
GR Silver Mining Commences 20,000 m Step-Out Drilling Campaign at San Marcial Accelerating the 2026 Resource Expansion Program
GR Silver Mining Ltd. kicked off a 20,000-metre step-out drilling campaign at its San Marcial project in Sinaloa, Mexico, aimed at expanding the 2026 resource base and upgrading the silver-lead-zinc resource. Early holes are underway to test extensions of known mineralization, supporting future resource updates and growth drilling objectives.


















