Josemaria Resources Inc., through its subsidiaries, engages in the acquisition, exploration, and development of mineral properties in South America. The company explores for copper, gold, and silver deposits. It holds 100% interests in Josemaria project located in the San Juan province, Argentina. The company was formerly known as NGEx Resources Inc. and changed its name to Josemaria Resources Inc. in July 2019. Josemaria Resources Inc. was incorporated in 1983 and is headquartered in Vancouver, Canada. As of April 28, 2022, Josemaria Resources Inc. operates as a subsidiary of Lundin Mining Corporation.