Birch Lake (Main Shear Zone)

概述

Massive tabular lenses in shear zone, disseminations, veinlets. 3 orebodies: Main Shear Zone, South Pyrite Zone 1,200 m from Main Shear Zone. North Zone is 1,500 m from Main Shear Zone. Juvenile volcanic arc.

地质背景

构造环境: Bimodal-mafic in oceanic arc

资源与开采

运营方: 0

投产年份: 1957

数据溯源

数据来源: USGS MRDS