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Sydney, July 3, 2007 AEST (ABN Newswire) - Results from a recently completed soil sampling programme have confirmed and extended the existing gold + arsenic + antimony (Au + As + Sb) anomalies at Truscott Mining's Eastern Creek project, north east of Nullagine in the East Pilbara Mineral Field of Western Australia.
Values of up to 163ppb Au, 3,870ppm As and 47ppm Sb have been recorded from the 223 sample programme on a broad 50m x 400m grid, with a number of infill lines to 200m spacing. The soil coverage now extends 6.8 kilometres north-south by 2.5 kilometres east-west, including samples taken in 2001 by a previous explorer. Targets defined by this work lie within a structurally complex northerly-trending broad corridor, comprising basalts of the Warrawoona Formation and overlying sediments of the Mosquito Creek Formation. The adjacent Mining Centres of Mt Elsie and Eastern Creek occur with Archaean rocks of the Warrawoona and Mosquito Creek Formations, respectively.
Several linear geochemical anomalies up to 2 kilometres long and several hundred metres wide overlie basaltic rocks in the north of the area (Figure 1). These are associated with alteration zones, quartz veining and gossanous outcrop and are subparallel to major structures recognised by the Geological Survey of Western Australia. Significant gold values of 50ppb and 68ppb Au occur on the northernmost lines and the anomalies remain open to the north.
The peak gold value of 163ppb Au occurs over northwesterly-trending splay fault within basalts, adjacent to the unconformity with Mosquito Creek sediments. Another gold anomaly is located 1.7 kilometres to the south in a similar structural setting, and closer to the unconformity contact. Both these targets appear to be structurally controlled, albeit with lower As and Sb levels than the northern anomalies.
A broad area of strong arsenic anomalism with values to 0.39% As has been defined in the southeastern portion of the soil grid over Mosquito Creek sediments. Gold values to 113ppb Au are associated with elevated arsenic, with the highest value occurring on the southernmost line and the anomaly remaining open to the south. Truscott Mining is encouraged by the fact that the tenor of these anomalies is similar to those associated with advanced prospects of other explorers within the Mosquito Creek Basin.
