# Ridgestone Announces Execution of Option Agreement to Acquire 100% Interest in the Advanced-Stage Guadalupe y Calvo Project in Mexico

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/ridgestone-announces-execution-of-option-agreement-to-acquire-100-interest-in-th--fc08feea-08e0-4eab-90dd-837aad8e5715

Original source: https://money.tmx.com/en/quote/RMI/news/5479054073076503/ridgestone-announces-execution-of-option-agreement-to-acquire-100-interest-in-th

Publisher: tmx

Original announcement: 2021-02-01T14:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Ridgestone Mining Inc.

- Ticker: RMI

- Exchange: TSX

- Region: Chihuahua State, Mexico

- Primary commodity: Gold

- Secondary commodities: Silver

- Document categories: Agreement transaction, Resource update

- Extracted: 2026-08-26 07:04:21 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Ridgestone Mining has executed an option agreement to acquire a 100% interest in the Guadalupe y Calvo gold-silver project in Chihuahua, Mexico, from Endeavour Silver Corp. The project contains a significant historical NI 43-101 resource, though Ridgestone notes these are historical estimates that require verification.

Reasoning: The execution of an option agreement to acquire a significant high-grade gold-silver project in Mexico is a material growth event for Ridgestone.

- Positive factor: Acquisition of an advanced-stage project

- Positive factor: Significant historical high-grade resource

- Positive factor: Expansion potential along strike and at depth

- Negative factor: Historical resource must be re-verified by current QP

- Negative factor: Acquisition involves staged cash and share payments

Facts used in scoring: 2

## Classification and evidence

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The announcement includes an Inferred resource component of 16,713 gold-equivalent ounces.

Evidence · text

> Inferred Resource of 16,713 gold-equivalent ounces

**Historical Estimate Only**

Polarity: negative

Definition: Estimate pre-dates or does not comply with current JORC/NI 43-101 standards — requires verification drilling.

Why it applies: The resource was prepared by Endeavour Silver Corp in 2012 and has not been verified by Ridgestone's QP.

Evidence · text

> Ridgestone is not treating these historical estimates as current and the historical estimates should not be relied upon.

## Extracted facts

Stored fact records: 0. Some facts used in scoring do not have a stored record.

No stored fact records are available for this extraction.

## 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.