Madam Elvira
Located in the mining district of Morococha, department of Junín, Peru; The average height is 4,370 meters above sea level. The project is close to the operations center of the Austria Duvaz underground mine in Morococha and involves the exploration and development of the Madam Elvira concession.
The deposit has replacement mineralization in sub_horizontal mantles of up to 10 meters of power; characterized by the high concentration of arsenical copper (enargite), strata and serpentine lenses with sulfosal contents, (tetraedrite and tenantite) and primary sulfides such as chalcopyrite, galena, sphalerite, bornite, and covelite.
The mineralized mantle is located in limestone rocks of the Pucará group, with discontinuities and jumps (horts) due to tectonic faults and are in contact with Permian volcanic rocks and porphyritic intrusive species in depth.
Madam Elvira is a very advanced mining project; In the exploration phase, diamond drillings were made on the surface and inside the mine to determine the morphology and dimensions of the mantle; the reserves and resources were calculated through the development of pilot excavations (galleries, chimneys and chambers) obtaining 10,630 TMS of ore, 3.28% Cu, 0.87% Zn and 2.16 Oz Ag / TM, and treated in the concentrator plant. Puquiococha, where 978 MT of concentrate was recovered with 32.50% Cu, 3.00% Zn and 20.00 Oz / MT and in contaminants 9.00 As% and 1.80 Sb%.