Suffield

Overview

Massive, stockwork. Norton, Adams, A, and B zones. Norton zone is 121 m long (N-S), 46 m wide, 2.4 to 4.6 m thick. Adams zone is 152 m long (N-S), 40 m wide, 3 to 9 m thick. A zone is 274 m long, 46 to 76 m wide, 1.8 to 6 m thick. B zone is 152 m long, 46 m wide, and 3 m thick. Resource 0.907 million t @ 1.28% Cu, 6.45% Zn, 0.59% Pb, 0.62 g/t Au, 82 g/t Ag (1951), open. Production 1863-1959: 0.56 million t @ 0.8% Cu, 6.5% Zn, 0.45% Pb, 0.24 g/t Au, 85.7 g/t Ag.

Geological Context

Tectonic Setting: Bimodal-mafic in oceanic arc

Resources & Operations

Production Start: 1863

Data Provenance

Source: USGS MRDS