Entrée Resources Ltd. is a Canadian mineral exploration and development company primarily focused on base and precious metals. The company's flagship asset is its 20% or 30% carried participating interest in the Entrée/Oyu Tolgoi joint venture in Mongolia, which includes the Hugo North Extension copper-gold deposit and the Heruga copper-gold-molybdenum deposit. This joint venture property forms an integral part of the world-class Oyu Tolgoi mining complex, which is managed by Rio Tinto. In addition to its Mongolian assets, Entrée holds a 56.53% interest in the Blue Rose joint venture in South Australia and a royalty interest on the Cañariaco copper project in Peru. The company operates as a single business segment dedicated to the exploration and development of mineral property interests.