Argonaut Gold Inc. engages in the mining, mine development, and mineral exploration activities in North America. It primarily explores for gold and silver deposits. Its primary assets are the El Castillo mine and San Agustin mine, which together form the El Castillo Complex located in Durango, Mexico; the La Colorada mine located in Sonora, Mexico; and the Florida Canyon mine in Nevada, the United States. The company's advanced exploration projects include the Magino project located in Ontario, Canada; and the Cerro del Gallo project in Guanajuato, Mexico. In addition, it holds various other exploration stage projects located in North America. The company is based in Reno, Nevada.