Mercado Minerals Begins First Field Exploration Program at Copalito in Mexico

The latest announcement is out from Heartfield Mining Corp. ( (TSE:MERC) ).

Mercado Minerals has launched its inaugural field exploration program at the Copalito Project in Sinaloa, Mexico, marking a key step in advancing its flagship silver-focused asset. The work program includes detailed mapping, sampling, and prospecting across roughly 40% of the property that has not previously seen systematic exploration, alongside re-logging and re-sampling of historical drill core from six principal known veins hosting silver, gold, lead and zinc mineralization. The company is simultaneously advancing logistics and refining targets for a planned 3,000-metre Phase 1 diamond drill campaign expected to test both known vein extensions and new areas, with technical oversight under Canadian NI 43-101 standards and historical drill results being treated as unverified until independently confirmed. This initiative strengthens Mercado’s operational momentum in Mexico’s Western Silver Belt and could materially shape future drilling priorities and the project’s perceived exploration potential for investors.

More about Heartfield Mining Corp.

Mercado Minerals Ltd. (CSE: MERC) is a silver-focused mineral exploration company operating in Mexico’s emerging Western Silver Belt within the Sierra Madre Occidental mining district. The company is advancing multiple projects across more than 3,000 hectares, leveraging a technical team with extensive Mexican exploration experience and a strategy centered on disciplined exploration, strategic growth, and discovery-driven value creation for shareholders.

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