GR Silver Mining Ltd unveils bonanza silver intercept of up to 10,777 grams per ton at La Colorada vein in the San Juan area of Plomosas project
The company intersected 9 metres (m) at 946 grams per ton (g/t) silver equivalent from 170 m, including 0.65 m at 10,777 g/t silver equivalent from 176.9 m