Yes, dynamiting. To continue operations in areas depleted by alluvial mining (i.e. extracting gravel, crushed stone, sand and clay from stream bed deposits), CEMEX is seeking county approval to ...

Mineros S.A. (TSX:MSA, MINEROS:CB) (“Mineros” or the “Company”) is pleased to announce updated Mineral Resource and Mineral Reserve ( ...

Alluvial gold at Nechí is assumed to be 89% ... Overburden removal with suction dredges or "Brazilian" suction dredges. Gravel removal with dredges. Size classification and gravimetric gold ...