Orvana Minerals Corp. is a Canada-based multi-mine gold and copper production company. The Company's operating properties consist of El Valle Mine (El Valle), which is an underground gold-copper-silver mine with process facilities that produce a copper concentrate and gold dore, located in the northern part of Spain, and Don Mario Mine (Don Mario), which is an open-pit gold-copper-silver mine with process facilities that produce both copper and gold concentrates, located in...