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Found 3 results

  1. Oxytropidoceras
    The world's oldest fossils or oily gunk? Research suggests these 3.5 billion-year-old rocks don't contain signs of life Birger Rasmussen and Janet Muhling, PhysOrg, The Conversation. February 2, 2023 The world’s oldest fossils or oily gunk? New research suggests these 3.5 billion-year-old rocks don’t contain signs of life Birger Rasmussen and Janet Muhling, The Conversation A 3.5-billion year old Pilbara find is not the oldest fossil: so what is it? David Wacey and Martin Saunders, The conversation, April 2015 The open access paper is Birger Rasmussen et al, 2023, Organic carbon generation in 3.5-billion-year-old basalt-hosted seafloor hydrothermal vent systems, Science Advances (2023). DOI: 10.1126/sciadv.add7925 PDF file for above paper Yours, Paul H.
  2. Callahan

    C65F145E-BE2E-4492-B451-3CFA19051090

    Callahan posted a gallery image in Member Collections

    C65F145E-BE2E-4492-B451-3CFA19051090

    From the album: 39 years exploring Texas

    Most found west of ft worth. Some central tx
  3. Oxytropidoceras
    "Lost continent" found under Mauritius, Wits University, January 31, 2017 - Lava-covered piece of continent is an ancient remnant, left over from the break-up of the supercontinent, Gondwana, which started about 200 million years ago. https://www.wits.ac.za/news/latest-news/research-news/2017/2017-01/lost-continent-found-under-mauritius.html Long-lost continent found submerged deep under Indian Ocean New Scientist-Jan 31, 2017 https://www.newscientist.com/article/2119963-long-lost-continent-found-submerged-deep-under-indian-ocean/ The paper is: Ashwal, L. D., M. Wiedenbeck, and T. H. Torsvik, 2017, Archaean zircons in Miocene oceanic hotspot rocks establish ancient continental crust beneath Mauritius. Nature Communications. vol. 8, Article number: 14086 (2017) doi:10.1038/ncomms14086 http://www.nature.com/articles/ncomms14086 Yours, Paul H.
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