Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 1 of 1 for “"early evolution; nitrogen isotopes; Precambrian; selenium isotopes; sulfur isotopes"”.
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Early evolution of environments and metabolism: insights from nitrogen, selenium and sulfur isotopes
The evolution of planet Earth and its biosphere are tightly linked through global biogeochemical cycles, and this dissertation seeks to explore this linkage during the Precambrian with new strategies and geochemical techniques. The first chapter is the result of a group project in which we propose …