Eva Nessenius: Formation of Planet Earth - Origin of the Moon   
   
      (Great Barrier Reef, Australia: symbolic image for biomineralisation in oceans)
        (Creative Commons License 4.0 by Wikimedia commons "User:LBM 1948")

    Biogenic origins on the early earth
    I invite you to free reading of my preprint article on Earth-Arxif:  

      eartharxiv.org/repository/view/9116/