Overview

Stratiform, massive, banded, one main lens gently pitching, down-faulted segment to west, smaller lenses to east; disseminated and stringer pyrite-chalcopyrite-sphalerite-galena, well-layered texture of sulfides and gangue, slump features, brecciation, replacement. Continental margin calc-alkaline affinity. Gossan present. East Thalanga, discovered in 1981, has 0.177 million t 3.2% Cu, 7.1% Zn, 1.5% Pb, 65 g/t Ag, 0.9 g/t Au (Beam and others, 1993).

Geological Context

Tectonic Setting: Siliciclastic-felsic in mature epicontinental arc

Resources & Operations

Operator: 622

Production Start: 1989

Data Provenance

Source: USGS MRDS

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