Australia Pacific -
Henty
The Henty underground gold mine is located in glaciated mountainous terrain in the upper Henty Valley on the West Coast of Tasmania, adjacent to the Southwest Conservation Area. The nearest main towns are Tullah, 23 kilometers to the north, Rosebery, 10 kilometers to the north, Zeehan, 19 kilometers to the west and Queenstown, 23 kilometers to the south.
Mining methods used at Henty vary according to the ore body geometry and geotechnical characteristics of the ore body and host rock, with main mining methods being longhole bench stoping, transverse open stoping and flatbacking (cut and fill). Stopes are filled with either paste fill or mullock. Process plant comprises of a single stage sag mill. Ore is processed using a leach circuit.
In 2007, production from Henty totaled approximately 70,000 ounces of gold at total cash costs of $372 per ounce1. Proven and probable mineral reserves as of December 31, 2007 are estimated at 148,000 ounces of gold2.
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