GR Silver Mining Ltd. engages in the acquisition, exploration, and development of mineral resource properties in the United States and Mexico. It controls approximately 250 square kilometer exploration concessions in the Rosario Mining District, Sinaloa, Mexico. The company explores for gold, silver, lead, zinc. Its flagship project is the San Marcial Project that consists of 1,250 hectares located in the Rosario Mining District. The company was formerly known as Goldplay Exploration Ltd. and changed its name to GR Silver Mining Ltd. in January 2020. GR Silver Mining Ltd. was founded in 2012 and is headquartered in Vancouver, Canada.