Conference Proceedings
Gold Mining, Metallurgy and Geology, Kalgoorlie
Conference Proceedings
Gold Mining, Metallurgy and Geology, Kalgoorlie
A Case Study into the Treatment of Low Grade Austalian Gold Ores Heap Leaching vs Carbon-in-Pulp
In the past few years an elevated gold price has resulted in the evaluation of many small scale surface gold deposits in Australia typically containing about 2-3 g/t Au._x000D_
Operators have tended to assume that at the lower end of the grade spectrum only heap leaching is economically possible whereas above some assumed "cut-off" grade, carbon-in-pulp or similar techniques can be considered to have economic advantages._x000D_
Studies made on a number of these prospects has indicated that this rather arbitary choice of treatment method can be mis- leading._x000D_
A case study has been prepared assuming a "typical" situation and is presented. The deposit contains three million tonnes of ore assaying 3 g/t Au and is amenable to open pit mining methods. The mine site is remote but accessable and existing infrastructure is minimal. There are no unusual environmental constraints.
Operators have tended to assume that at the lower end of the grade spectrum only heap leaching is economically possible whereas above some assumed "cut-off" grade, carbon-in-pulp or similar techniques can be considered to have economic advantages._x000D_
Studies made on a number of these prospects has indicated that this rather arbitary choice of treatment method can be mis- leading._x000D_
A case study has been prepared assuming a "typical" situation and is presented. The deposit contains three million tonnes of ore assaying 3 g/t Au and is amenable to open pit mining methods. The mine site is remote but accessable and existing infrastructure is minimal. There are no unusual environmental constraints.
Contributor(s):
A Battaglene, M J Noakes, T V Willsteed
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- Published: 1984
- PDF Size: 0.834 Mb.
- Unique ID: P198404001