Langlois

Canada· QuebecUnknown
Contained Copper
—
Average Grade
—
Deposit Type
VMS — Bimodal-Mafic
Discovery Year
1979

Overview

Zones 3, 4, and 97 are within 500 m of each other. Zones 3 and 4 are defined. Zone 97 is open at depth. Grevet B is 3 km away. Production plus reserves: 29.17 million t @ 0.43% Cu, 7.66% Zn, 0.1% Pb, 0.037 g/t Au, 33.2 g/t Ag (verification needed, may be more than one deposit). Grevet B reserves 0.477 million t @ 0.58% Cu, 9.67% Zn, 24 g/t Ag. Grevet M reserves 6.2 million t @ 0.48% Cu, 8.65% Zn, 0.1% Pb, 34 g/t Ag. Closed in 2000 due to operating problems.

Geological Context

Tectonic Setting: Bimodal-mafic in oceanic arc

Resources & Operations

Production Start: 1996

Data Provenance

Source: USGS MRDS