VANCOUVER, BRITISH COLUMBIA -- (Marketwired) -- 08/29/13 -- Expedition Mining Inc. (TSX VENTURE: EXU) (the "Company") is pleased to provide this update on the 2013 exploration programs within the Walker Lane Mineral Belt.
LONG CANYON PROPERTY
Expedition wishes to announce that with the posting of a reclamation bond with the Nevada BLM office, the permitting process for the mechanical trenching program on the Long Canyon property has been completed. The Company is finalizing the work program and expects to begin work within the next 30 days.
This property consists of 37 unpatented lode claims located 200 kms southeast of Reno and 16 kms southeast of the community of Mina, Nevada. Previous rock sampling has returned gold values up to 1.7 g/t over 3 m, and up to 9.7 g/t gold and 529 g/t silver in grab samples. The property hosts an extensive siliceous zone containing strongly anomalous mercury (to 155,000 ppm), antimony (to 987 ppm) and arsenic (to 2,790 ppm) values.
Mapping has identified several structural trends associated with multi-element soil anomalies. These structural zones trend dominantly north-northeast and northwest, and intersect beneath the extensive siliceous zone which occupies the central portion of the property. The north-northeast trend is characterized by swarms of narrow quartz veins with a general northerly orientation and subvertical dip. These veins range from less than 1cm to greater than 1m in thickness. At least two of these NNE zones have been identified to date. Veins within the NW trending zone show a greater variation in dip attitude from -45 to vertical, and are generally oriented sub-parallel to the northwest trending Walker Lane belt.
Structurally the Long Canyon project area is dominated by strands of the Walker Lane Fault Zone. Arcuate splays from the main faults trend east-west across the property and are exposed in many of the drainages. The northerly trending structures extend through the Pilot Mountains to the north, and are covered by pediment fans to the south. The intersections of these structural zones are believed to be important localizing features for the mineralization encountered at the Bellville Mine and the deposits in the Douglas Camp to the west.
Rock sampling in early 2013 confirmed the values reported by earlier sampling and includes up to 1.16 g/t gold over 5m within a northwest trending shear zone. Compilation of the mapping, geophysical and geochemical data was completed while waiting for the trenching permit. This work confirmed that the anomalous geochemistry is predominantly associated with the structural zones, the intersection of which are co-incident with the IP targets generated by the historical survey.
The Long Canyon project is situated in southeastern Mineral County and is flanked by several well known historical mining districts. The Pilot Mountains to the north have a long history of mercury production, followed by tungsten mining along the eastern edge of the range. The former producing Belleville Mine 8 kms north of Long Canyon reportedly produced around 100,000 oz to 1939 from 2 quartz veins.
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