The Mud Tank Carbonatite, Strangways Range, central Australia

The Mud Tank Carbonatite at the eastern end of the Strangways Range, about 100 km northeast of Alice Springs, was the first to be recognised in Australia. Crystalline carbonate rocks containing apatite, magnetite and zircon occur in a northeast-trending zone about 2 km long and up to 700 m wide, and in a second, much smaller, lens about 2 km to the southwest. The rocks show banding, owing to differences in texture and composition, and can be broadly divided into crystalline carbonate rocks with subordinate apatite, magnetite, phlogopite, chlorite, and soda-amphibole; foliated micaceous carbonate rocks rich in pale brown phlogopite; and feldspathic carbonate rocks with various amounts of sodic plagioclase, clinopyroxene, green-brown amphibole, and brown biotite. This last group is considered to be largely of hybrid origin. Calcite and dolomite occur in various proportions in all the rock types. Country rocks are schists and gneisses of the Early Proterozoic Arunta Block. Trace element concentrations, particularly of niobium and rare earths, are within established ranges for carbonatites, but well below economic values. On the other hand, zircon crystals of gem quality are present in the soil and colluvium overlying the carbonatite, and vermiculitic mica has developed in the weathered zone within about 40 m of the surface.

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Date (Publication)
1984-01-01T00:00:00
Date (Revision)
2019-04-08T05:52:38
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/81167

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Bureau of Mineral Resources, Geology and Geophysics

 Canberra
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Crohn, P.W.

 1
Author

Moore, D.H.

 2
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BMR Journal of Australian Geology and Geophysics

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9:1:13-18

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Commonwealth of Australia (Geoscience Australia)
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Commonwealth of Australia (Geoscience Australia)

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Australian and New Zealand Standard Research Classification (ANZSRC)

  • Earth Sciences

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Creative Commons Attribution 4.0 International Licence

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4.0

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License

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2018-11-01T00:00:00
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English
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Commonwealth of Australia (Geoscience Australia)

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Journal article (pdf)

Journal article (pdf)

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GA Publication

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Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

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urn:uuid/fae9173a-706c-71e4-e044-00144fdd4fa6

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English
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UTF8
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Commonwealth of Australia (Geoscience Australia)

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Name

AGSO BMR Journal

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Geoscience Australia - short identifier for metadata record with

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eCatId/81167

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https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/fae9173a-706c-71e4-e044-00144fdd4fa6

Date info (Revision)
2018-04-20T06:10:02
Date info (Creation)
2014-06-03T00:00:00

Metadata standard

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AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/122551

 
 

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