Centenario Gold Launches Exploration Program at Historic Los Reyes Copper-Gold Project in Mexico

Centenario Gold Corp. has commenced initial work at its Los Reyes copper-gold project in Chihuahua, Mexico, marking the start of systematic exploration at a historic mining area that has seen activity since the early 1700s but has never been comprehensively sampled. The company’s first phase involves detailed mapping and sampling of approximately one kilometer of old underground mine workings along a north-south trending contact zone, targeting mineralization that previous operators left largely untested.

The significance of this exploration program lies in its potential to validate and extend high-grade mineralization documented in historical records and limited modern sampling. According to a 2019 press release from Valterra Resource Corporation, surface sampling at Los Reyes yielded an average copper grade of 3.1%, with 22 of 28 samples containing more than 1% copper. The more anomalous samples also contained elevated precious and base metal values, reaching up to 0.57g/t gold, 25.3g/t silver, 0.47% molybdenum and 1.7% zinc.

Following the initial underground work, Centenario plans to begin a 1,500-meter diamond drilling program designed to test extensions of the high-grade copper-zinc-silver skarn zone below 100 meters depth. This zone was previously mined by ASARCO, a historic U.S. mining company that extracted approximately 200,000 tons of high-grade material from the Jibosa workings in the late 1800s. The company has submitted environmental study reports and expects to receive necessary permits by late April 2026, with drilling anticipated to commence shortly thereafter.

The Los Reyes property covers an important area of historical mining centered along the western contact of a large two-kilometer diameter granodiorite intrusive body. The exploration target exceeds 100 meters in width and hosts multiple zones of strongly copper-enriched mineralization. The most recent exploration work prior to Centenario’s involvement was completed by Valterra Resource Corporation in 2019 along an 800-meter north-south strike covering the copper-gold skarn zone.

This exploration initiative matters because it represents the first comprehensive effort to systematically evaluate a mineralized system with demonstrated high-grade potential that has seen only sporadic, non-systematic work over centuries of intermittent mining activity. The project’s location approximately 170 kilometers south-southeast of Chihuahua along Highway 49 provides logistical advantages, while the historical production records and recent sampling results suggest significant untapped mineral potential.

The implications of successful exploration at Los Reyes could be substantial for regional mining development, potentially establishing a new copper-gold district in a historically productive but underexplored area of Mexico. For more information about Centenario Gold Corp., visit their website at https://www.centenariogold.com. The technical disclosure in the company’s announcement was reviewed and approved by independent Qualified Person Derrick Strickland as defined by National Instrument 43-101.

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