GR Silver Mining Reports 15,147 g/t Silver Concentrate Grade After Processing Underground Bulk Sample from the San Juan Area
GR Silver Mining Ltd. (TSXV: GRSL) (FRANKFURT: GPE) (OTCQB: GRSLF) (“GR Silver Mining” or the “Company”) – is pleased to report positive preliminary metallurgical test work results after processing a 2,700 tonne bulk sample excavated from the San Juan Area underground development – San Juan Vein & Breccia (“Bulk Sample”) at the Plomosas Silver Project (Figure 1), Sinaloa, Mexico.