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RB 90/00017 Early Cambrian Andamooka Limestone and Yarrawurta Shale of the Stuart Shelf.
Published: 01 Feb 1990 Created: 07 Nov 2024 Revised: 07 Nov 2024
Author: Cowley, W.M.

Early Cambrian (Atdabanian to Botomian) sediments, known from limited outcrop and over 70 drillhole intercepts, are divided into the Andamooka Limestone, including the Curdlawidny Siltstone Member, and the overlying Yarrawurta Shale. The Andamooka...

Early Cambrian (Atdabanian to Botomian) sediments, known from limited outcrop and over 70 drillhole intercepts, are divided into the Andamooka Limestone, including the Curdlawidny Siltstone Member, and the overlying Yarrawurta Shale. The Andamooka Limestone comprises up to 166 m of dolomitised peritidal to subtidal limestone deposited in an open shelf environment. It is only locally fossiliferous. The Curdlawidny Siltstone Member (up to 25 m thick) and Yarrawurta Shale (up to 90 m thick) represent intertidal sedimentation of unfossiliferous terrigenous clastic sediments. Previous correlations with the Adelaide Geosyncline are supported and refined. Economic potential is low.

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Record No rb9000017
Topic Geoscientific Information
Type of Resource Document
Category Type
Document Type Departmental Publication - Geological Survey Geoscience Publication
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Tenement
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Geological Province
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Stratigraphy
Commodity
    Notes 
    Geographic Locality: Andamooka;Lake Torrens;Yarra Wurta Cliff;Parakylia;Red Lake
Doc No: RB 90/00017
Drillhole: Amoco Minerals DDH SCYW-79-1a;(20829)
    Geographic Locality: Andamooka;Lake Torrens;Yarra Wurta Cliff;Parakylia;Red Lake
Doc No: RB 90/00017
Drillhole: Amoco Minerals DDH SCYW-79-1a;(20829)
    Language English
    Metadata Standard ISO 19115-3

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    Use constraints License
    License Creative Commons Attribution 4.0
    Persistent identifier https://pid.sarig.sa.gov.au/document/rb9000017
    Citation Cowley, W.M. 1990. RB 90/00017 Early Cambrian Andamooka Limestone and Yarrawurta Shale of the Stuart Shelf. Departmental Publication - Geological Survey Geoscience Publication. Government of South Australia.
    https://pid.sarig.sa.gov.au/document/rb9000017

    Technical information

    Status
    Maintenance and Update Frequency
    Geographic Reference GDA2020 (EPSG:7844)
    Geo bounding box {"type":"Polygon","coordinates":[[[136,-31],[137.5,-31],[137.5,-29.5],[136,-29.5],[136,-31]]]}
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