Shellabarger Pass
美国· Alaska未知
概述
Tonnage is probably over 0.3 million t @ 2% Cu, 1% Zn, <0.5% Pb, 2.5 g/t Au, 68 g/t Ag. Massive, 6 lenticular bodies, replacement in carbonate rocks, fracture fillings. Surface gossans. Passive continental margin. Tholeiitic to calc-alkaline.
地质背景
构造环境: Pelite-mafic in mature oceanic backarc
资源与开采
数据溯源
数据来源: USGS MRDS