Tresoro Mining Corp., an exploration stage company, focuses on the exploration and development of gold deposits in Colombia. Guayabales Property The company has an option to acquire a 100% legal, beneficial, and registerable interest in and to certain mineral property concession interest, which are held by way of license (Guayabales Property). The Guayabales Property consists of 247.85 hectares in the Marmato Mining District of Caldas Department, Colombia. The property is located approximately 80 kilometers south of the city of Medellin. History The company was founded in 2004. It was incorporated under the laws of the state of Nevada in 2004 under the name Ancor Resources Inc. and changed its name to Nu-Mex Uranium Corp. in 2007. Further, the company changed its name to Uranium International Corp. in 2008; to Mercer Gold Corporation in 2010; and to Tresoro Mining Corp. in 2011.