Conference Proceedings
World Gold '91, Cairns Qld, April 1991
Conference Proceedings
World Gold '91, Cairns Qld, April 1991
A Review of Current Exploration and Evaluation Practices in the Search for Gold in the Archaean of Western Australia
Ashton Mining Limited is the operator of two wholly-owned gold mine/mill complexes at Laverton and Leonora. In addition, Ashton owns 43% of the Bardoc Joint Venture mine/mill complex, which is operated by Aberfoyle Pty Limited. All three of these operations are located in the Eastern Goldfields region of Western Australia (Figure 1). At Laverton, milling capacity is in the order of 1 million tonnes per year in 3 mills (Duketon 200,000 tpa, Cork Tree Well 650,000 tpa and Craiggiemore 150,000 tpa). These mills service a distance of 80 km, from Baneygo in the north to Craiggiemore in the south._x000D_
Mineral tenements cover a 150 km long stretch of a series of sub-parallel mineralised structures. At Leonora, the Harbour Lights mill is designed to treat 750,000 tpa of sulphide ore, and has treated oxide ores at an annualised rate of over 1 million tonnes/year. The mill is supported by several tenement blocks that lie within a 50 km trucking radius of the mill._x000D_
The most important of these is the Mertondale tenement block, which covers approximately 25km of the Mertondale Shear Zone.
Mineral tenements cover a 150 km long stretch of a series of sub-parallel mineralised structures. At Leonora, the Harbour Lights mill is designed to treat 750,000 tpa of sulphide ore, and has treated oxide ores at an annualised rate of over 1 million tonnes/year. The mill is supported by several tenement blocks that lie within a 50 km trucking radius of the mill._x000D_
The most important of these is the Mertondale tenement block, which covers approximately 25km of the Mertondale Shear Zone.
Contributor(s):
R G Jeffery, D B Sampson, K M Seymour, I W Walker
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