2017 production: 7.5 million ounces of silver and 55,950 ounces of gold
The San Jose mine was commissioned in July 2011 and began commercial production in September 2011 at a rate of 1,000 tpd. In September of 2013, the mill was expanded from 1,150 tpd to 1,800 tpd and in April 2014, the mill was further expanded to 2,000 tpd without incurring in additional capital investments. Expansion of the mill from 2,000 tpd to 3,000 tpd was initiated in the first quarter of 2015 and successfully commissioned on time and under budget in July 2016.
San Jose is located in the Taviche Mining District (Latitude 16° 41' 40" N, Longitude: 96° 42' 00" W) in the southern portion of the state of Oaxaca, approximately 47 road kilometers (one hour drive) south of the city of Oaxaca. Access to the property is excellent and local infrastructure is good.
Geology and Mineralization
The San Jose deposit is a low sulfidation epithermal vein system characterized by mineralized multiphase quartz-carbonate-sulfide veins, hydrothermal breccias and stockwork veining. The mineralized system is hosted within a sequence of Tertiary andesitic volcanic and volcaniclastic rocks.