Zuun Mod

Porphyry copper (Cu-Mo) deposit in Bayanhongor, Mongolia

Names and other identifiers

Tract name Oyu Tolgoi (142pCu8506)
Included sites Khuvyn Khar
Site status deposit

Geographic location

Country Mongolia
State or province Bayanhongor
Geographic location 99.2196, 43.9824
Geologic map unit 99.2196, 43.9824
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Mo
Age determination method Geologic inference
Age range ~290 Ma (Variscan orogeny)
Age reference geologic inference
Minerals chalcopyrite, chrysocolla, malachite, molybdenite, pyrite
Associated rocks granodiorite, dacite porphyry, andesite, quartz monzonite, syenite
Tectonic setting island arc
Stratigraphic age Early Permian

Commodity and development information

Development status Prospect
Major commodities Mo, Cu
Tonnage (Mt) 650Mt
Cu grade (%) 0.063%
Mo grade (%) 0.046%
Contained copper 410,000t
Gold-Moly ratio -9999

Reference information

Comments Cut off grade of 0.03% Mo; inferred grade of about 150 g/t Re in concentrate. Discovered in 2002 by Harrods Minerals, at least 3 separate orebodies are present. Total of 128 drill holes, 2003–2011. Additional targets to the north and west have been identified, including Khuvyn Khar indicating at 34 m, 1.34% Cu and 9 g/t Ag from Erdene Resource Development Corp. (2013).
Study area name Central Asian Orogenic Belt
References Dejidmaa and others (2002); Clark and Baudry (2011); Erdene Resource Development Corp. (2013)
Site reference Mihalasky, Ludington, Hammarstrom, and others (2015)