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
- 2026-08-26 07:07:18 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 hole 20REB013D, which intersected 2.13 g/t gold and 1.79% copper over 16.25 metres, including a high-grade 4.35m interval at 5.25 g/t gold.
Reasoning: Strong maiden drill results showing high-grade gold (5.25 g/t) and significant copper (1.79%) in a single interval, confirming a mineralized system.
Positive factors
- high-grade gold intercept
- significant copper grades
- maiden drill program success
- QA/QC disclosed
Facts used in scoring: 12

Classification and evidence
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, certified reference material, and ALS laboratory.
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 drill 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: 12. Some facts used in scoring do not have a stored record.
Drill Results (12)
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
- Sonora, 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
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 20REB013D:0.0-19.3
Location
- Azimuth
- 0 °
- Dip
- -90 °
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Base interval for the hole showing moderate gold grades.
Evidence · table
“1.80”
Context: 19.30
20REB013DRebeico · copperGrade: 1.56Grade Unit: %Intercept: 19.3 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, 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
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 20REB013D:0.0-19.3
Location
- Azimuth
- 0 °
- Dip
- -90 °
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Significant copper grade over a wide interval.
Evidence · table
“1.56”
Context: 19.30
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
- Sonora, 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
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 20REB013D:3.05-19.3
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Strong gold intercept in a maiden program.
Evidence · text
“2.13 g/t gold and 1.79% copper over a 16.25 metre interval”
20REB013DRebeico · copperGrade: 1.79Grade Unit: %Intercept: 16.25 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, 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
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 20REB013D:3.05-19.3
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Strong copper intercept in a maiden program.
Evidence · text
“2.13 g/t gold and 1.79% copper over a 16.25 metre interval”
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
- Sonora, 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
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 20REB013D:8.65-13.0
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: High-grade sub-interval within the main intercept.
Evidence · table
“5.25”
Context: 4.35
20REB013DRebeico · copperGrade: 1.46Grade Unit: %Intercept: 4.35 mView all detailsHide details
Identity
- Hole ID
- 20REB013D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, 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
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 20REB013D:8.65-13.0
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: High-grade copper sub-interval.
Evidence · table
“1.46”
Context: 4.35
20REB014DRebeico · copperGrade: 0.25Grade Unit: %Intercept: 16.2 mView all detailsHide details
Identity
- Hole ID
- 20REB014D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, 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
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 20REB014D:1.6-17.8
Location
- Azimuth
- 0 °
- Dip
- -90 °
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
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
20REB015DRebeico · copperGrade: 0.19Grade Unit: %Intercept: 10.9 mView all detailsHide details
Identity
- Hole ID
- 20REB015D
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, 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
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 20REB015D:1.8-12.7
Location
- Azimuth
- 270 °
- Dip
- -55 °
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
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
includingRebeico · goldGrade: 2.13Grade Unit: g/tIntercept: 16.25 mView all detailsHide details
Identity
- Hole ID
- including
- Project
- Rebeico
- Commodity
- gold
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- RMI
Geometry
- Grade
- 2.13
- Grade Unit
- g/t
- Intercept
- 16.25 m
- From
- 3.05 m
- To
- 19.3 m
Classification
- Sample Type
- drill
- Group ID
- including:3.05-19.3
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Expanded from assay table. 2.13 g/t gold is strong against the default band [5, 2, 1, 0.3] g/t. Grade×width 34.6 g/t·m is moderate (grade alone is strong; the better of the two is used).
Positive factors
- 2.13 g/t gold is strong on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“2.13”
Context: including
includingRebeico · copperGrade: 1.79Grade Unit: %Intercept: 16.25 mView all detailsHide details
Identity
- Hole ID
- including
- Project
- Rebeico
- Commodity
- copper
- Region
- mexico
- Reported Region
- Sonora, Mexico
- Ticker
- RMI
Geometry
- Grade
- 1.79
- Grade Unit
- %
- Intercept
- 16.25 m
- From
- 3.05 m
- To
- 19.3 m
Classification
- Sample Type
- drill
- Group ID
- including:3.05-19.3
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2020-07-15T00:00:00.000Z
Reasoning: Expanded from assay table. 1.79 % copper is strong against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 29.1 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 1.79 % copper is strong on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.79”
Context: including
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
- Sonora, Mexico
- Ticker
- RMI
Geometry
- Grade
- 5.25
- Grade Unit
- g/t
- Intercept
- 4.35 m
- From
- 8.65 m
- To
- 13 m
Classification
- Sample Type
- drill
- Group ID
- which also includes:8.65-13
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
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
- Sonora, Mexico
- Ticker
- RMI
Geometry
- Grade
- 1.46
- Grade Unit
- %
- Intercept
- 4.35 m
- From
- 8.65 m
- To
- 13 m
Classification
- Sample Type
- drill
- Group ID
- which also includes:8.65-13
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
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.