Big Onion: A supergene-altered porphyry copper-gold deposit, west-central British Columbia

Additonal authors: Stock, G.C.. Book title: Special Volume 46: Porphyry Deposits of the Northwestern Cordillera of North America. Chapter: Part B. Chapter title:

Special Volume, Vol. SV 46, 1995

Wojdak, P.

Big Onion is an inactive porphyry copper prospect located 16 km east of Smithers, British Columbia. It was explored during the 1960s and 1970s by a total of 16 708 m of core and rotary drilling. Recognition of supergene chalcocite in unsampled drill core
Keywords: Milling, Porphyry deposits, Mineral exploration, Copper mining, Molybdenum mining