Mirasol Signs Definitive Agreement for the Sale of the Virginia Silver Project and Landholdings in Argentina for US$8 Million Plus 2% NSR Royalty

Original announcement by tmx on

Company
Mirasol Resources Ltd.
Ticker
MRZ
Exchange
TSX
Region
Argentina
Primary commodity
Silver
Secondary commodities
None reported
Document categories
Resource update, Agreement transaction
Extracted
2026-09-18 11:02:49 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Mirasol Resources Ltd. has signed a definitive agreement to sell its Virginia Silver Project and associated landholdings in Argentina to Ampere Metals Pty. Ltd. for a total cash consideration of US$8 million over seven years, while retaining a 2% Net Smelter Return (NSR) royalty.

Reasoning: The company has signed a definitive agreement to divest a project for cash and a royalty, providing liquidity for its other exploration projects.

Positive factors

  • Definitive agreement for sale of Virginia Silver Project
  • US$8 million total cash consideration
  • Retention of 2% NSR royalty
  • Provides significant funds for ongoing exploration

Facts used in scoring: 3

Classification and evidence

agreement_transactionpositive · Story-specific tag

No canonical definition is currently available.

Why it applies: The document announces a definitive agreement for the sale of the Virginia Silver Project and landholdings.

Evidence · text

“Mirasol Signs Definitive Agreement for the Sale of the Virginia Silver Project and Landholdings in Argentina”

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document references an updated Resource Estimate for the Virginia project.

Evidence · text

“An updated Resource Estimate (the “ Resource ”) is contained within a series of nine outcropping veins”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Resource Estimates (2)

indicatedVirginia Silver Project · silverGrade: 357Grade Unit: g/tContained Metal: 11.7Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Virginia Silver Project
Commodity
silver
Region
argentina
Reported Region
Argentina
Ticker
MRZ

Resource scope

Estimate type
resource
Resource group id
resource:2f7c194afc72ee142788

Resource Data

Category
indicated
Grade
357
Grade Unit
g/t
Contained Metal
11.7
Contained Unit
moz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-11-09T00:00:00.000Z

Dates

Event date
2025-11-24T00:00:00.000Z

Reasoning: This is a restatement of a resource estimate previously reported in November 2023.

Positive factors

  • High-grade silver mineralization

Evidence · text

“indicated mineral resource of 11.7 million ounces of silver at 357 g/t silver”

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

No QP/CP Disclosurenegative

No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.

Why it applies: no Qualified or Competent Person is named anywhere in the release

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.0 years before this release

inferredVirginia Silver Project · silverGrade: 184Grade Unit: g/tContained Metal: 7.9Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Virginia Silver Project
Commodity
silver
Region
argentina
Reported Region
Argentina
Ticker
MRZ

Resource scope

Estimate type
resource
Resource group id
resource:62a17550127e1623c711

Resource Data

Category
inferred
Grade
184
Grade Unit
g/t
Contained Metal
7.9
Contained Unit
moz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-11-09T00:00:00.000Z

Dates

Event date
2025-11-24T00:00:00.000Z

Reasoning: This is a restatement of an inferred resource previously reported in November 2023.

Evidence · text

“a further inferred mineral resource of 7.9 million ounces of silver at 184 g/t silver”

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

No QP/CP Disclosurenegative

No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.

Why it applies: no Qualified or Competent Person is named anywhere in the release

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.0 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.