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Entia Valley, Ambalindum Station, Harts Range (Harts Ranges; Hartz Range; Hartz Ranges), Central Desert Region, Northern Territory, Australia

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Latitude & Longitude (WGS84): 23° 18' 18'' South , 135° 16' 25'' East
Latitude & Longitude (decimal): -23.30510,135.27380
Köppen climate type:BWh : Hot deserts climate


High grade metamorphic Precambrian rocks occur in this area situated to east and southeast of Harts Range Police Station.

There is actually no formally defined "Entia valley" locality. There is a geologic dome called the Entia dome which has a "brain"-like pattern covering around 160 sq kms (see satellite map. This area is located between approximately 134.55°E and 135.25°E and 23.00°S and 23.30°S. The "valley" area immediately to the south of this is what is commonly known as "Entia valley".

It is an area well known amongst collectors for quartz crystals, especially sceptres.

The Entia Valley, or geological Entia Dome, covers much of the eastern Harts Range. Within this are a number of small historic mica mines, and gemstone deposits. Specimens from the area for various reasons are often labelled just 'Entia Valley', rather than the specific deposit, prospect or mine they came from. See Ambalindum Station main heading for access details.

Mineral List


13 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

Quaternary
0 - 2.588 Ma



ID: 766978
colluvium 38491

Age: Pleistocene (0 - 2.588 Ma)

Description: Colluvium and/or residual deposits, sheetwash, talus, scree; boulder, gravel, sand; may include minor alluvial or sand plain deposits, local calcrete and reworked laterite

Comments: regolith; synthesis of multiple published descriptions

Lithology: Regolith

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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McColl, D. (2002) Quartz Scepter Crystals from the Entia Valley, Harts Range, Central Australia. Mineralogical Record, 33(6), 515.

Mineral and/or Locality  
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