Conference Proceedings
Fifth International Mining Geology Conference
Conference Proceedings
Fifth International Mining Geology Conference
Geology, Mining and Grade Control at the Wemen North Mineral Sands Deposit
Despite mineral sand occurrences having been noted since the 1970s, the Wemen North Mine is the first operation to commence commercial mining within the inland Murray Basin. The deposit was discovered in the 1990s and, following lengthy resource development, mining commenced in 2001. This initial mine was established as a pilot operation to test the commercial viability of mining in the Murray Basin, with subsequent expansions planned if the mine proves successful. The deposit lies beneath arable farmland close to the Murray River and is hosted by Pliocene marine sands, with a geometry resembling a classical beach strand placer. The operation utilises traditional dry mining overburden removal techniques, with ore mining carried out using a floating dredge and concentrator. This paper looks at the geology of the Wemen North deposit, the mining techniques and challenges as well as grade control practices employed to mine this palaeo-beach placer deposit.
Contributor(s):
D Whitworth
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- Published: 2003
- PDF Size: 0.486 Mb.
- Unique ID: P200308017