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Callanna group

geology

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geologic history of Australia

  • Map showing the country of Australia divided into its states and territories with major cities and surrounding bodies of water, including the Indian Ocean, Coral Sea, Tasman Sea, and Pacific Ocean.
    In Australia: The Precambrian

    The early Adelaidean Callanna and Burra groups are confined to troughs faulted down into basement. A sheet of sedimentary deposits at the base of the Callanna group was cut by faults into rift valleys that filled with basic volcanic rocks and evaporitic sediment and carbonate rock. The succeeding…

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