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La Coipita

AbraSilver has entered into an option agreement to acquire a 100% interest in the La Coipita project, located in the mining-friendly San Juan province, Argentina.  The project is located in the prolific Miocene porphyry-epithermal belt and hosts multiple d porphyry copper-gold targets that have been identified from previous exploration work. maintains its primary focus on exploring and advancing the Diablillos silver-gold project. 

Highlights of the La Coipita project:

  • The project encompasses over 70,000 hectares in the prolific world-class Miocene porphyry-epithermal belt
  • Located approximately 16 km north of the Los Azules deposit (McEwen Mining Inc.) and 90 km from Los Pelambres (60% Antofagasta PLC) (1) which is located across the border in Chile
  • The Yaretas Claims cover the most prospective parts of the La Coipita mineralised system. Potassic, intermediate argillic and silicic alteration with widespread iron oxides occur, with strong leaching of primary minerals and copper oxides in places outcrop at the target areas.

La Coipita Overview

The project encompasses a large of approximately 70,000 hectares is in the western portion of Calingasta Department, located in the mining-friendly San Juan Province of Argentina adjacent to the Chilean border.  Access to the area is via Calingasta, the nearest town, along 125 km of unpaved road to the Los Azules Cu-Mo porphyry project (Indicated Resource of 962 Mt @ 0.48% Cu) (1) and then north along a dirt road to the La Coipita Cu-Au project. Elevation across the property ranges between 3,500 and 4,500 MASL with moderate to high relief.

La Coipita Location Map

La Coipita Location Map

The project lies within the Miocene porphyry-epithermal belt of Argentina and Chile.  During the mid-Miocene, the area developed an active magmatic arc, on its western side, and a back-arc extensional environment, to the east. Contemporaneous with the deposition of volcanic/volcaniclastic rocks was the emplacement of porphyry Cu-Mo-Au and/or epithermal Au-Ag (Cu) systems (e.g. Los Pelambres/El Pachón Cu-Mo porphyry, Los Azules Cu-Mo porphyry, El Indio/Veladero/Pascua Lama HS Au cluster).

Geological Setting

Geological Setting

Maiden Exploration Campaign Discovers Significant New Copper-Gold-Molybdenum Porphyry System

Initial Drill Hole Returned Broad Zones of Porphyry Mineralisation Including 226 Metres of 0.43% CuEq and 146 Metres of 0.30% CuEq

The Company’s maiden drill campaign at La Coipita consisted of two initial deep holes to test a potential large copper-gold-molybdenum porphyry target.  Based on the successful results, additional drilling is now being planned for the upcoming field season, which is expected to start in late-September 2022.

The results were announced on June 28, 2022.  Highlights include:

  • Hole DDHC 22-002: intersected a continuous copper-gold porphyry zone of 226m grading 0.43% CuEq marking a significant new discovery on the project.
    • Mineralisation remains open at depth, as the hole ended within a separate interval of 146m of 0.30% CuEq down to a depth of approximately 1,200m.
    • Porphyry style mineralisation was encountered within the host rocks believed to be adjacent to the central porphyry intrusive progenitor, which has not yet been intersected.  
  • Hole DDCH 22-001 intersected high sulphidation mineralisation with multiple high-grade narrow zones of copper and gold veining.
  • Drill results were targeted at a surface geochemistry pattern interpreted as being a reflection of an underlying porphyry system, with estimated approximate dimensions of 2.0km by 1.5km.
  • Additional drilling in this new major porphyry system is being planned for the upcoming field season, with the objective of intersecting the central porphyry intrusive progenitor.

2023 - La Coipita Exploration Program

The 2023 exploration program at La Coipita is expected to consist of one deep hole (approximately 1,300m), targeting the anticipated higher-grade zone of the porphyry system intercepted in hole DDHC 22-002. Drilling is expected to be completed in April 2023. Quartz-veinlet intensity (from 1 to >10 per m) and presence of molybdenum (as molybdenite) indicate a potential dome-like feature that is believed to likely be centred above the deeper copper system and will be targeted by the deep drill hole.

La Coipita Drill Section

Transaction Summary

The company has entered into two separate option agreements with arm’s length private owners.   

The first agreement, announced on March 02, 2020 includes the following payments to acquire a 100% interest:

Timing Payments (US$)
Paid upon signing $65,000
March 2021 $100,000
March 2022 $200,000
March 2023 $400,000
March 2024 $1,000,000
March 2025 $2,500,000

As per the terms of the Option Agreement, the Vendor will retain a 1.10% net smelter return royalty (the “NSR Royalty”).  AbraSilver has assigned to Altius Resources Inc. (a wholly owned subsidiary of Altius Minerals Corporation) an exclusive right to repurchase the royalty for US$3,000,000 at any time during the term of the option agreement, or US$5,000,000 thereafter until start-up of construction of the Project.

The second agreement, announced on August 17, 2021 includes the following payments for a 100% interest:

Timing Payments (US$)
Paid upon signing $50,000
August 2022 $75,000
August 2023 $200,000
August 2024 $400,000
August 2025 $800,000
August 2026 $1,500,000

As per the terms of the Agreement, the Vendor will retain a 1.10% net smelter return royalty on the Yaretas Claims and AbraSilver has an exclusive right to repurchase the royalty for US$5,000,000 at any time.


  1. Mineralization contained on nearby properties is not indicative of similar mineralization being found on the La Copipta Project

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