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Arkaroola Bore, Arkaroola Region (Arkaroola Station), North Flinders Ranges, Flinders Ranges, South Australia, Australia

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Latitude & Longitude (WGS84): 30° 17' 17'' South , 139° 21' 15'' East
Latitude & Longitude (decimal): -30.28806,139.35417
Köppen climate type:BSh : Hot semi-arid (steppe) climate


Located in a gully, this locality consists of outcropping hydrothermally-altered and weathered Wooltana volcanics containing veins and pockets of zeolites, calcite and crystallised ilmenite. Fibrous and splintery actinolite is abundant. Stilbite is present as both cream-white and deep orange clusters of crystals, and the locality has produced the best zeolite specimens in South Australia.
For many years an opaque, white, radiating zeolite infilling stilbite-lined vughs was identified as pectolite (e.g. in Coats and Blissett 1971) or mesolite, however, analysis of the mineral by Dr. Allan Pring in 1987 confirmed the species as scolecite (Australian Mineralogist, Vol.2, No. 2. pg. 34).


Mineral List


15 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cryogenian
635 - 720 Ma



ID: 717615
Emeroo Subgroup

Age: Cryogenian (635 - 720 Ma)

Stratigraphic Name: Emeroo Subgroup

Description: Quartzite, sandstone, dolomite, conglomerate

Comments: sedimentary siliciclastic; synthesis of multiple published descriptions

Lithology: Sedimentary siliciclastic

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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Coats, R.P. & Blissett, A.H. (1971) Regional and Economic Geology of the Mount Painter Province. Geological Survey of South Australia, Bulletin 43, 426pp.
Noble R.J., Just J. and Johnson J. E., (1983), Catalogue of South Australian Minerals-1983, Government Printer, Adelaide, South Australia.
Murphy, P. C. and Murphy, J. N. (1988): Fossicking for minerals in the Arkaroola Bore area, South Australia. Osmond Earth Sciences, 44 p.

Mineral and/or Locality  
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