Laochang

Overview

Cu grade 0.11 percent. Reserve 1.2 million t Pb+Zn, 100,000 t Cu, 2,000 t Ag (Geological Survey of Japan, 2007). Concordant brecciated massive sulfide lens ?50 m thick. Late Paleozoic Changning-Menglian back-arc basin.

Geological Context

Tectonic Setting: Mafic in primitive oceanic backarc

Resources & Operations

Data Provenance

Source: USGS MRDS