AbraSilver Files Definitive Feasibility Study Technical Report & Provides Heap Leach PEA Update

Original announcement by tmx on

Company
AbraSilver Resource Corp.
Ticker
ABRA
Exchange
TSX
Region
Argentina
Primary commodity
Silver
Secondary commodities
Gold
Document categories
Economic study, Metallurgy
Extracted
2026-09-19 06:42:30 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

AbraSilver has filed its Definitive Feasibility Study (DFS) for the Diablillos project in Argentina, reporting a US$3.0 billion NPV and a 41.9% IRR based on an open-pit operation. Additionally, the company reported encouraging metallurgical testwork results for a potential supplementary heap leach operation, which will be incorporated into an updated PEA and Mineral Resource Estimate later this year.

Reasoning: The announcement of a DFS filing with robust economics (41.9% IRR) combined with encouraging metallurgical results for a supplementary heap leach project provides significant positive momentum.

Positive factors

  • High IRR of 41.9% for the DFS base case
  • Strong NPV of US$3.0 billion
  • Better-than-expected metallurgical results for heap leach
  • Short payback period of 1.7 years

Facts used in scoring: 2

Classification and evidence

DFS Bankablepositive

AACE Class 2-1 study complete and within the staleness window.

Why it applies: The company has filed a Definitive Feasibility Study (DFS) compliant with NI 43-101.

Evidence · text

“filed a National Instrument 43-101... compliant Technical Report for its Definitive Feasibility Study ("DFS" or the "Report")”

High IRRpositive

Post-tax real unlevered IRR in the strong tier or better.

Why it applies: The DFS reports an after-tax IRR of 41.9%, which is in the strong tier.

Evidence · text

“an after-tax IRR of 41.9%”

Fast Paybackpositive

Payback in the strong tier or better, on the required basis.

Why it applies: The payback period is 1.7 years, which is in the exceptional tier.

Evidence · text

“a 1.7- year payback period”

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: The company is evaluating a supplementary heap leach operation.

Evidence · text

“evaluating a potential supplementary heap leach operation”

Single Domain Onlynegative

Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

Extracted facts

Stored fact records: 1. Some facts used in scoring do not have a stored record.

Metallurgical Results (1)

Fact 1Diablillos · goldView all details
Link to this fact

Identity

Project
Diablillos
Commodity
gold
Region
argentina
Reported Region
Argentina
Ticker
ABRA

Test Work

Program Status
preliminary
Sample
lower-grade mineralization intended for the proposed heap leach operation

Recovery

Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-21T00:00:00.000Z

Reasoning: Metallurgical results for the heap leach option are positive but specific numeric recovery values were not disclosed in this release.

Positive factors

  • Results exceeded expectations
  • Improved gold recoveries

Evidence · text

“demonstrating significantly improved gold recoveries relative to previous assumptions.”

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.