VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 09/29/11 -- Orestone Mining Corp. (TSX VENTURE: ORS) is pleased to announce that additional surface exploration has been completed on its 100% owned LaForce Project. The project consists of 47 square kilometers located approximately 20 kilometers east of Northgate Minerals' Kemesss copper-gold mine in northern British Columbia. The program consisted of geological mapping and sampling with the objective of better defining and expanding the known gold showings.
Previous surface work by Orestone has defined a zone of gold mineralization that has a strike length of more than 2 kilometers with widths up to 50 meters. Mineralization discovered to date is typically found within moderately to locally well-developed quartz stockwork/vein zones hosted by strongly pyritized and silica-sericite altered clastic sediments. These zones of quartz veins up to 20 cm wide carry variable amounts of pyrite, listwanite and minor chalcopyrite and lesser galena and may in part be stratabound.
Highlights of previous surface sample programs include 17.7 g/t gold over a 5 meter width and 10.6 g/t gold over a 2 meter width. These two samples were collected 700 meters apart along strike of the interpreted mineralized zone and are located at the hanging wall contact of the structure. Additional rock and soil sampling show the potential for the zone over a strike length of 2 kilometers.
There has been no exploration conducted on the LaForce project since 2008 and along with furthering the understanding of the project's potential, the new management of Orestone will use the information gathered during this program to assist in developing a more comprehensive exploration plan for the 2012 exploration season.
The LaForce project falls within the Quesnel Terrane and straddles the contact between an Early Jurassic batholith of monzonitic to quartz dioritic composition in the west and Upper Triassic Takla Group basic to intermediate flows, breccias and tuffs and minor sedimentary rocks in the east.
Ross Zawada, P. Geo., is a qualified person under the NI 43-101 guidelines and has reviewed the technical content of this news release.
Orestone Mining Corp. is a Canadian-based company managed by mining industry professionals. The Company is headquartered in Vancouver, British Columbia, and controls a portfolio of gold and gold-copper exploration projects totaling more than 700 square kilometers.
ON BEHALF OF ORESTONE MINING CORP.
David Hottman, President and CEO
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this News Release. This news release has been prepared by management and no regulatory authority has approved or disapproved the information contained herein.
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