Porphyry copper deposit. Perhaps the world's largest as yet unmined copper and gold deposit, located near the southeastern border of Mongolia. Planned joint exploitation by Ivanhoe Mines Ltd (Canada) and Rio Tinto PLC (London) will have the capacity to produce up to 500,000 tons copper and 330,000 ounces gold annually for up to 40 years.
Five ore bodies are known in a N-S trending, 7 km long belt.
References
- Yikang Liu and Yebing Xu (2003): The prospecting and main features of Oyu Tolgoi porphyry Cu-Au deposit in Mongolia. Geology and Prospecting 39(1), 1-4.
- Singer, D.A., Berger, V.I., and Moring, B.C. (2008): Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. US Geological Survey Open-File Report 2008-1155.
- Mueller, A., Herrington, R., Armstrong, R., Seltmann, R., Kirwin, D.J., Stenina, N.G., and Kronz, A. (2010): Trace elements and cathodoluminescence of quartz in stockwork veins of Mongolian porphyry-style deposits. Mineralium Deposita 45, 707-727.
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