Petaquilla Minerals Limited operates in the Gold ores sector. Petaquilla Minerals Ltd. (Petaquilla), incorporated on October 10, 1985, is engaged in the mining and mineral exploration of gold-bearing mineral properties in Panama. The Company's primary focus is the production of gold from its open pit mine at its Molejon gold project, as well as the exploration of a number of its adjacent mineral concessions in the Republic of Panama. With the exception of its Molejon gold project, which has reached commercial production, all of the Company's other properties are in the exploration-stage, as of May 31, 2011. As of May 31, 2011, Petaquilla produced approximately 55,566 ounces of gold and stockpiled an additional 25,088 ounces of gold for its future leach pad project. As of May 31, 2011, the Company had 19 subsidiaries and one joint venture interest. In our complete report available for purchase the company is compared to: Atna Resources Ltd., Starcore International Mines Limited and Caledonia Mining Corporation.