American Manganese Inc., formerly Rocher Deboule Minerals Corporation, is a Canada-based exploration-stage company. The Company is engaged in the acquisition, exploration and development of interests in mineral resource projects in British Columbia, Canada and Arizona, the United States. The Company's segment is the exploration for and development of mineral property interests. The Company's Artillery Peak project includes over nine unpatented mineral claims covering approximately 180 acres. The Company's Rocher Deboule property consists of mineral claims covering approximately 10,230 hectares near Hazelton, British Columbia. Its Lonnie property is a niobium exploration property. The property covers approximately 3,477 hectares in the Omineca mining division of British Columbia. The Company also has Phosphate property, Silica property and Zeolite property in British Columbia. Rocher Manganese Inc. is the Company's subsidiary.