Great Panther Mining Ltd is a precious metals mining and exploration company. The company operates three mines, including the Tucano Gold Mine in Amapa State, Brazil, and two primary silver mines in Mexico: the Guanajuato Mine Complex (GMC) and the Topia Mine. Its Coricancha segment contains the net assets associated with Coricancha and the Corporate segment provides financial, human resources, and technical support to the three mining operations and Coricancha. The GMC operation produces silver and gold in concentrate, and the Topia operation produces silver, gold, lead, and zinc in concentrate for refining off-site. The Tucano operation produces gold dore. It generates the majority of its revenue from Brazil.