Ansil

Overview

Massive sulfide, ellipsoidal, E-dipping, two main lenses interconnected with thinner interval of massive sulfides, west end is well banded to massive, east end is massive and capped by magnetite 10-35 m thick. Stringer zone beneath orebody consists of network of chlorite and disseminated and stringer sulfides and magnetite; magnetite has its own separate feeder zone. In contact between andesite and rhyolite. These volcanic rocks are transitional between tholeiitic and calc-alkaline, but closer to tholeiitic. Deepest deposit in the Noranda district and rich Cu grade.

Geological Context

Tectonic Setting: Bimodal-mafic in oceanic arc

Resources & Operations

Operator: 0

Production Start: 1989

Data Provenance

Source: USGS MRDS