First known Cretaceous glaciation: Livingston Tillite Member of the Cadna‐owie Formation, South Australia

  title={First known Cretaceous glaciation: Livingston Tillite Member of the Cadna‐owie Formation, South Australia},
  author={Neville F. Alley and Lawrence A. Frakes},
  journal={Australian Journal of Earth Sciences},
  pages={139 - 144}
  • N. Alley, L. Frakes
  • Published 1 April 2003
  • Geology, Environmental Science
  • Australian Journal of Earth Sciences
A 2 m‐thick diamictite occurs near the base of the Cretaceous Eromanga Basin succession at Trinity Well, at the northern extremity of the Flinders Ranges in South Australia. The diamictite consists of a matrix of silt‐ and clay‐size particles and a framework of sand and coarser materials up to small boulder size. Scanning electron microscope study reveals the presence of numerous quartz grains displaying extreme angularity and surface textures attributed to glacial crushing. Sandy sediments… 
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