Rio Tinto’s Mongolian Gold Mine

- 2012-10-22T08:30:51Z

Photograph by Paula Bronstein/Getty Images

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Pit of Gold

The Oyu Tolgoi mine in Mongolia's Gobi Desert is one of the world's biggest copper and gold discoveries, and is due to start commercial operation during the first half of 2013.

The mine is part-owned by Rio Tinto and the Mongolian government; the latter wants to increase its ownership in the project and in turn boost its share of the billions of dollars in predicted revenue.

Left, trucks move ore at the open pit mining area as a rainstorm approaches at Oyu Tolgoi on Oct. 11, 2012.