The key permits are in place and there is existing infrastructure, the company reports.
Resource expansion drilling is also underway at the San Marcial property, 5 km south of Plomosas. The numbers were updated in 2020 to contain 7.6 million indicated tonnes grading 117 g/t silver, 0.5% zinc, 0.3% lead (or 147 g/t silver equivalent). The inferred portion is 3.4 million tonnes at 91 g/t silver, 0.4% zinc, and 0.1% lead (108 g/t silver equivalent).
GR Silver controls portions of the Rosario mining district of Mexico, site of world class precious metals mines, most notably the Rosario gold-silver mine that produced for 250 years. The Plomosas underground mine was in production from 1986 to 2001. GR Silver acquired it from First Majestic Silver (TSX: FR; NYSE: AG) in March 2020.
(This article first appeared in the Canadian Mining Journal)
