Bitter Springs (fossil locality)

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Bitter Springs Group
Stratigraphic range: Cryogenian-Tonian 896–767Ma
Type Geological formation
Sub-units Gillen Formation, Loves Creek Formation, Johnnys Creek Formation [1]
Primary Chert
Region Amadeus Basin
Country Australia

Bitter Springs is a Precambrian fossil locality in Australia, which preserves microorganisms in silica.[2] Its preservational mode ceased in the late Precambrian with the advent of silicifying organisms.[3]

Preserved fossils include cyanobacteria microfossils [4]. This locality also has been claimed to contain eukaryotic green algae[5] preservation, though this interpretation is debated.


  1. ^ Haines, P.W.; Allen, H.J. (2017). "Geological reconnaissance of the southern Murraba Basin, Western Australia: revised stratigraphic position within the Centralian Superbasin and hydrocarbon potential Geological Survey of Western Australia". Geological Survey of Western Australia,.
  2. ^ Schopf, J.W. (1 May 1968). "Microflora of the Bitter Springs Formation, Late Precambrian, Central Australia". Journal of Paleontology. 42 (3): 651–688. Retrieved 2008-07-01.
  3. ^ Butterfield, Nicholas J. (2003). "Exceptional Fossil Preservation and the Cambrian Explosion". Integrative and Comparative Biology. 43 (1): 166–177. doi:10.1093/icb/43.1.166. PMID 21680421.
  4. ^ Schopf, J. William (2012). Ecology of cyanobacteria II. "The fossil record of cyanobacteria.". Netherlands: Springer. pp. 15-36.
  5. ^ Barghoorn, Elso S.; Schopf, J. William (15 Oct 1965). "Microorganisms from the Late Precambrian of Central Australia Science". 150 (3694): 337–339. doi:10.1126/science.150.3694.337.

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Coordinates: 23°32′34″S 134°27′26″E / 23.5427°S 134.4572°E / -23.5427; 134.4572