The chalcopyrite is commonly associated magnetite and pyrite. Copper sulphide mineralization in JDD002W1 is associated with increased chlorite-magnetite alteration which overprints earlier potassic (k ...

Isolated pyrite+chalcopyrite veins replacing magnetite with associated pervasive k-spar alteration proximal to chlorite shear within TH21-12. Sample# 42261 from 113.35m to 114.35m containing 0.75% ...