Tapley

Overview

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.

Geological Context

Tectonic Setting: Siliciclastic-felsic in mature epicontinental arc

Resources & Operations

Data Provenance

Source: USGS MRDS