Argonaut Gold Inc. is engaged in gold mining, mine development and mineral exploration activities at gold-bearing mineral properties in North America. The Company's segments are El Castillo, La Colorada, San Antonio, Magino, and Corporate and other. It owns the producing El Castillo mine in the State of Durango, Mexico; the producing La Colorada mine in the State of Sonora, Mexico; the advanced exploration-stage San Antonio property in the State of Baja California Sur, Mexico; the advanced exploration-stage Magino property in the Province of Ontario, Canada; the advanced exploration-stage San Agustin property located approximately 10 kilometers from the El Castillo mine in the State of Durango, Mexico, and various other exploration stage projects, all of which are located in North America. Its producing El Castillo mine and the advanced exploration-stage San Agustin projects are reported in the El Castillo segment. It operates in the mining industry and its principal product is gold.