Ridgestone Drilling Intercepts 2.13 g/t Gold and 1.79% Copper over 16.25 metres at Rebeico Project, Sonora, Mexico
Original announcement by tmx on
- Company
- Ridgestone Mining Inc.
- Ticker
- RMI
- Exchange
- TSX
- Region
- Sonora, Mexico
- Primary commodity
- Gold
- Secondary commodities
- Copper
- Document categories
- Drill results
- Extracted
- 2026-09-18 19:15:34 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Ridgestone Mining reported maiden drill results from its Rebeico gold-copper project in Sonora, Mexico. Highlights include a 16.25m intercept of 2.13 g/t gold and 1.79% copper in hole 20REB013D, featuring a high-grade 4.35m sub-interval of 5.25 g/t gold.
Reasoning: Maiden drill results from the New Year Zone show significant gold and copper intercepts, including a bonanza-style gold interval, with robust QA/QC disclosure.
Positive factors
- High-grade gold intercept (5.25 g/t) in maiden program
- Coincident gold and copper mineralization
- QA/QC protocols and independent QP sign-off disclosed
- Discovery of hydrothermal breccia and veinlets
Facts used in scoring: 10
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 5.25 g/t gold intercept in an exploration context is high-grade.
Evidence · text
“including a higher-grade 4.35 metre interval @ 5.25 g/t gold”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions blanks, standards, and certified laboratory (ALS).
Evidence · text
“Blanks and certified reference material samples were inserted into the sample stream for Quality Assurance / Quality Control ("QA/QC") purposes.”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Maiden program investigating subsurface extent of surface mineralization.
Evidence · text
“investigate the subsurface extent of significant gold and copper mineralization previously sampled on surface.”
Extracted facts
Stored fact records: 10. Some facts used in scoring do not have a stored record.
Drill Results (10)
20REB013DRebeico · goldGrade: 1.8Grade Unit: g/tIntercept: 19.3 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 1.8
- Grade Unit
- g/t
- Intercept
- 19.3 m
- From
- 0 m
- To
- 19.3 m
- Hole Depth
- 98.5 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- 20REB013D:0-19.3
- Mining Method
- unknown
Location
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Initial intercept in maiden program.
Evidence · table
“1.80”
Context: 19.30
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
20REB013DRebeico · copperGrade: 1.56Grade Unit: %Intercept: 19.3 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 1.56
- Grade Unit
- %
- Intercept
- 19.3 m
- From
- 0 m
- To
- 19.3 m
- Hole Depth
- 98.5 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- 20REB013D:0-19.3
- Mining Method
- unknown
Location
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Coincident copper mineralization.
Evidence · table
“1.56”
Context: 19.30
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
20REB013DRebeico · goldGrade: 2.13Grade Unit: g/tIntercept: 16.25 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 2.13
- Grade Unit
- g/t
- Intercept
- 16.25 m
- From
- 3.05 m
- To
- 19.3 m
- Hole Depth
- 98.5 m
- Intercept Depth
- 3.05 m
Classification
- Sample Type
- drill
- Group ID
- 20REB013D:3.05-19.3
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Significant intercept in maiden program.
Evidence · table
“2.13”
Context: 16.25
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
20REB013DRebeico · copperGrade: 1.79Grade Unit: %Intercept: 16.25 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 1.79
- Grade Unit
- %
- Intercept
- 16.25 m
- From
- 3.05 m
- To
- 19.3 m
- Hole Depth
- 98.5 m
- Intercept Depth
- 3.05 m
Classification
- Sample Type
- drill
- Group ID
- 20REB013D:3.05-19.3
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Coincident copper mineralization.
Evidence · table
“1.79”
Context: 16.25
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
20REB013DRebeico · goldGrade: 5.25Grade Unit: g/tIntercept: 4.35 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 5.25
- Grade Unit
- g/t
- Intercept
- 4.35 m
- From
- 8.65 m
- To
- 13 m
- Hole Depth
- 98.5 m
- Intercept Depth
- 8.65 m
Classification
- Sample Type
- drill
- Group ID
- 20REB013D:8.65-13
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: High-grade gold interval.
Evidence · table
“5.25”
Context: 4.35
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
20REB013DRebeico · copperGrade: 1.46Grade Unit: %Intercept: 4.35 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 1.46
- Grade Unit
- %
- Intercept
- 4.35 m
- From
- 8.65 m
- To
- 13 m
- Hole Depth
- 98.5 m
- Intercept Depth
- 8.65 m
Classification
- Sample Type
- drill
- Group ID
- 20REB013D:8.65-13
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Coincident copper mineralization.
Evidence · table
“1.46”
Context: 4.35
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
20REB014DRebeico · copperGrade: 0.25Grade Unit: %Intercept: 16.2 mView all detailsHide details
Identity
- Hole ID
- 20REB014D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 0.25
- Grade Unit
- %
- Intercept
- 16.2 m
- From
- 1.6 m
- To
- 17.8 m
- Hole Depth
- 170.1 m
- Intercept Depth
- 1.6 m
Classification
- Sample Type
- drill
- Group ID
- 20REB014D:1.6-17.8
- Mining Method
- unknown
Location
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Low grade copper intercept.
Evidence · table
“0.25”
Context: 16.2
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
20REB015DRebeico · copperGrade: 0.19Grade Unit: %Intercept: 10.9 mView all detailsHide details
Identity
- Hole ID
- 20REB015D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 0.19
- Grade Unit
- %
- Intercept
- 10.9 m
- From
- 1.8 m
- To
- 12.7 m
- Hole Depth
- 167.2 m
- Intercept Depth
- 1.8 m
Classification
- Sample Type
- drill
- Group ID
- 20REB015D:1.8-12.7
- Mining Method
- unknown
Location
- Azimuth
- 270 °
- Dip
- -55 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Low grade copper intercept.
Evidence · table
“0.19”
Context: 10.90
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
which also includesRebeico · goldGrade: 5.25Grade Unit: g/tIntercept: 4.35 mView all detailsHide details
Identity
- Hole ID
- which also includes
- Project
- Rebeico
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 5.25
- Grade Unit
- g/t
- Intercept
- 4.35 m
- From
- 8.65 m
- To
- 13 m
- Intercept Depth
- 8.65 m
Classification
- Sample Type
- drill
- Group ID
- which also includes:8.65-13
- Mining Method
- unknown
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Expanded from assay table. 5.25 g/t gold is exceptional against the default band [5, 2, 1, 0.3] g/t. Grade×width 22.8 g/t·m is weak (grade alone is exceptional; the better of the two is used).
Positive factors
- 5.25 g/t gold is exceptional on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“5.25”
Context: which also includes
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
which also includesRebeico · copperGrade: 1.46Grade Unit: %Intercept: 4.35 mView all detailsHide details
Identity
- Hole ID
- which also includes
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- mexico
- Ticker
- RMI
Geometry
- Grade
- 1.46
- Grade Unit
- %
- Intercept
- 4.35 m
- From
- 8.65 m
- To
- 13 m
- Intercept Depth
- 8.65 m
Classification
- Sample Type
- drill
- Group ID
- which also includes:8.65-13
- Mining Method
- unknown
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Expanded from assay table. 1.46 % copper is strong against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 6.4 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 1.46 % copper is strong on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.46”
Context: which also includes
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.