Niblack
美国· Alaska未知
概述
Minimum tonnage: 2.5 million t @ 1.7% Cu, 3.2% Zn, 3.0 g/t Au, 40 g/t Ag. Prince of Wale Island, massive sulfide lenses, stringer zones in several stratigraphic horizons. Lookout Zone 150 m downdip from main sulfide trend. Lookout Zone open in all directions.
地质背景
构造环境: Bimodal-felsic in epicontinental arc
资源与开采
投产年份: 1905
数据溯源
数据来源: USGS MRDS