Xstrata Copper selected Hatch to produce a prefeasibility study for the El Morro copper-gold mine project in north-central Chile as part of the staged program to complete the evaluation of the property.
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The Gualcamayo project is located in the San Juan province of Argentina. It is situated between 1,600m and 2,600m elevation within a semi-arid zone of the Andean Precordillera. The project is wholly owned by Minas Argentinas S.A., a subsidiary of Yamana Gold Inc.
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The expected gold reserves are 3.6 million ounces; 29.3 million tonnes at 3.7 g/t and is open on strike and at depth. The startup is expected in the first quarter of 2010.
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The new facility consisted of primary and secondary crushing, ore storage, reclaim to dry grinding,
whole ore roasting, gas cleaning, carbon-in-leach with carbon stripping and gold refining. Also included were tailings
treatment and disposal.
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Pueblo Viejo has significant amounts of zinc (2.6 billion pounds), copper (358 million pounds) and silver
(88 million ounces) contained within the gold reserves.
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