Marimaca Copper Corp. engages in the acquisition, exploration, and development of mineral properties and projects in the United States and Chile. The company explores for copper, gold, and other base and precious metals. Its flagship project is the Marimaca Copper project located in the Antofagasta Region of Chile. The company was formerly known as Coro Mining Corp. and changed its name to Marimaca Copper Corp. in May 2020. Marimaca Copper Corp. was incorporated in 2004 and is headquartered in Toronto, Canada.