CHERTS AND GREENSTONE OF THE INDEPENDENCE FORMA- TION, CHERT, TUFF AND GREENSTONE OF THE SHOEMAKER FORMATION, AND GREENSTONE AND DIORITE OF THE OLD TOM FORMATION (UPPER PALEOZOIC/LOWER TRIASSIC) ARE CUT BY DIORITE TO GRANODIORITE DYKES AND SILLS OF THE OKANAGAN INTRUSIVE COMPLEX (JURASSIC). PYRITE, ARSENOPYRITE, PYRRHOTITE, CHALCOPYRITE AND SCHEELITE VARIOUSLY OCCUR IN CHERT-DACITE TUFF, DIORITIC DYKES, AND SKARN ZONES DEVELOPED WITHIN MARBLE BEDS.