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

Atlas analysis — Ridgestone Mining Inc.: Ridgestone Drilling Intercepts 2.13 g/t Gold and 1.79% Copper over 16.25 metres at Rebeico Project, Sonora, Mexico. 1.8 g/t over 19.3 m; 2.13 g/t over 16.25 m; 5.25 g/t over 4.35 m

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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.