Hellyer

Overview

Mound-shape, massive sulfide, 800 m N-NE, 200 m E-SE, 80 m thickness, pyrite stockwork and base metal stringers. Banded, recrystallized, reworked (fragmental), silica-pyrite and barite cap. Footwall alteration 200 m wide, 550 m below ore horizon, hanging wall alteration of fuchsite-calcite extends 100 m above central part of orebody. Fault cuts deposit at acute angle and displaces the eastern block 130 m N. Extensional basin in an arc-continental collision zone.

Geological Context

Tectonic Setting: Siliciclastic-felsic in mature epicontinental arc

Resources & Operations

Production Start: 1989

Data Provenance

Source: USGS MRDS