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Orestone's BB Showing on LaForce Property now traced over 1.5 km Length with Grades up to 17.7 g/T Au over 5 m. | Northern BC Business
Home » Mining » Orestone’s BB Showing on LaForce Property now traced over 1.5 km Length with Grades up to 17.7 g/T Au over 5 m.

Orestone’s BB Showing on LaForce Property now traced over 1.5 km Length with Grades up to 17.7 g/T Au over 5 m.

TSX-V: ORS September 11, 2008 – Results from recent work on Orestone’s 100% owned, 19,000 hectare LaForce Property have provided excellent follow-up gold assays on the BB Showing located about 20 km east of Northgate Minerals’ Kemess South copper-gold mine in northern British Columbia. Orestone completed a sampling program of available outcrops on the BB showing and carried out a reconnaissance exploration program on the remainder of the property. The clastic sediments hosting the gold mineralization at LaForce are likely correlative with Paleozoic to Mesozoic sediments within Quesnel Terrane, which are known to host significant gold mineralization elsewhere in the province. There is no public record of previous work ever having been done on the property.

Rush fire assays of 66 rock samples from the BB showing produced two highly anomalous samples of 17.7 g/T Au from a rock chip collected over 5 m and 10.6 g/T Au from a rock chip collected over 2 m. Both of the widths were measured across a pronounced foliation direction present throughout the structure and could be approximate true widths. The majority of the 66 samples were collected from the most intensely altered core of the structure and yielded results of less than 1g/T Au. The two high values were from samples collected 700 m apart on the southwest or hangingwall side of the structure.

The BB Showing is a fault-controlled quartz vein stockwork occurring in silica-sericite-carbonate altered meta-sediments with variable amounts of pyrite and minor chalcopyrite and galena. It trends northwest, dips 50 to 80 degrees southwest and measures 25 to 50 m wide. The structure is relatively well-exposed over the southeastern 600 m of its 1500 m strike length on a steep, northerly-facing mountain slope. It also outcrops across a 45 m width on a southeast facing mountain slope 500 m northwest of the well exposed area and it is present a further 400 m north on a ridge line.

The 17.7 and 10.6 g/T Au samples were both collected from moderately carbonate altered rock containing a few quartz veinlets and about one percent pyrite. The 10.6 g/T Au sample was taken within the 600 m-long well exposed area and is nearby two 2007 grab samples which yield values of 6.8 and 5.6 g/T Au. The 17.7 g/T Au sample occurs on the southeast-facing hillside at the southwest end of the exposed mineralized structure. From this location there are no exposures of the structure for 500 m to the southeast towards the well exposed zone and 400 m to the northwest where the structure is well exposed on the ridge as multiple zones containing grades of less than 1g/T Au.

A drill target has thus been developed over a 900 metre strike length using the distance between the two samples and adding 200 m for extensions under cover to the north and south. Orestone plans to drill this promising gold target in mid 2009. 
Elsewhere on the property, two other poorly exposed structures were evaluated by rock and MMI soil geochemical sampling. Results are expected this fall.

Orestone completed in late August an initial rock and soil sampling survey of it’s nearby Lay property where similar geology exists and regional geochemical samples contain anomalous values for gold and several pathfinder elements. Results are also expected this fall.

About Orestone
Orestone is presently exploring three large claim blocks in northern B.C. within Quesnel Terrane, which extends from the US border to northern B.C. Quesnel Terrane hosts numerous mines and many developing bulk tonnage Cu-Au prospects such as those on the Mt. Milligan and Kwanika properties in north-central B.C., as well as sediment-hosted gold mineralization on the Spanish Mountain and Frasergold properties in south-central B.C. For further information contact Gordon Richards, the President of Orestone, at (604) 940-6466 or Jim Mitchell, a director of Orestone, at 1-604-796-9893.

ON BEHALF OF THE BOARD OF DIRECTORS OF ORESTONE MINING CORP.

Gordon Richards
President

THE TSX VENTURE EXCHANGE HAS NOT REVIEWED AND DOES NOT ACCEPT RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE.

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Article source: https://www.orestone.ca/news/2008/orestones-bb-showing-on-laforce-property-now-traced-over-1.5-km-length-with-grades-up-to-17.7-g-t-au-over-5-m/

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