# Ridgestone Announces Option to Acquire 100% Interest in the Advanced-Stage Guadalupe y Calvo Project in Mexico Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/ridgestone-announces-option-to-acquire-100-interest-in-the-advanced-stage-guadal--3abe76e8-5c19-4c30-abee-2b8e56ce906d Original source: https://money.tmx.com/en/quote/RMI/news/7427530415128669/ridgestone-announces-option-to-acquire-100-interest-in-the-advanced-stage-guadal Publisher: tmx Original announcement: 2020-12-17T23:48:00.000Z 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: Resource update, Agreement transaction, Capital raise - Extracted: 2026-09-18 19:14:11 UTC Narrative sentiment: 0.40 · Bullish ## Minestarters Atlas summary Ridgestone Mining Inc. has signed a Letter of Intent to acquire a 100% interest in the Guadalupe y Calvo gold-silver project in Mexico from Endeavour Silver Corp via a US$4 million option agreement. To fund this, the company is conducting a non-brokered private placement of up to 38 million units for up to $1.9 million. The project contains historical NI 43-101 Indicated and Inferred resources. Reasoning: The announcement details a strategic acquisition of a high-grade gold-silver project via an option agreement, supported by a private placement, though the resource data is historical and unverified by the new owner. - Positive factor: Acquisition of an advanced-stage gold-silver project - Positive factor: High-grade historical resource mentioned - Positive factor: Accretive acquisition structure via option agreement - Positive factor: Simultaneous capital raise to fund acquisition - Negative factor: Resource is historical and not currently verified by the issuer's QP - Negative factor: Acquisition is via an option agreement rather than immediate ownership Facts used in scoring: 4 ## Classification and evidence **Nearology Play** Polarity: neutral Story-specific tag Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: The project is described as being in the Sierra Madre mining district with a prolific mining history. Evidence · text > prolific mining history in the Sierra Madre mining district **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 estimate provided is a 2013 estimate prepared by a previous owner and is explicitly labeled as historical by Ridgestone. 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: 2. Some facts used in scoring do not have a stored record. ## Resource Estimates (2) ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/ridgestone-announces-option-to-acquire-100-interest-in-the-advanced-stage-guadal--3abe76e8-5c19-4c30-abee-2b8e56ce906d#fact-resource-facts-1) Guadalupe y Calvo · gold Historical result Needs review: historical\_restatement #### Identity - Project: Guadalupe y Calvo - Commodity: gold - Region: mexico - Reported Region: Chihuahua State, Mexico - Ticker: RMI #### Resource scope - Estimate type: resource - Effective date: 2012-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: No - Resource group id: resource:78fa25946b39d5a51fde #### Resource Data - Category: indicated - Contained Metal: 236543 - Contained Unit: gold-equivalent ounces #### Prior Estimate - Resource Date: 2012-12-15 #### Metal Equivalent - Metal Eq. Grade: 3.95 - Metal Eq. Unit: g/t AuEq #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2013-12-15T00:00:00.000Z #### Dates - Event date: 2020-12-17T00:00:00.000Z Reasoning: High-grade historical resource, but novelty is low as it is a restatement of 2013 data. - Positive factor: High-grade gold-equivalent grades - Negative factor: Historical data not verified by current QP Evidence · text > Host to a historical NI 43-101 Indicated Resource of 236,543 gold-equivalent ounces grading 3.95 g/t AuEq #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **Stale Estimate** Polarity: negative Definition: Effective date is >2 years old — data currency concern, may not reflect current geological understanding. Why it applies: effective date is 8.0 years before this release ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/ridgestone-announces-option-to-acquire-100-interest-in-the-advanced-stage-guadal--3abe76e8-5c19-4c30-abee-2b8e56ce906d#fact-resource-facts-2) Guadalupe y Calvo · gold Historical result Needs review: historical\_restatement #### Identity - Project: Guadalupe y Calvo - Commodity: gold - Region: mexico - Reported Region: Chihuahua State, Mexico - Ticker: RMI #### Resource scope - Estimate type: resource - Effective date: 2012-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: No - Resource group id: resource:d7ee842c229fc771ffc9 #### Resource Data - Category: inferred - Contained Metal: 16713 - Contained Unit: gold-equivalent ounces #### Prior Estimate - Resource Date: 2012-12-15 #### Metal Equivalent - Metal Eq. Grade: 3.38 - Metal Eq. Unit: g/t AuEq #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2013-12-15T00:00:00.000Z #### Dates - Event date: 2020-12-17T00:00:00.000Z Reasoning: High-grade historical resource, but novelty is low as it is a restatement of 2013 data. - Positive factor: High-grade gold-equivalent grades - Negative factor: Historical data not verified by current QP Evidence · text > plus an Inferred Resource of 16,713 gold-equivalent ounces grading 3.38 g/t AuEq #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **Stale Estimate** Polarity: negative Definition: Effective date is >2 years old — data currency concern, may not reflect current geological understanding. Why it applies: effective date is 8.0 years before this release ## 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.