Chengmenshan

Overview

Yangtze River metallogenic belt. 153?142 Ma K-Ar biotite age of granodiorite porphyry; 120?118 Ma of main quartz porphyry.

Geological Context

Host Rock: andesite porphyry, breccia, granodiorite porphyry, monzogranite porphyry, quartz monzonite porphyry, quartz porphyry, skarn, tonalite porphyry (142.3��2.3 (Re-Os))

Resources & Operations

Operator: Jiangxi Copper

Mining Method: Open Pit

Production Start: 2002

Data Provenance

Source: USGS MRDS