Overview

One of the world's largest porphyry Cu-Au deposits. Closed since 1989 due to civil conflict.

Geological Context

Host Rock: Diorite porphyry (Pliocene)

Tectonic Setting: Island arc

Geological Province: Solomon Islands Arc

Metallogenic Belt: Southeast Asian Porphyry Belt

Operator: 188

Mining Method: Open Pit

Production Start: 1972

Source: RTZ reports; Clark (1990)

Last Verified: 2025-12-01

References: