Erdenet

Overview

Resources estimated 2004 (Gerel and Munkhtsengel, 2005). Reported: 1.4 to 74 ppb Au, 0.001 to 2.9 ppm Ag, 10 to 33 ppb Pt, 7 to 27 ppb Pd; average 164 ppm Re in molybdenite (Berzina and others, 2001, 2005) . Re-Os age of molybdenite is 240.4��8 Ma (Watanabe and Stein, 2000); Rb-Sr ages of I, II, and III phases of granodiorite porphyries are 253��18, 223��9 and 196��4 Ma, respectively (Berzina and others, 1999). Exposed.

Geological Context

Host Rock: breccia, andesite porphyry, andesitic dacite, aplite, dacite porphyry, diorite porphyry, felsite, felsite porphyry, granite porphyry, granodiorite porphyry, pegmatite, tonalite porphyry, trachyte porphyry (240?220 (Ar-Ar))

Resources & Operations

Operator: Erdenet Mining Corp.

Production Start: 1978

Data Provenance

Source: USGS MRDS | coordinate: Mindat