Bisbee

Overview

1956?1975 open pit and underground production 96.3 Mt at 1.14% Cu, 0.057 g/t Au, and 1.63 g/t Ag; 2004 heap leach resource 250.3 Mt at 0.47% Cu.

Geological Context

Host Rock: breccia, quartz feldspar porphyry, quartz porphyry (180)

Resources & Operations

Production Start: 1885

Data Provenance

Source: USGS MRDS