Big Bull
加拿大· British Columbia未知
概述
Lens, massive, fine-grained. Plunges NW beneath Mt. Manville. Ore is open at depth. Production + reserves + geologic resources: 0.71 million t @ 1.19% Cu, 7.16% Zn, 1.87% Pb, 154 g/t Ag, 5.0 g/t Au (open at depth).
地质背景
构造环境: Bimodal-felsic in epicontinental arc
资源与开采
投产年份: 1951
数据溯源
数据来源: USGS MRDS