First Tellurium Corp. engages in the acquisition, exploration, and evaluation of mineral properties in Canada. It primarily explores for silver, tellurium, gold, copper, tungsten, copper porphyry, bismuth, lead, zinc, and molybdenum. The company holds 50% interest in the Deer Horn Property covering 5,133 hectares located in north western British Columbia. It also has an option to acquire the Colorado Klondike Property located in south-central Colorado, the United States. The company was formerly known as Deer Horn Capital Inc. and changed its name to First Tellurium Corp. in 2021. First Tellurium Corp. was incorporated in 2004 and is headquartered in Delta, Canada.