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Mud Tank, Alcoota Station, Central Desert Region, Northern Territory, Australia

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Latitude & Longitude (WGS84): 23° 0' 50'' South , 134° 16' 36'' East
Latitude & Longitude (decimal): -23.0138888889, 134.276944444

The Mud Tank collecting area is 6 km from Plenty Highway. This is a popular collecting spot, mostly for large zircon crystals, in a carbonatite. The Mud Tank carbonatite comprises at least four pipe-like bodies tending in a northeast-southwest direction. The outcrops form a series of low hills spread over 5km of which the most northerly is the most prominent. The most northerly was being mined for vermiculite recently, with collectors allowed to fossick on the dumps still.
Mud Tank is listed in many publications as Harts Range or Harts Range district but is in fact in the far eastern end of the Strangways Range, located on Alcoota Station.

It should be noted that many refer to the Strangway Ranges but the Geoscience Australian and the Northern Territory Government lists it as Strangways Range - see for example "Strangways Range region NT 1:100 000 geol map commentary - Sheets 5651/5751.

Mineral List

19 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

The above list contains all mineral locality references listed on 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 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.


B.M.England (1979) Pseudo-crystals of martite from the Mud Tank carbonatite, Strangway Range, Northern Territory, Australia. The Australian Mineralogist April 1979 pg. 144-146

Crohn, P.W. & Moore, D.H., (1984) The Mud Tank Carbonatite, Strangways Range, central Australia. BMR Journal of Australian Geology and Geophysics 9:1:13-18. Bureau of Mineral Resources, Geology and Geophysics, Canberra.

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