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Geological Formations

Ediacara Hills

Sedimentary and Stratigraphic Formations

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The Ediacara Hills are a range of low hills in the Flinders Ranges of South Australia where, in the 1940s, geologist Reginald Sprigg discovered impressions of soft bodied organisms in sandstone that proved to be among the oldest complex multicellular life yet found, roughly five hundred and fifty to six hundred million years old. The discovery gave its name to the Ediacaran period of geologic time and to the wider Ediacaran biota, the frond and disc shaped organisms that dominated Earth's oceans before the Cambrian explosion of animal life.

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