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Heartfield Mining Corp. ( (TSE:MERC) ) has shared an announcement.
Mercado Minerals reported significant progress at its Copalito Project in Mexico, where its technical team is preparing for an inaugural 3,000-metre diamond drill program. The company has now completed 40% of mapping and prospecting, finished drone-based magnetic and LiDAR surveys, and advanced a soil sampling grid that is 25% complete, all aimed at better defining the project’s vein systems.
Fieldwork has led to the discovery of three new vein and stockwork zones, including interpreted extensions of the 5 Señores vein and the Cobriza or El Pilar veins, as well as a new mineralized area outside the previously known graben. These discoveries, supported by encouraging correlations from new magnetic data, suggest potential expansion of the mineralized system at Copalito, which could enhance Mercado’s project scale, refine upcoming drill targets and strengthen its exploration position in the regional precious metals sector once assay results are received.
More about Heartfield Mining Corp.
Mercado Minerals Ltd. is a Vancouver-based mineral exploration company focused on advancing its flagship Copalito Project in Mexico. The company targets epithermal-style vein systems prospective for silver, gold and base metals, using modern exploration tools such as drone geophysics, LiDAR and systematic geochemical surveys to delineate drill targets and expand its mineralized footprint.
Average Trading Volume: 87,635
Technical Sentiment Signal: Buy
See more insights into MERC stock on TipRanks’ Stock Analysis page.

