Tongyu

Overview

Au grade calculated. Deposit contains 31.26 t Au at 8-20 g/t Au (Geological Survey of Japan, 2007). Late Archean metamorphic complex (metavolcanics) at southern margin of the North China craton.

Geological Context

Tectonic Setting: Pelite-mafic in mature oceanic backarc

Resources & Operations

Data Provenance

Source: USGS MRDS