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:


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