Formerly operated as the Shila mine from 1989 to 2005, Lucero consists of 10,805 hectares located in the Chila mountain range of Southern Peru, which contains several historic high-grade Au-Ag mines that were operated from the late 1980s to 2005 with small-scale artisanal mining ongoing since 2005.

Lucero consistently delivered high-grades during its past years of commercial operations, and between 1998 and 2005 reported annual production averaging approximately 20,000 ounces of gold and 435,000 ounces of silver per year at grades of 14.7 g/t gold and 450 g/t silver, with recoveries at the ore processing facility averaging 94.5% for gold and 85.5% for silver.