Search for dissertations about: "Sean McMahon"

Found 1 swedish dissertation containing the words Sean McMahon.

2. 1. Untangling ambiguities in the microbial fossil record : experimental abiotic and biological approaches

   Author : Sigrid Huld; Anna Neubeck; Sebastian Willman; Sean McMahon; Barbara Cavalazzi; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; chemical gardens; pseudofossils; experimental mineralisation; microbial fossils; methanogens;

   Abstract : Life on early earth has long been the topic of discussion for many researchers: how did it come to be? Which cells came first? Where can we find them? The most ancient rocks on our planet may hold some of the answers to these questions, but many may only be answered in laboratories. Chemical and morphological traces can be found from Archaean deposits, tantalisingly similar to modern day prokaryotes. READ MORE