Tapley

概述

Stockwork, dissemination. Emmons (1910) thought host is rhyolite breccia. Worked to 24 m depth. Extensional rift in post-arc setting. Reported assays from drill cores were 0.04% Zn and 0.01% Pb.

地质背景

构造环境: Siliciclastic-felsic in mature epicontinental arc

资源与开采

数据溯源

数据来源: USGS MRDS