VANCOUVER, British Columbia, July 28, 2011 /PRNewswire/ -- Enertopia Corporation (ENRT-OTCBB) (TOP-CNSX) (the "Company" or "Enertopia") is pleased to report that the assay sample results from the initial site visit for Copper Hills, New Mexico have been received. A site visit was performed on May 14, 2011 on Enertopia's Copper Hills project covering 56 located mining claims over 1,150 acres which is located approximately 45 miles west of Socorro, New Mexico on BLM lands. Six samples were collected from four area locations, and analysed by Skyline Laboratories, an ISO accredited facility based in Tucson Arizona, for copper and silver.