AbraSilver Announces Filing of Updated Pre-Feasibility Study for Diablillos

Original announcement by research on

Company
AbraSilver Resource Corp.
Ticker
ABRA
Exchange
TSX
Region
Salta province, Argentina
Primary commodity
Silver
Secondary commodities
Gold
Document categories
Other, Resource update, Agreement transaction
Extracted
2026-11-03 10:38:48 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

AbraSilver says it has filed an updated NI 43-101 pre-feasibility study for the Diablillos silver-gold project in Salta province, Argentina. The report is dated January 13, 2025 and has an effective date of December 3, 2024, with no material differences from the results disclosed on that date. The release also restates the project's current Proven and Probable Mineral Reserve estimate of 42.3 Mt grading 91 g/t Ag and 0.81 g/t Au, containing approximately 124 Moz silver and 1.1 Moz gold.

Reasoning: This is primarily a PFS filing announcement, with a reserve summary and a mention of an earn-in JV elsewhere in the body. The news is positive for project de-risking, but the release itself is mostly administrative and does not disclose the full economic model.

Positive factors

  • Updated NI 43-101 compliant pre-feasibility study filed for Diablillos.
  • The report has an effective date of December 3, 2024 and is described as having no material differences from the December 3, 2024 results disclosure.
  • The project's current Proven and Probable Mineral Reserve estimate is stated in the release.

Negative factors

  • No detailed study metrics such as NPV, IRR, capex, opex, or payback are provided in this release.
  • No new resource or reserve figures are announced beyond the summary reserve statement.
  • The release says there are no material differences from the prior disclosure, limiting incremental novelty.

Rubric flags

  • resource_update completeness — If the full PFS contains an estimate table or economic metrics, extract those separately only when they are explicitly present in the provided document text.

Facts used in scoring: 2

Classification and evidence

PFS Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: The title and body state that a 'updated pre-feasibility study' has been filed.

Evidence · text

“filed on SEDAR+ a National Instrument 43-101 – Standards of Disclosure for Mineral Projects compliant updated pre-feasibility study”

NI 43 101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The report is stated to be 'National Instrument 43-101 ... compliant'.

Evidence · text

“National Instrument 43-101 – Standards of Disclosure for Mineral Projects compliant updated pre-feasibility study”

Resource Updateneutral

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

Why it applies: The release restates the current Proven and Probable Mineral Reserve estimate for Diablillos.

Evidence · text

“The current Proven and Probable Mineral Reserve estimate for Diablillos, consists of 42.3 Mt grading 91 g/t Ag and 0.81 g/t Au”

Extracted facts

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

Resource Estimates (2)

provenDiablillosTonnes: 42300000Grade: 91Grade Unit: g/tContained Metal: 124Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Diablillos
Region
argentina
Reported Region
Salta province, Argentina
Ticker
ABRA

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
Resource group id
resource:6029b11e11ff6c00e3a1
Deposit or zone
Diablillos

Resource Data

Category
proven
Tonnes
42300000
Grade
91
Grade Unit
g/t
Contained Metal
124
Contained Unit
moz

Prior Estimate

Resource Date
2024-12-03

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2024-12-03T00:00:00.000Z

Reasoning: The release reiterates the project's reserve summary as context for the PFS filing; the figures are source text but not new in this announcement.

Positive factors

  • Proven and Probable reserve estimate is explicitly stated for Diablillos.
  • The reserve contains approximately 124 Moz silver.

Negative factors

  • This is a restatement of the current reserve summary rather than a new estimate in the release body.
  • Cut-off grade is not disclosed in this release.
  • No QP/CP names are provided in the text excerpt.

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut Off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

NI 43 101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

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

PFS Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

provenDiablillosTonnes: 42300000Grade: 0.81Grade Unit: g/tContained Metal: 1.1Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Diablillos
Region
argentina
Reported Region
Salta province, Argentina
Ticker
ABRA

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
Resource group id
resource:6029b11e11ff6c00e3a1
Deposit or zone
Diablillos

Resource Data

Category
proven
Tonnes
42300000
Grade
0.81
Grade Unit
g/t
Contained Metal
1.1
Contained Unit
moz

Prior Estimate

Resource Date
2024-12-03

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2024-12-03T00:00:00.000Z

Reasoning: The same reserve row is split into separate commodity facts for silver and gold, as required.

Positive factors

  • Proven and Probable reserve estimate is explicitly stated for Diablillos.
  • The reserve contains approximately 1.1 Moz gold.

Negative factors

  • This is a restatement of the current reserve summary rather than a new estimate in the release body.
  • Cut-off grade is not disclosed in this release.
  • No QP/CP names are provided in the text excerpt.

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut Off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

NI 43 101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

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

PFS Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

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.