en.Wedoany.com Reported - Zacatecas Silver Corp. has released an updated mineral resource estimate (MRE) for its Esperanza gold project located in the state of Morelos, Mexico, showing a 21% increase in gold equivalent (AuEq) ounces in the measured and indicated category. The technical report, prepared by P&E Mining Consultants Inc., represents a significant resource upgrade compared to the previous estimate published in late 2022.

Following this update, the open-pit constrained measured and indicated resources have risen to 45.4 million tonnes at an average grade of 0.79 grams per tonne gold equivalent, equivalent to 1.15 million ounces of gold equivalent, including 1.11 million ounces of gold and 12.37 million ounces of silver. Inferred resources increased by 28% in tonnage to 11.2 million tonnes at a grade of 0.57 grams per tonne gold equivalent, representing 206,000 ounces of gold equivalent.

The company stated that the grade of the Esperanza deposit is significantly higher than the global average for similar open-pit heap leach projects (approximately 0.7 grams per tonne gold), placing this Mexican deposit in the top quartile globally. Additionally, the richest mineralized zones are located near the surface, with gold grades reaching 0.89 grams per tonne in the areas with the highest drilling density within the measured resource category.

Zacatecas Silver CEO Eric Vanderleeuw noted that the combination of high-grade shallow mineralization, a geometry favorable for a low strip ratio, and the use of conventional metallurgical processes (with expected gold recovery of 75% and silver recovery of 25%) will help create an efficient, low-cost, low-capital-intensity operation. Based on these results, the company has commissioned P&E Mining Consultants to formally initiate a preliminary economic assessment (PEA) for the project.

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