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Pascua Lama mine
Location: Andes Mountains, on the Chilean-Argentine border.
Products: Gold, Silver, Copper.
Owner: Barrick Gold.
The Mine life: The mine life is expected to be 25 years.
Deposite Type:
The gold, silver and copper mineralisation and alteration assemblages at Pascua-Lama are associated with a structurally controlled acid sulphate hydrothermal system hosted by intrusive and volcanic rock sequences of the Upper Palaeozoic and Middle Tertiary age. Alteration and mineralisation are of the high-sulphidation, epithermal type. Throughout the Pascua-Lama district, the alteration and mineralisation appear to have been strongly controlled by structure. This control is most evident along the Esperanza, Pedro and Quebrada de Pascua fault systems. As is typical with high-sulphidation epithermal deposits, the principal metal commodities at Pascua-Lama are gold and silver, the copper content is sub-economic.
<div class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify;">The presence of hypabyssal intrusive host rocks that are not related to mineralisation is unusual for high sulphidation deposits, making Pascua-Lama (along with Barrick’s Alto Chicama deposit in Peru, which is hosted by meta-sedimentary rocks) somewhat unique among deposits of this type.
Overview
<div class="MsoNormal"><span style="font-family: Philosopher; font-size: 14pt; line-height: 107%;"><span style="color: #ea9999;">Pascua-Lama is located at an altitude of 3,800m to 5,200m. The Chilean part of the mine constitutes 75%, while 25% is located in Argentina. The development activities of Pascua-Lama were stopped in April 2013, following a Chilean court's orders on issues of sanitation and violation of the Glacier monitoring plan. The Diaguita indigenous community filed a petition for the closure of the project. Barrick Gold's plea to reopen the project was rejected by a local appellate court in Copiap
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Pascua Lama mineLocation: Andes Mountains, on the Chilean-Argentine border.
Products: Gold, Silver, Copper.
Owner: Barrick Gold.
The Mine life: The mine life is expected to be 25 years.
Deposite Type:
The gold, silver and copper mineralisation and alteration assemblages at Pascua-Lama are associated with a structurally controlled acid sulphate hydrothermal system hosted by intrusive and volcanic rock sequences of the Upper Palaeozoic and Middle Tertiary age. Alteration and mineralisation are of the high-sulphidation, epithermal type. Throughout the Pascua-Lama district, the alteration and mineralisation appear to have been strongly controlled by structure. This control is most evident along the Esperanza, Pedro and Quebrada de Pascua fault systems. As is typical with high-sulphidation epithermal deposits, the principal metal commodities at Pascua-Lama are gold and silver, the copper content is sub-economic.
<div class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify;">The presence of hypabyssal intrusive host rocks that are not related to mineralisation is unusual for high sulphidation deposits, making Pascua-Lama (along with Barrick’s Alto Chicama deposit in Peru, which is hosted by meta-sedimentary rocks) somewhat unique among deposits of this type.
Overview
<div class="MsoNormal"><span style="font-family: Philosopher; font-size: 14pt; line-height: 107%;"><span style="color: #ea9999;">Pascua-Lama is located at an altitude of 3,800m to 5,200m. The Chilean part of the mine constitutes 75%, while 25% is located in Argentina. The development activities of Pascua-Lama were stopped in April 2013, following a Chilean court's orders on issues of sanitation and violation of the Glacier monitoring plan. The Diaguita indigenous community filed a petition for the closure of the project. Barrick Gold's plea to reopen the project was rejected by a local appellate court in Copiap
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