i-80 Gold Announces Additional High-Grade Assay Results From Archimedes Underground Including 16.2 g/t Au Over 56.4 Meters; Updates Timing of 2026 Technical Studies
Original announcement by tmx on
- Company
- i-80 Gold Corp.
- Ticker
- IAU
- Exchange
- TSX
- Region
- northeastern Nevada, USA
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-12 06:39:50 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
i-80 Gold announced high-grade gold assay results from infill drilling at its Archimedes Underground Project in Nevada, including 16.2 g/t Au over 56.4 meters. The results extend known mineralization and confirm continuity, supporting the planned start of mining in Q4 2026. The company also noted a delay in feasibility studies for its Granite Creek and Cove underground projects from Q2 to Q3 2026.
Reasoning: The drill results demonstrate excellent high-grade gold intercepts over significant widths, extending the known mineralization at Archimedes. This is a strong positive for the project's potential. While technical studies for other projects are delayed, the core Archimedes development remains on track, and the resource estimate, though historical, provides a solid base.
Positive factors
- High-grade gold intercepts with significant widths
- Drilling extends known mineralization and confirms continuity
- Robust QA/QC procedures disclosed
- Project development remains on schedule for first gold in Q4 2026
Negative factors
- Delay in feasibility-level technical studies for other projects
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 42
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: Hole iAU26-09 returned 16.2 g/t Au over 56.4 m and iAU26-11 returned 21.9 g/t Au over 20.2 m, which are exceptionally high grades and widths for underground gold deposits.
Evidence · text
“16.2 g/t Au over 56.4 m in hole iAU26-09 (sulfide) 21.9 g/t Au over 20.2 m in hole iAU26-11 (sulfide)”
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: The document states that true widths are estimated between approximately 40%-65% of core width.
Evidence · text
“True widths are estimated between approximately 40% - 65% of core width.”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drill results are described as extending the known mineralized area and demonstrating an expansion of mineralization beyond current resource boundaries.
Evidence · text
“demonstrating significant widths and continuity of high-grade material that extends the known mineralized area”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release mentions MSALABS as an ISO accredited laboratory and details the company's QA/QC program including standards, duplicates, and blanks.
Evidence · text
“All samples were submitted to MSALABS (MSA) of Elko, NV, which is an an ISO9001 and ISO/IEC 17025 accredited laboratory, independent of the Company. Samples submitted through MSA are crushed to 80% passing 2 mm and analyzed using CPA-Au1 (Au; 500 gram photon assay). MSA also undertakes their own internal coarse duplicate analysis to ensure proper sample preparation and equipment calibration. i-80 Gold's QA/QC program includes regular insertion of standards, duplicates, and blanks into the sample stream with a stringent review of all results.”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The drill campaign is explicitly described as an 'infill drill campaign' and 'infill drilling to support mineral reserve estimation'.
Evidence · text
“completed 2025-2026 infill drill campaign”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource estimate includes a significant portion of Inferred Mineral Resources (4.2 million tonnes).
Evidence · table
“Inferred Mineral Resources”
Context: 4,188
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The resource estimate and technical information are stated to be in accordance with National Instrument 43-101.
Evidence · text
“prepared in accordance with National Instrument 43-101- Standards of Disclosure for Mineral Projects”
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: The technical information and resource review were supervised, reviewed, and approved by Paul Chawrun P.Eng., Tyler Hill CPG., and a Qualified Person from Practical Mining LLC.
Evidence · text
“The technical information contained in this press release has been prepared under the supervision of, and has been reviewed and approved by Paul Chawrun P.Eng., Executive Vice President and Chief Operating Officer, and Tyler Hill CPG., Vice President Geology, for the Company, each of whom are qualified persons within the meaning of NI 43-101 and S-K 1300. ... A Qualified Person and employee of Practical Mining LLC, has reviewed the Ruby Hill Underground mineral resources and material assumptions included in the Ruby Hill Technical Report and confirmed that they remain current as of December 31, 2025.”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The cut-off grades for the resource estimate are clearly stated for both the 426 and Ruby Deeps deposits.
Evidence · text
“Pressure oxidation cutoff grades are 5.06 and 5.48 Au g/t (0.148 and 0.160 opt) for the 426 and Ruby Deeps deposits respectively.”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document references an existing mineral resource estimate for Archimedes, indicating it is an update or restatement rather than a maiden resource.
Evidence · text
“Archimedes hosts an Indicated Mineral Resource of 1.8 million tonnes containing 436,000 ounces of gold grading 7.6 grams per tonne and an Inferred Mineral Resource of 4.2 million tonnes containing 988,000 ounces of gold grading 7.3 grams per tonne”
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: The mineral resource estimate is explicitly stated as supporting a Preliminary Economic Assessment (PEA).
Evidence · text
“mineral resource estimate used to support the Archimedes preliminary economic assessment”
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The resource estimate referenced has an effective date of December 31, 2025, and was filed on March 31, 2025, making it historical data in this June 2026 release.
Evidence · text
“As of December 31, 2025, Archimedes hosts an Indicated Mineral Resource of 1.8 million tonnes... (1) ... The PEA ... filed on March 31, 2025”
Extracted facts
Stored fact records: 42. Some facts used in scoring do not have a stored record.
Drill Results (34)
iAU26-06Archimedes Underground · goldGrade: 7.9Grade Unit: g/tIntercept: 9.1 mView all detailsHide details
Identity
- Hole ID
- iAU26-06
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 7.9
- Grade Unit
- g/t
- Intercept
- 9.1 m
- From
- 107.6 m
- To
- 116.7 m
- Intercept Depth
- 107.6 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-06:107.6-116.7
- Mining Method
- underground
Location
- Easting
- 587367
- Northing
- 4375865
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1774 m
- Azimuth
- 302 °
- Dip
- -51 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- High-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“7.9”
Context: 9.1
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 "resource"
iAU26-06Archimedes Underground · goldGrade: 6.8Grade Unit: g/tIntercept: 3.8 mView all detailsHide details
Identity
- Hole ID
- iAU26-06
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 6.8
- Grade Unit
- g/t
- Intercept
- 3.8 m
- From
- 137.8 m
- To
- 141.7 m
- Intercept Depth
- 107.6 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-06:137.8-141.7
- Mining Method
- underground
Location
- Easting
- 587367
- Northing
- 4375865
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1774 m
- Azimuth
- 302 °
- Dip
- -51 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade, contributing positively to the resource confidence in an underground mining context.
Positive factors
- Good gold grade for underground mining
- Infill drilling confirms continuity
Evidence · table
“6.8”
Context: 3.8
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 "resource"
iAU26-06Archimedes Underground · goldGrade: 7.4Grade Unit: g/tIntercept: 6.9 mView all detailsHide details
Identity
- Hole ID
- iAU26-06
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 7.4
- Grade Unit
- g/t
- Intercept
- 6.9 m
- From
- 157.2 m
- To
- 164.1 m
- Intercept Depth
- 107.6 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-06:157.2-164.1
- Mining Method
- underground
Location
- Easting
- 587367
- Northing
- 4375865
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1774 m
- Azimuth
- 302 °
- Dip
- -51 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- High-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“7.4”
Context: 6.9
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 "resource"
iAU26-07Archimedes Underground · goldGrade: 16.1Grade Unit: g/tIntercept: 17.6 mView all detailsHide details
Identity
- Hole ID
- iAU26-07
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 16.1
- Grade Unit
- g/t
- Intercept
- 17.6 m
- From
- 137.2 m
- To
- 154.8 m
- Intercept Depth
- 137.2 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-07:137.2-154.8
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 287 °
- Dip
- -34 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept is bonanza grade over a significant width, strongly positive for the project's economics and resource confidence.
Positive factors
- Exceptional high-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“16.1”
Context: 17.6
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 "resource"
iAU26-07Archimedes Underground · goldGrade: 2.4Grade Unit: g/tIntercept: 19.8 mView all detailsHide details
Identity
- Hole ID
- iAU26-07
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 2.4
- Grade Unit
- g/t
- Intercept
- 19.8 m
- From
- 154.8 m
- To
- 174.5 m
- Intercept Depth
- 137.2 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-07:154.8-174.5
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 287 °
- Dip
- -34 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows a moderate gold grade over a significant width, contributing to the overall resource.
Positive factors
- Significant width
- Infill drilling confirms continuity
Evidence · table
“2.4”
Context: 19.8
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 "resource"
iAU26-07Archimedes Underground · goldGrade: 14Grade Unit: g/tIntercept: 10.8 mView all detailsHide details
Identity
- Hole ID
- iAU26-07
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 14
- Grade Unit
- g/t
- Intercept
- 10.8 m
- From
- 185.6 m
- To
- 196.4 m
- Intercept Depth
- 137.2 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-07:185.6-196.4
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 287 °
- Dip
- -34 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold over a good width, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“14.0”
Context: 10.8
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 "resource"
iAU26-08Archimedes Underground · goldGrade: 7.3Grade Unit: g/tIntercept: 33.1 mView all detailsHide details
Identity
- Hole ID
- iAU26-08
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 7.3
- Grade Unit
- g/t
- Intercept
- 33.1 m
- From
- 183.5 m
- To
- 216.6 m
- Intercept Depth
- 183.5 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-08:183.5-216.6
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1758 m
- Azimuth
- 5 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold over a very significant width, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“7.3”
Context: 33.1
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 "resource"
iAU26-08Archimedes Underground · goldGrade: 9.8Grade Unit: g/tIntercept: 4 mView all detailsHide details
Identity
- Hole ID
- iAU26-08
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 9.8
- Grade Unit
- g/t
- Intercept
- 4 m
- From
- 183.5 m
- To
- 187.5 m
- Intercept Depth
- 183.5 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-08:183.5-187.5
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1758 m
- Azimuth
- 5 °
- Dip
- -48 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- High-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“9.8”
Context: 4.0
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 "resource"
iAU26-09Archimedes Underground · goldGrade: 16.2Grade Unit: g/tIntercept: 56.4 mView all detailsHide details
Identity
- Hole ID
- iAU26-09
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 16.2
- Grade Unit
- g/t
- Intercept
- 56.4 m
- From
- 145.9 m
- To
- 202.3 m
- Intercept Depth
- 145.9 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-09:145.9-202.3
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 281 °
- Dip
- -31 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept is exceptionally high-grade over a very significant width, representing a bonanza result that strongly enhances the project's economics and resource confidence.
Positive factors
- Bonanza high-grade gold intercept for underground mining
- Exceptional width
- Infill drilling confirms continuity
- Extends known mineralization
Evidence · table
“16.2”
Context: 56.4
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 "resource"
iAU26-11Archimedes Underground · goldGrade: 21.9Grade Unit: g/tIntercept: 20.2 mView all detailsHide details
Identity
- Hole ID
- iAU26-11
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 21.9
- Grade Unit
- g/t
- Intercept
- 20.2 m
- From
- 181.4 m
- To
- 201.6 m
- Intercept Depth
- 181.4 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-11:181.4-201.6
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 276 °
- Dip
- -31 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept is exceptionally high-grade over a significant width, representing a bonanza result that strongly enhances the project's economics and resource confidence.
Positive factors
- Bonanza high-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
- Extends known mineralization
Evidence · table
“21.9”
Context: 20.2
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 "resource"
iAU26-12Archimedes Underground · goldGrade: 2.4Grade Unit: g/tIntercept: 28.3 mView all detailsHide details
Identity
- Hole ID
- iAU26-12
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 2.4
- Grade Unit
- g/t
- Intercept
- 28.3 m
- From
- 107.4 m
- To
- 135.8 m
- Intercept Depth
- 107.4 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-12:107.4-135.8
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 355 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows a moderate gold grade over a significant width, contributing to the overall resource.
Positive factors
- Significant width
- Infill drilling confirms continuity
Evidence · table
“2.4”
Context: 28.3
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 "resource"
iAU26-12Archimedes Underground · goldGrade: 5.2Grade Unit: g/tIntercept: 5.7 mView all detailsHide details
Identity
- Hole ID
- iAU26-12
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 5.2
- Grade Unit
- g/t
- Intercept
- 5.7 m
- From
- 138.7 m
- To
- 144.4 m
- Intercept Depth
- 107.4 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-12:138.7-144.4
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 355 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- Good gold grade for underground mining
- Infill drilling confirms continuity
Evidence · table
“5.2”
Context: 5.7
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 "resource"
iAU26-12Archimedes Underground · goldGrade: 9Grade Unit: g/tIntercept: 8.7 mView all detailsHide details
Identity
- Hole ID
- iAU26-12
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 9
- Grade Unit
- g/t
- Intercept
- 8.7 m
- From
- 167.8 m
- To
- 176.5 m
- Intercept Depth
- 107.4 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-12:167.8-176.5
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 355 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- High-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“9.0”
Context: 8.7
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 "resource"
iAU26-12Archimedes Underground · goldGrade: 10.7Grade Unit: g/tIntercept: 16.6 mView all detailsHide details
Identity
- Hole ID
- iAU26-12
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 10.7
- Grade Unit
- g/t
- Intercept
- 16.6 m
- From
- 190.1 m
- To
- 206.7 m
- Intercept Depth
- 107.4 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-12:190.1-206.7
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 355 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold over a good width, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“10.7”
Context: 16.6
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 "resource"
iAU26-13Archimedes Underground · goldGrade: 2.2Grade Unit: g/tIntercept: 5.2 mView all detailsHide details
Identity
- Hole ID
- iAU26-13
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 2.2
- Grade Unit
- g/t
- Intercept
- 5.2 m
- From
- 142.9 m
- To
- 148 m
- Intercept Depth
- 142.9 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-13:142.9-148
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 353 °
- Dip
- -51 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows a moderate gold grade over a good width, contributing to the overall resource.
Positive factors
- Infill drilling confirms continuity
Evidence · table
“2.2”
Context: 5.2
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 "resource"
iAU26-13Archimedes Underground · goldGrade: 6.6Grade Unit: g/tIntercept: 17.8 mView all detailsHide details
Identity
- Hole ID
- iAU26-13
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 6.6
- Grade Unit
- g/t
- Intercept
- 17.8 m
- From
- 169.7 m
- To
- 187.5 m
- Intercept Depth
- 142.9 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-13:169.7-187.5
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 353 °
- Dip
- -51 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- High-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“6.6”
Context: 17.8
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 "resource"
iAU26-13Archimedes Underground · goldGrade: 11Grade Unit: g/tIntercept: 26.1 mView all detailsHide details
Identity
- Hole ID
- iAU26-13
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 11
- Grade Unit
- g/t
- Intercept
- 26.1 m
- From
- 197.5 m
- To
- 223.6 m
- Intercept Depth
- 142.9 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-13:197.5-223.6
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 353 °
- Dip
- -51 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold over a very significant width, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“11.0”
Context: 26.1
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 "resource"
iAU26-14Archimedes Underground · goldGrade: 7Grade Unit: g/tIntercept: 2.4 mView all detailsHide details
Identity
- Hole ID
- iAU26-14
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 7
- Grade Unit
- g/t
- Intercept
- 2.4 m
- From
- 127.7 m
- To
- 130.1 m
- Intercept Depth
- 127.7 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-14:127.7-130.1
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 349 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade, contributing positively to the resource confidence in an underground mining context.
Positive factors
- Good gold grade for underground mining
- Infill drilling confirms continuity
Evidence · table
“7.0”
Context: 2.4
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 "resource"
iAU26-15Archimedes Underground · goldGrade: 3Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- iAU26-15
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 3
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 110.4 m
- To
- 118.4 m
- Intercept Depth
- 110.4 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-15:110.4-118.4
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 344 °
- Dip
- -57 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a good width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- Good gold grade for underground mining
- Infill drilling confirms continuity
Evidence · table
“3.0”
Context: 8.0
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 "resource"
iAU26-15Archimedes Underground · goldGrade: 11.1Grade Unit: g/tIntercept: 3.1 mView all detailsHide details
Identity
- Hole ID
- iAU26-15
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 11.1
- Grade Unit
- g/t
- Intercept
- 3.1 m
- From
- 156.2 m
- To
- 159.2 m
- Intercept Depth
- 110.4 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-15:156.2-159.2
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 344 °
- Dip
- -57 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“11.1”
Context: 3.1
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 "resource"
iAU26-15Archimedes Underground · goldGrade: 8Grade Unit: g/tIntercept: 22.4 mView all detailsHide details
Identity
- Hole ID
- iAU26-15
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 8
- Grade Unit
- g/t
- Intercept
- 22.4 m
- From
- 171 m
- To
- 193.4 m
- Intercept Depth
- 110.4 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-15:171-193.4
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 344 °
- Dip
- -57 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold over a very significant width, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“8.0”
Context: 22.4
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 "resource"
iAU26-16Archimedes Underground · goldGrade: 7.8Grade Unit: g/tIntercept: 5.2 mView all detailsHide details
Identity
- Hole ID
- iAU26-16
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 7.8
- Grade Unit
- g/t
- Intercept
- 5.2 m
- From
- 151.7 m
- To
- 156.9 m
- Intercept Depth
- 151.7 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-16:151.7-156.9
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 338 °
- Dip
- -63 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- High-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“7.8”
Context: 5.2
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 "resource"
iAU26-17Archimedes Underground · goldGrade: 5.4Grade Unit: g/tIntercept: 56.5 mView all detailsHide details
Identity
- Hole ID
- iAU26-17
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 5.4
- Grade Unit
- g/t
- Intercept
- 56.5 m
- From
- 93.8 m
- To
- 150.3 m
- Intercept Depth
- 93.8 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-17:93.8-150.3
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 333 °
- Dip
- -56 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong gold grade over an exceptional width, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Exceptional width
- Infill drilling confirms continuity
Evidence · table
“5.4”
Context: 56.5
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 "resource"
iAU26-17Archimedes Underground · goldGrade: 15Grade Unit: g/tIntercept: 8.8 mView all detailsHide details
Identity
- Hole ID
- iAU26-17
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 15
- Grade Unit
- g/t
- Intercept
- 8.8 m
- From
- 154.8 m
- To
- 163.6 m
- Intercept Depth
- 93.8 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-17:154.8-163.6
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 333 °
- Dip
- -56 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept is bonanza grade over a good width, strongly positive for the project's economics and resource confidence.
Positive factors
- Exceptional high-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“15.0”
Context: 8.8
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 "resource"
iAU26-17Archimedes Underground · goldGrade: 3.2Grade Unit: g/tIntercept: 30.8 mView all detailsHide details
Identity
- Hole ID
- iAU26-17
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 3.2
- Grade Unit
- g/t
- Intercept
- 30.8 m
- From
- 163.6 m
- To
- 194.5 m
- Intercept Depth
- 93.8 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-17:163.6-194.5
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 333 °
- Dip
- -56 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a very significant width, contributing to the overall resource.
Positive factors
- Significant width
- Infill drilling confirms continuity
Evidence · table
“3.2”
Context: 30.8
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 "resource"
iAU26-18Archimedes Underground · goldGrade: 6.9Grade Unit: g/tIntercept: 7.7 mView all detailsHide details
Identity
- Hole ID
- iAU26-18
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 6.9
- Grade Unit
- g/t
- Intercept
- 7.7 m
- From
- 144.5 m
- To
- 152.2 m
- Intercept Depth
- 144.5 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-18:144.5-152.2
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 327 °
- Dip
- -66 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- High-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“6.9”
Context: 7.7
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 "resource"
iAU26-19Archimedes Underground · goldGrade: 7.9Grade Unit: g/tIntercept: 3.5 mView all detailsHide details
Identity
- Hole ID
- iAU26-19
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 7.9
- Grade Unit
- g/t
- Intercept
- 3.5 m
- From
- 136.2 m
- To
- 139.8 m
- Intercept Depth
- 136.2 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-19:136.2-139.8
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 320 °
- Dip
- -54 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade and width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- High-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“7.9”
Context: 3.5
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 "resource"
iAU26-19Archimedes Underground · goldGrade: 4.5Grade Unit: g/tIntercept: 23.7 mView all detailsHide details
Identity
- Hole ID
- iAU26-19
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 4.5
- Grade Unit
- g/t
- Intercept
- 23.7 m
- From
- 160.8 m
- To
- 184.5 m
- Intercept Depth
- 136.2 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-19:160.8-184.5
- Mining Method
- underground
Location
- Easting
- 587415
- Northing
- 4375965
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1759 m
- Azimuth
- 320 °
- Dip
- -54 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows good gold grade over a significant width, contributing positively to the resource confidence in an underground mining context.
Positive factors
- Good gold grade for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“4.5”
Context: 23.7
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 "resource"
iAU26-22Archimedes Underground · goldGrade: 8.1Grade Unit: g/tIntercept: 21.6 mView all detailsHide details
Identity
- Hole ID
- iAU26-22
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 8.1
- Grade Unit
- g/t
- Intercept
- 21.6 m
- From
- 119.9 m
- To
- 141.5 m
- Intercept Depth
- 119.9 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-22:119.9-141.5
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 311 °
- Dip
- -42 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold over a significant width, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Significant width
- Infill drilling confirms continuity
Evidence · table
“8.1”
Context: 21.6
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 "resource"
iAU26-22Archimedes Underground · goldGrade: 2.2Grade Unit: g/tIntercept: 14.7 mView all detailsHide details
Identity
- Hole ID
- iAU26-22
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 2.2
- Grade Unit
- g/t
- Intercept
- 14.7 m
- From
- 141.5 m
- To
- 156.2 m
- Intercept Depth
- 119.9 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-22:141.5-156.2
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 311 °
- Dip
- -42 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows a moderate gold grade over a significant width, contributing to the overall resource.
Positive factors
- Significant width
- Infill drilling confirms continuity
Evidence · table
“2.2”
Context: 14.7
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 "resource"
iAU26-22Archimedes Underground · goldGrade: 10.4Grade Unit: g/tIntercept: 4.8 mView all detailsHide details
Identity
- Hole ID
- iAU26-22
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 10.4
- Grade Unit
- g/t
- Intercept
- 4.8 m
- From
- 171.2 m
- To
- 175.9 m
- Intercept Depth
- 119.9 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-22:171.2-175.9
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 311 °
- Dip
- -42 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“10.4”
Context: 4.8
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 "resource"
iAU26-23Archimedes Underground · goldGrade: 15.8Grade Unit: g/tIntercept: 6.7 mView all detailsHide details
Identity
- Hole ID
- iAU26-23
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 15.8
- Grade Unit
- g/t
- Intercept
- 6.7 m
- From
- 123 m
- To
- 129.8 m
- Intercept Depth
- 123 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-23:123-129.8
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 322 °
- Dip
- -43 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept is bonanza grade over a good width, strongly positive for the project's economics and resource confidence.
Positive factors
- Exceptional high-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“15.8”
Context: 6.7
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 "resource"
iAU26-23Archimedes Underground · goldGrade: 2.8Grade Unit: g/tIntercept: 15.5 mView all detailsHide details
Identity
- Hole ID
- iAU26-23
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 2.8
- Grade Unit
- g/t
- Intercept
- 15.5 m
- From
- 153.3 m
- To
- 168.7 m
- Intercept Depth
- 123 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-23:153.3-168.7
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 322 °
- Dip
- -43 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows a good gold grade over a significant width, contributing to the overall resource.
Positive factors
- Significant width
- Infill drilling confirms continuity
Evidence · table
“2.8”
Context: 15.5
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 "resource"
iAU26-25Archimedes Underground · goldGrade: 11.9Grade Unit: g/tIntercept: 1.8 mView all detailsHide details
Identity
- Hole ID
- iAU26-25
- Project
- Archimedes Underground
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- IAU
Geometry
- Grade
- 11.9
- Grade Unit
- g/t
- Intercept
- 1.8 m
- From
- 187.5 m
- To
- 189.3 m
- Intercept Depth
- 187.5 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- iAU26-25:187.5-189.3
- Mining Method
- underground
Location
- Easting
- 587354
- Northing
- 4375817
- CRS
- NAD83 Zone 11N
- EPSG
- 26911
- Elevation
- 1779 m
- Azimuth
- 270 °
- Dip
- -36 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS (MSA) of Elko, NV
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This intercept shows strong high-grade gold, positively impacting the resource confidence.
Positive factors
- Strong high-grade gold intercept for underground mining
- Infill drilling confirms continuity
Evidence · table
“11.9”
Context: 1.8
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 "resource"
Resource Estimates (8)
indicatedArchimedes Underground Project · goldTonnes: 899000Grade: 6.9Grade Unit: g/tContained Metal: 199Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Archimedes Underground Project
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- northeastern Nevada, USA
- Ticker
- IAU
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, sec_sk1300
- QP Signed
- Yes
- Qualified person names
- Paul Chawrun P.Eng., Tyler Hill CPG., Practical Mining LLC employee
- Resource group id
- resource:3c7604b0b97b07e00cd9
- Deposit or zone
- 426
Resource Data
- Category
- indicated
- Tonnes
- 899000
- Grade
- 6.9
- Grade Unit
- g/t
- Contained Metal
- 199
- Contained Unit
- koz
- Cutoff Grade
- 5.06
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-12-31T00:00:00.000Z
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This is a restated indicated resource for the 426 zone, showing good gold grade and contributing to the overall project confidence, though not new information.
Positive factors
- Indicated resource category provides good confidence
- Good gold grade for underground mining
- Compliant with NI 43-101 and S-K 1300
Negative factors
- This is a restatement of a prior estimate, not new information
Evidence · table
“6.9”
Context: 899
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedArchimedes Underground Project · silverTonnes: 899000Grade: 0.8Grade Unit: g/tContained Metal: 22Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Archimedes Underground Project
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- northeastern Nevada, USA
- Ticker
- IAU
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, sec_sk1300
- QP Signed
- Yes
- Qualified person names
- Paul Chawrun P.Eng., Tyler Hill CPG., Practical Mining LLC employee
- Resource group id
- resource:3c7604b0b97b07e00cd9
- Deposit or zone
- 426
Resource Data
- Category
- indicated
- Tonnes
- 899000
- Grade
- 0.8
- Grade Unit
- g/t
- Contained Metal
- 22
- Contained Unit
- koz
- Cutoff Grade
- 5.06
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-12-31T00:00:00.000Z
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This is a restated indicated resource for the 426 zone, showing a low silver grade, likely a byproduct, and not new information.
Positive factors
- Indicated resource category provides good confidence
- Compliant with NI 43-101 and S-K 1300
Negative factors
- Low silver grade
- This is a restatement of a prior estimate, not new information
Evidence · table
“0.8”
Context: 899
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedArchimedes Underground Project · goldTonnes: 892000Grade: 8.3Grade Unit: g/tContained Metal: 237Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Archimedes Underground Project
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- northeastern Nevada, USA
- Ticker
- IAU
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, sec_sk1300
- QP Signed
- Yes
- Qualified person names
- Paul Chawrun P.Eng., Tyler Hill CPG., Practical Mining LLC employee
- Resource group id
- resource:8fb00a9b5697d905b41f
- Deposit or zone
- Ruby Deeps
Resource Data
- Category
- indicated
- Tonnes
- 892000
- Grade
- 8.3
- Grade Unit
- g/t
- Contained Metal
- 237
- Contained Unit
- koz
- Cutoff Grade
- 5.48
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-12-31T00:00:00.000Z
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This is a restated indicated resource for the Ruby Deeps zone, showing good gold grade and contributing to the overall project confidence, though not new information.
Positive factors
- Indicated resource category provides good confidence
- Good gold grade for underground mining
- Compliant with NI 43-101 and S-K 1300
Negative factors
- This is a restatement of a prior estimate, not new information
Evidence · table
“8.3”
Context: 892
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedArchimedes Underground Project · silverTonnes: 892000Grade: 2.4Grade Unit: g/tContained Metal: 69Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Archimedes Underground Project
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- northeastern Nevada, USA
- Ticker
- IAU
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, sec_sk1300
- QP Signed
- Yes
- Qualified person names
- Paul Chawrun P.Eng., Tyler Hill CPG., Practical Mining LLC employee
- Resource group id
- resource:8fb00a9b5697d905b41f
- Deposit or zone
- Ruby Deeps
Resource Data
- Category
- indicated
- Tonnes
- 892000
- Grade
- 2.4
- Grade Unit
- g/t
- Contained Metal
- 69
- Contained Unit
- koz
- Cutoff Grade
- 5.48
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-12-31T00:00:00.000Z
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This is a restated indicated resource for the Ruby Deeps zone, showing a low silver grade, likely a byproduct, and not new information.
Positive factors
- Indicated resource category provides good confidence
- Compliant with NI 43-101 and S-K 1300
Negative factors
- Low silver grade
- This is a restatement of a prior estimate, not new information
Evidence · table
“2.4”
Context: 892
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredArchimedes Underground Project · goldTonnes: 1038000Grade: 6.6Grade Unit: g/tContained Metal: 219Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Archimedes Underground Project
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- northeastern Nevada, USA
- Ticker
- IAU
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, sec_sk1300
- QP Signed
- Yes
- Qualified person names
- Paul Chawrun P.Eng., Tyler Hill CPG., Practical Mining LLC employee
- Resource group id
- resource:a6c8c8ed43400912c6ff
- Deposit or zone
- 426
Resource Data
- Category
- inferred
- Tonnes
- 1038000
- Grade
- 6.6
- Grade Unit
- g/t
- Contained Metal
- 219
- Contained Unit
- koz
- Cutoff Grade
- 5.06
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-12-31T00:00:00.000Z
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This is a restated inferred resource for the 426 zone, showing good gold grade but with lower confidence due to its category and being historical information.
Positive factors
- Good gold grade for underground mining
- Compliant with NI 43-101 and S-K 1300
Negative factors
- Inferred resource category has lower confidence
- This is a restatement of a prior estimate, not new information
Evidence · table
“6.6”
Context: 1,038
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredArchimedes Underground Project · silverTonnes: 1038000Grade: 1.2Grade Unit: g/tContained Metal: 40Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Archimedes Underground Project
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- northeastern Nevada, USA
- Ticker
- IAU
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, sec_sk1300
- QP Signed
- Yes
- Qualified person names
- Paul Chawrun P.Eng., Tyler Hill CPG., Practical Mining LLC employee
- Resource group id
- resource:a6c8c8ed43400912c6ff
- Deposit or zone
- 426
Resource Data
- Category
- inferred
- Tonnes
- 1038000
- Grade
- 1.2
- Grade Unit
- g/t
- Contained Metal
- 40
- Contained Unit
- koz
- Cutoff Grade
- 5.06
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-12-31T00:00:00.000Z
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This is a restated inferred resource for the 426 zone, showing a low silver grade, likely a byproduct, and not new information.
Positive factors
- Compliant with NI 43-101 and S-K 1300
Negative factors
- Low silver grade
- Inferred resource category has lower confidence
- This is a restatement of a prior estimate, not new information
Evidence · table
“1.2”
Context: 1,038
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredArchimedes Underground Project · goldTonnes: 3150000Grade: 7.6Grade Unit: g/tContained Metal: 769Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Archimedes Underground Project
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- northeastern Nevada, USA
- Ticker
- IAU
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, sec_sk1300
- QP Signed
- Yes
- Qualified person names
- Paul Chawrun P.Eng., Tyler Hill CPG., Practical Mining LLC employee
- Resource group id
- resource:ff71539958ca239d8ce1
- Deposit or zone
- Ruby Deeps
Resource Data
- Category
- inferred
- Tonnes
- 3150000
- Grade
- 7.6
- Grade Unit
- g/t
- Contained Metal
- 769
- Contained Unit
- koz
- Cutoff Grade
- 5.48
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-12-31T00:00:00.000Z
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This is a restated inferred resource for the Ruby Deeps zone, showing good gold grade but with lower confidence due to its category and being historical information.
Positive factors
- Good gold grade for underground mining
- Compliant with NI 43-101 and S-K 1300
Negative factors
- Inferred resource category has lower confidence
- This is a restatement of a prior estimate, not new information
Evidence · table
“7.6”
Context: 3,150
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredArchimedes Underground Project · silverTonnes: 3150000Grade: 2.4Grade Unit: g/tContained Metal: 246Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Archimedes Underground Project
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- northeastern Nevada, USA
- Ticker
- IAU
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101, sec_sk1300
- QP Signed
- Yes
- Qualified person names
- Paul Chawrun P.Eng., Tyler Hill CPG., Practical Mining LLC employee
- Resource group id
- resource:ff71539958ca239d8ce1
- Deposit or zone
- Ruby Deeps
Resource Data
- Category
- inferred
- Tonnes
- 3150000
- Grade
- 2.4
- Grade Unit
- g/t
- Contained Metal
- 246
- Contained Unit
- koz
- Cutoff Grade
- 5.48
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-12-31T00:00:00.000Z
Dates
- Event date
- 2026-06-25T00:00:00.000Z
Reasoning: This is a restated inferred resource for the Ruby Deeps zone, showing a low silver grade, likely a byproduct, and not new information.
Positive factors
- Compliant with NI 43-101 and S-K 1300
Negative factors
- Low silver grade
- Inferred resource category has lower confidence
- This is a restatement of a prior estimate, not new information
Evidence · table
“2.4”
Context: 3,150
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
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.