Argonaut Gold, Inc. is a Canada-based gold mining company. The Company is engaged in exploration, mine development and production activities on gold-bearing properties in Mexico and Canada. The Company�s primary gold assets are the El Castillo Mine (Durango, Mexico), the La Colorada Mine (Sonora, Mexico), the exploration stage San Antonio project (State of Baja California Sur, Mexico), the exploration stage project Magino (Ontario, Canada), and the exploration-stage San Agustin project, the exploration-stage La Fortuna Project (Durango, Mexico) and gold exploration projects located in the Sonora Mojave Megashear. The Company also has several exploration stage projects, which are located in North America. El Castillo is the Company�s open pit, heap leach gold mine located to the north of the state capital Durango. El Castillo consists of approximately 1.23 million ounces of proven and probable gold reserves and approximately 1.7 million ounces of measured and indicated resources.