AbraSilver Resource Corp. (ABRA:TSX; ABBRF:OTCQX) has commenced a 20,000-meter diamond drilling campaign at its 100%-owned Diablillos silver-gold project in Salta Province, Argentina. The fully funded Phase V program will build on the results of the company's Phase IV drilling, which identified multiple zones of high-grade silver and gold mineralization within the broader Diablillos land package.
The campaign, expected to run through December 2025, will employ three drill rigs targeting approximately 90 holes. The program will include both infill and step-out drilling to expand and upgrade the existing Mineral Resource estimate. According to the company, an updated Mineral Resource estimate is anticipated in mid-2025. The campaign will also include condemnation drilling as part of the Definitive Feasibility Study currently underway.
Drilling will focus on several high-priority targets within the Oculto-JAC epithermal district, including the JAC South extension, Sombra zone, Oculto East, and Oculto Northeast, as well as the Cerro Viejo target within the northeast epithermal-porphyry complex, located approximately 4 km from the main Oculto deposit. At Cerro Viejo, drill hole DDH 24-056 returned 36.0 meters grading 1.91 g/t gold, including 5.0 meters at 7.22 g/t gold from a depth of 87 meters.
Dave O'Connor, Chief Geologist, stated in a company news release, "The Phase V program is designed to systematically expand our known mineralized zones and assess new, high-potential exploration targets." He added that Cerro Viejo "has the potential to become a major discovery within the Diablillos district."
The Diablillos property hosts a Proven and Probable Mineral Reserve totaling 42.3 million tonnes at an average grade of 91 g/t silver and 0.81 g/t gold, containing 123.5 million ounces of silver and 1.1 million ounces of gold. The most recent estimate was completed on March 7, 2024, and prepared in accordance with Canadian Institute of Mining (CIM) standards.
According to the December 2024 pre-feasibility study (PFS), the Diablillos project has a Net Present Value (NPV) of US$747 million at a 5% discount rate, with a 28% internal rate of return (IRR) and a projected payback period of 2.0 years, based on commodity prices of US$25.50/oz silver and US$2,050/oz gold. The mine plan outlines an average annual production of 13.4 million silver-equivalent ounces over the first five years at an all-in-sustaining cost (AISC) of US$12.67/oz AgEq.
Infrastructure at the site is well developed, with road access, nearby power sources, and established water rights in place. The project benefits from Argentina's new RIGI (Incentive Regime for Large Investments), which includes corporate tax reductions, elimination of export duties, accelerated depreciation, and long-term fiscal stability.
Advancing Toward Development With Strong Financial Backing and Strategic Upside
AbraSilver is positioned to advance Diablillos toward a development decision by late 2026, supported by an estimated US$50 million in cash (converted from CA$70 million using an exchange rate of 1.40:1) and the backing of strategic shareholders holding approximately 25% of the company. The company's recent PFS outlines strong economics, and Diablillos compares favorably with producing primary silver mines globally in terms of both scale and costs.
The current Phase V drill program is a critical step in AbraSilver's strategy to expand the project's resource base and define new zones of mineralization. According to the company's February 2025 investor presentation, Diablillos' measured and indicated (M&I) resources have doubled since 2020, reaching 258 million silver-equivalent ounces at a discovery cost of just US$0.11/oz AgEq.
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AbraSilver Resource Corp. (ABRA:TSX; ABBRF:OTCQX)
AbraSilver also anticipates securing environmental impact assessment (EIA) permits by year-end 2025, a milestone that will allow the project to proceed toward feasibility-stage development. The updated Mineral Resource estimate due mid-2025, combined with the results of the current drill program, may further improve the economics outlined in the December 2024 PFS.
In addition, AbraSilver's eligibility under Argentina's RIGI program could reduce lifetime tax and export duty liabilities by approximately US$430 million, provided the company commits 40% of the project's investment within two years of approval. This fiscal framework offers long-term stability, lower effective tax rates, and access to foreign exchange markets, improving overall investment conditions for large-scale mining projects like Diablillos.
Ownership and Share Structure
AbraSilver's major shareholders, reported Stanley, are insiders (management and board members) with 3%, Central Puerto SA with 9.9% and Kinross Gold Corp. (K:TSX; KGC:NYSE) with 4%. (In AbraSilver's recent CA$58.5M financing, Central Puerto invested CA$25M and Kinross invested CA$3M.)
AbraSilver has 152.7 million shares outstanding. Its market cap is CA$517M. Its 52-week range is CA$1.33–3.58 per share.
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- AbraSilver Resource Corp. is a billboard sponsor of Streetwise Reports and pays SWR a monthly sponsorship fee between US$4,000 and US$5,000.
- James Guttman wrote this article for Streetwise Reports LLC and provides services to Streetwise Reports as an independent contractor.
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