Key Data:
Location
Near Potosi, Concepción and Santa Lucía cantons, Bolivia
Ownership
Coeur d'Alene Mines Corporation
Geology Type
Ordovician to Silurian continental clastic and shallow marine sedimentary rocks, and locally Cretaceous continental clastic rocks
Mineral Type
Silicified rhyodacite and quartz-tourmaline
Reserve Base
Probable reserves of about 38Mt, at a grade of 124.8g/t
Annual Production
About 9Moz
Processing Method
Grinding agitation leaching, counter-current decantation and zinc precipitation
Key Equipment:
Open Pit
Cat 962G wheel loaders, Cat D8R dozers, Cat 14H grader and Cat 330 excavator
Processing Plant
Delkor South America CCD thickeners, Outokumpu technology leach agitators, SAG and ball Mill, and Merrill Crowe plant and refinery
Engineering:
Contractor
Fluor Corporation