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Harry Creek Prospect (Harry Bore; Snake Well; Baldissera's Prospect; Iona), Strangways Range, Central Desert Region, Northern Territory, Australia

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Latitude & Longitude (WGS84): 23° 15' 0'' South , 134° 4' 59'' East
Latitude & Longitude (decimal): -23.25, 134.083333333

Copper (+Pb-Zn) associated with quartz-magnetite gneiss, and cummingtonite-grunerite schist, enclosed by gneiss to the north, and amphibolite to the south. Located 6 kilometres north-west of Harry Bore.

Country rock is migmatitic quartzofeldspathic gneiss, cordierite-feldspar gneiss, amphibolite, mafic granulite, grunerite-magnetite-quartz gneiss, and diopside marble.

Malachite is found in lenses of hematite-magnetite-cummingtonite-quartz rock along a length of 430 metres, and up to 35 metres wide. The lode dips 80 degrees north, striking north north-west, in altered sillimanite-sericite schists, with hematite and magnetite altered disseminated crystals in schist, or with quartz in the lode. Mineralisation is closely associated with amphibolite sills.

A 4 metre deep pit was dug in 1950 by prospector Joe Baldissera. The pit shows malachite and cuprite veinlets. Samples were submitted to Zinc Corporation, but when they tested the deposit themselves found it of poorer grades, than the samples, which had been selectively picked. This showed 0.4% Cu, 0.1% Pb, 6 g/t Au/Ag. Warren et al. however stated zinc could be up to 9.5%, although otherwise az very low value.

Mineral List

15 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

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Wilson, A. F. (1977) A zincian högbomite and some other högbomites from the Strangways Range, Central Australia. Mineralogical Magazine, Vol.41, pp. 337-44.

Clarke, D. (1971) Winnecke-Authority to Prospect 1721. Northern Territory Progress Report, Central Pacific Minerals N.L.

Pigott, G.F., McLennan, R.M. (1984) Exploration Licence 4420 - Sliding Rock Well. Annual Report to the Northern Territory Department of Mines and Energy for the period ending 18th October 1984, Australian Anglo American Limited.

Warren, R.G., Stewart, A.J., Shaw, R.D. (1974) Summary of Information on Mineral Deposits of the Arunta Complex, Alice Springs area, NT. Department of Minerals and Energy, Bureau of Mineral Resources, Geology and Geophysics, Record 1974/17.

Mineral and/or Locality  
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