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Heartfield Mining Corp. ( (TSE:MERC) ) just unveiled an update.
Mercado Minerals has secured an exploration drill permit for its Copalito Project in Sinaloa, Mexico, clearing the way for an inaugural 3,000-metre diamond drill program expected to begin in the first quarter. The permit allows use of both existing and new drill pads to test extensions of known veins, conduct infill and deeper drilling, and follow up on newly identified targets, building on 81 historical drill holes and prior prospecting.
The company has completed a drone-based LiDAR survey and is finalizing a high-resolution UAV magnetic survey, while its Mexican geological team advances fieldwork including re-logging and re-sampling historic core. With about 30% of its surface exploration program complete and a new soil sampling campaign underway, Mercado is intensifying data collection to refine geophysical and geochemical models, potentially accelerating target generation and de-risking future drilling at Copalito.
More about Heartfield Mining Corp.
Mercado Minerals Ltd. is a silver-focused exploration company operating in Mexico’s emerging Western Silver Belt within the Sierra Madre Occidental mining district. Listed on the CSE under the symbol MERC, it is advancing multiple projects across more than 3,000 hectares, aiming to create shareholder value through disciplined exploration, strategic growth, and discovery-driven results.
Average Trading Volume: 93,280
Technical Sentiment Signal: Buy
For a thorough assessment of MERC stock, go to TipRanks’ Stock Analysis page.

