Ridgestone Highlights IP Anomaly and High-Grade Copper at Rebeico

Original announcement by tmx on

Company
Ridgestone Mining Inc.
Ticker
RMI
Exchange
TSX
Region
Sonora, Mexico
Primary commodity
Copper
Secondary commodities
Gold
Document categories
Drill results, Other
Extracted
2026-09-18 19:08:02 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Ridgestone Mining has announced encouraging geophysical and exploration results at its Rebeico project in Sonora, Mexico. The company identified a significant IP chargeability anomaly and reported high-grade copper and gold intercepts, including 2.78% Cu and 8.69 g/t Au over 2.0 metres at the Alaska Vein.

Reasoning: The release reports encouraging high-grade drill intercepts and a significant geophysical anomaly, supporting exploration potential at the Rebeico project.

Positive factors

  • High-grade copper and gold intercepts reported
  • Strong IP chargeability anomaly identified
  • High-grade surface sampling at Elena concession

Facts used in scoring: 6

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The release highlights a new IP anomaly and high-grade intercepts that expand the known mineralized footprint.

Evidence · text

“A strong IP high (chargeability anomaly) with an extent of 1,400 metres north-south and 800 metres east-west was identified south of the Alaska vein.”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: The release names a Qualified Person (QP) as defined by NI 43-101.

Evidence · text

“Qualified Person: Mr. Noris Del Bel Belluz, P.Geo and VP Exploration, is the qualified person as defined by National Instrument 43-101”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (6)

New Year ZoneRebeico · copperGrade: 1.56Grade Unit: %Intercept: 19.3 mView all details
Link to this fact

Identity

Hole ID
New Year Zone
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
Intercept Depth
0 m

Classification

Sample Type
drill
Group ID
New Year Zone:0-19.3

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-04-07T00:00:00.000Z

Reasoning: Strong copper intercept from surface.

Positive factors

  • Significant width and grade

Evidence · text

“1.56% copper plus 1.80 g/t gold intersected over 19.3 metres from surface at the New Year Zone”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

New Year ZoneRebeico · goldGrade: 1.8Grade Unit: g/tIntercept: 19.3 mView all details
Link to this fact

Identity

Hole ID
New Year Zone
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
Intercept Depth
0 m

Classification

Sample Type
drill
Group ID
New Year Zone:0-19.3

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-04-07T00:00:00.000Z

Reasoning: Gold grade accompanies significant copper intercept.

Positive factors

  • Co-product gold in high-grade copper zone

Evidence · text

“1.56% copper plus 1.80 g/t gold intersected over 19.3 metres from surface at the New Year Zone”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Alaska VeinRebeico · copperGrade: 2.78Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
Alaska Vein
Project
Rebeico
Commodity
copper
Region
mexico
Reported Region
mexico
Ticker
RMI

Geometry

Grade
2.78
Grade Unit
%
Intercept
2 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-04-07T00:00:00.000Z

Reasoning: Very high grade copper intercept.

Positive factors

  • High grade intercept

Evidence · text

“2.78% copper plus 8.69 g/t gold over 2.0 metres from the Alaska Vein”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Alaska VeinRebeico · goldGrade: 8.69Grade Unit: g/tIntercept: 2 mView all details
Link to this fact

Identity

Hole ID
Alaska Vein
Project
Rebeico
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
RMI

Geometry

Grade
8.69
Grade Unit
g/t
Intercept
2 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-04-07T00:00:00.000Z

Reasoning: High grade gold intercept.

Positive factors

  • Bonanza grade gold

Evidence · text

“2.78% copper plus 8.69 g/t gold over 2.0 metres from the Alaska Vein”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Fact 5Rebeico · copperGrade: 3.77Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Project
Rebeico
Commodity
copper
Region
mexico
Reported Region
mexico
Ticker
RMI

Geometry

Grade
3.77
Grade Unit
%
Intercept
1.5 m

Classification

Sample Type
surface

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-04-07T00:00:00.000Z

Reasoning: High grade surface copper sample at Elena concession.

Positive factors

  • High grade surface sample

Evidence · text

“surface sampling has returned up to 3.77% copper”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Fact 6Rebeico · goldGrade: 0.741Grade Unit: ppmView all details
Link to this fact

Identity

Project
Rebeico
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
RMI

Geometry

Grade
0.741
Grade Unit
ppm

Classification

Sample Type
surface

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-04-07T00:00:00.000Z

Reasoning: Low grade gold surface sample.

Evidence · text

“surface sampling has returned ... 0.741 ppm gold”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

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.