RETRANSMISSION: Ridgestone Releases Maiden Mineral Resource Estimate at Guadalupe y Calvo, Mexico
Original announcement by tmx on
- Company
- Ridgestone Mining Inc.
- Ticker
- RMI
- Exchange
- TSX
- Region
- Chihuahua, Mexico
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Resource update
- Extracted
- 2026-08-26 07:02:52 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Ridgestone Mining has announced its maiden NI 43-101 Mineral Resource Estimate for the Guadalupe y Calvo gold-silver project in Mexico. The estimate includes approximately 356,000 oz AuEq in the Indicated category and 460,000 oz AuEq in the Inferred category.
Reasoning: Maiden NI 43-101 resource estimate for a gold-silver project, establishing a significant baseline but with a high Inferred component.
Positive factors
- Maiden resource establishment
- Significant gold-equivalent ounces
- QP sign-off provided
Negative factors
- High proportion of Inferred resource
- Assumed metallurgical recoveries
Facts used in scoring: 6
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: First formal MRE for the project.
Evidence · text
“maiden National Instrument 43-101 (NI 43-101) Mineral Resource Estimate”
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: Marc Jutras, P.Eng. is named as the independent QP.
Evidence · text
“The estimate was completed by Marc Jutras, P.Eng., M.A.Sc. of Ginto Consulting Inc. and complies with National Instrument 43-101”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: Cut-off grades for in-pit and underground scenarios are explicitly stated.
Evidence · text
“at a cut-off grade of 0.27 g/t AuEq in-pit and 1.33 g/t AuEq underground”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Resource Estimates (6)
indicatedsilverTonnes: 6427444Grade: 50.5Grade Unit: g/tContained Metal: 10435243Contained Unit: ozView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- RMI
Resource Data
- Category
- indicated
- Tonnes
- 6427444
- Grade
- 50.5
- Grade Unit
- g/t
- Contained Metal
- 10435243
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2021-05-11T00:00:00.000Z
Reasoning: Indicated silver grade component of the maiden resource.
Evidence · table
“50.5”
Context: 6,427,444
indicatedgoldTonnes: 6427444Grade: 1.05Grade Unit: g/tContained Metal: 216866Contained Unit: ozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- RMI
Resource Data
- Category
- indicated
- Tonnes
- 6427444
- Grade
- 1.05
- Grade Unit
- g/t
- Contained Metal
- 216866
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2021-05-11T00:00:00.000Z
Reasoning: Indicated gold grade component of the maiden resource.
Evidence · table
“1.05”
Context: 6,427,444
indicatedgoldTonnes: 6427444Grade: 1.72Grade Unit: g/t AuEqContained Metal: 356003Contained Unit: ozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- RMI
Resource Data
- Category
- indicated
- Tonnes
- 6427444
- Grade
- 1.72
- Grade Unit
- g/t AuEq
- Contained Metal
- 356003
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2021-05-11T00:00:00.000Z
Reasoning: Indicated gold-equivalent grade component of the maiden resource.
Evidence · table
“1.72”
Context: 6,427,444
inferredsilverTonnes: 3074146Grade: 94.2Grade Unit: g/tContained Metal: 9313410Contained Unit: ozView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- RMI
Resource Data
- Category
- inferred
- Tonnes
- 3074146
- Grade
- 94.2
- Grade Unit
- g/t
- Contained Metal
- 9313410
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2021-05-11T00:00:00.000Z
Reasoning: Inferred silver grade component of the maiden resource.
Evidence · table
“94.2”
Context: 3,074,146
inferredgoldTonnes: 3074146Grade: 3.4Grade Unit: g/tContained Metal: 335618Contained Unit: ozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- RMI
Resource Data
- Category
- inferred
- Tonnes
- 3074146
- Grade
- 3.4
- Grade Unit
- g/t
- Contained Metal
- 335618
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2021-05-11T00:00:00.000Z
Reasoning: Inferred gold grade component of the maiden resource.
Evidence · table
“3.40”
Context: 3,074,146
inferredgoldTonnes: 3074146Grade: 4.65Grade Unit: g/t AuEqContained Metal: 459796Contained Unit: ozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- RMI
Resource Data
- Category
- inferred
- Tonnes
- 3074146
- Grade
- 4.65
- Grade Unit
- g/t AuEq
- Contained Metal
- 459796
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2021-05-11T00:00:00.000Z
Reasoning: Inferred gold-equivalent grade component of the maiden resource.
Evidence · table
“4.65”
Context: 3,074,146
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.