Depth
- 130 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00308:130-223
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.02
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.8 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 74.4 g/t·m is moderate (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.80”
Context: FURN-DD-00308
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00312Furnas · copperGrade: 1.18Grade Unit: %Intercept: 64 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00312
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.18
- Grade Unit
- %
- Intercept
- 64 m
- From
- 207 m
- To
- 271 m
- Intercept Depth
- 207 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00312:207-271
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.56
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.18 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 75.5 %·m is moderate (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.18 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.18”
Context: FURN-DD-00312
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00312Furnas · goldGrade: 0.79Grade Unit: g/tIntercept: 64 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00312
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.79
- Grade Unit
- g/t
- Intercept
- 64 m
- From
- 207 m
- To
- 271 m
- Intercept Depth
- 207 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00312:207-271
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.56
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.79 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 50.6 g/t·m is moderate (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.79”
Context: FURN-DD-00312
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.39Grade Unit: %Intercept: 31 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.39
- Grade Unit
- %
- Intercept
- 31 m
- From
- 239 m
- To
- 270 m
- Intercept Depth
- 239 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:239-270
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.78
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.39 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 43.1 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.39 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.39”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.81Grade Unit: g/tIntercept: 31 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.81
- Grade Unit
- g/t
- Intercept
- 31 m
- From
- 239 m
- To
- 270 m
- Intercept Depth
- 239 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:239-270
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.78
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.81 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 25.1 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.81”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00315Furnas · copperGrade: 0.9Grade Unit: %Intercept: 47 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00315
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.9
- Grade Unit
- %
- Intercept
- 47 m
- From
- 150 m
- To
- 197 m
- Intercept Depth
- 150 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00315:150-197
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.21
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.9 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 42.3 %·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.9 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.90”
Context: FURN-DD-00315
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00315Furnas · goldGrade: 0.64Grade Unit: g/tIntercept: 47 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00315
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.64
- Grade Unit
- g/t
- Intercept
- 47 m
- From
- 150 m
- To
- 197 m
- Intercept Depth
- 150 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00315:150-197
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.21
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.64 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 30.1 g/t·m is moderate (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.64”
Context: FURN-DD-00315
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00320Furnas · copperGrade: 0.83Grade Unit: %Intercept: 40 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00320
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.83
- Grade Unit
- %
- Intercept
- 40 m
- From
- 194 m
- To
- 234 m
- Intercept Depth
- 194 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00320:194-234
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.19
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.83 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 33.2 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.83 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.83”
Context: FURN-DD-00320
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00320Furnas · goldGrade: 0.75Grade Unit: g/tIntercept: 40 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00320
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.75
- Grade Unit
- g/t
- Intercept
- 40 m
- From
- 194 m
- To
- 234 m
- Intercept Depth
- 194 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00320:194-234
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.19
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.75 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 30.0 g/t·m is moderate (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.75”
Context: FURN-DD-00320
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00321Furnas · copperGrade: 0.47Grade Unit: %Intercept: 115 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00321
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.47
- Grade Unit
- %
- Intercept
- 115 m
- From
- 490 m
- To
- 605 m
- Intercept Depth
- 490 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00321:490-605
- Mining Method
- open_pit
Location
- Location
- Northwest Zone
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.6
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.47 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 54.0 %·m is weak (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.47”
Context: FURN-DD-00321
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00321Furnas · goldGrade: 0.27Grade Unit: g/tIntercept: 115 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00321
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.27
- Grade Unit
- g/t
- Intercept
- 115 m
- From
- 490 m
- To
- 605 m
- Intercept Depth
- 490 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00321:490-605
- Mining Method
- open_pit
Location
- Location
- Northwest Zone
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.6
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.27 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 31.1 g/t·m is moderate (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.27”
Context: FURN-DD-00321
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 1.13Grade Unit: %Intercept: 8 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.13
- Grade Unit
- %
- Intercept
- 8 m
- From
- 564 m
- To
- 572 m
- Intercept Depth
- 564 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:564-572
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.36
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.13 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 9.0 %·m is below (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.13 % copper is exceptional on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.13”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 0.49Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.49
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 564 m
- To
- 572 m
- Intercept Depth
- 564 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:564-572
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.36
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.49 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 3.9 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.49”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00326Furnas · copperGrade: 0.69Grade Unit: %Intercept: 43 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00326
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.69
- Grade Unit
- %
- Intercept
- 43 m
- From
- 150 m
- To
- 193 m
- Intercept Depth
- 150 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00326:150-193
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.01
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.69 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 29.7 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.69 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.69”
Context: FURN-DD-00326
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00326Furnas · goldGrade: 0.67Grade Unit: g/tIntercept: 43 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00326
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.67
- Grade Unit
- g/t
- Intercept
- 43 m
- From
- 150 m
- To
- 193 m
- Intercept Depth
- 150 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00326:150-193
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.01
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.67 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 28.8 g/t·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.67”
Context: FURN-DD-00326
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.83Grade Unit: %Intercept: 10 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.83
- Grade Unit
- %
- Intercept
- 10 m
- From
- 164 m
- To
- 174 m
- Intercept Depth
- 164 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:164-174
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.32
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.83 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 8.3 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.83 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.83”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 1.02Grade Unit: g/tIntercept: 10 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.02
- Grade Unit
- g/t
- Intercept
- 10 m
- From
- 164 m
- To
- 174 m
- Intercept Depth
- 164 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:164-174
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.32
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.02 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 10.2 g/t·m is weak (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.02”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00329Furnas · copperGrade: 0.48Grade Unit: %Intercept: 24 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00329
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.48
- Grade Unit
- %
- Intercept
- 24 m
- From
- 213 m
- To
- 237 m
- Intercept Depth
- 213 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00329:213-237
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.62
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.48 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 11.5 %·m is below (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.48”
Context: FURN-DD-00329
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
FURN-DD-00329Furnas · goldGrade: 0.29Grade Unit: g/tIntercept: 24 mView all detailsHide details
Identity
- Hole ID
- FURN-DD-00329
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.29
- Grade Unit
- g/t
- Intercept
- 24 m
- From
- 213 m
- To
- 237 m
- Intercept Depth
- 213 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- FURN-DD-00329:213-237
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.62
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.29 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 7.0 g/t·m is below.
Negative factors
- 0.29 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.29”
Context: FURN-DD-00329
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · copperGrade: 0.59Grade Unit: %Intercept: 8 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- copper
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 0.59
- Grade Unit
- %
- Intercept
- 8 m
- From
- 312 m
- To
- 320 m
- Intercept Depth
- 312 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:312-320
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.18
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 0.59 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 4.7 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.59 % copper is strong on the iocg deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.59”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inclFurnas · goldGrade: 1.24Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Furnas
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ERO
Geometry
- Grade
- 1.24
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 312 m
- To
- 320 m
- Intercept Depth
- 312 m
Classification
- Deposit Type
- iocg
- Sample Type
- drill
- Group ID
- incl:312-320
- Mining Method
- open_pit
Location
- Location
- SOUTHEAST ZONE
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Brasil Ltda. and ALS Peru S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 1.18
- Metal Eq. Unit
- % Cu-Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-09-18T00:00:00.000Z
Reasoning: Expanded from assay table. 1.24 g/t gold is moderate against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 9.9 g/t·m is below (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.24”
Context: incl
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.