Information - IG1 Stable Isotopes in Geosciences - Open Session (include blocks of special interest)
Event Information
This session includes presentations of research for which stable isotopes are a major tool. Any subject in Geosciences is welcome and there is no restriction on which elements are examined as long as the focus is on stable isotopes. Within this session, blocks highlighting special subjects will be included. These special subjects are 1) Non-traditional isotopes, 2) Mass-independent fractionation (MIF), 3) Thermometry by Stable Isotopes, and 4) Metrology for Stable Isotopes.
Preliminary List of Solicited Speakers
Keynote speakers for the 'MIF-block (2)' are:
Mark Thiemens, with title for his presentation:
"Recent Mass Independent Isotopic Observations: South Pole and Early Solar System"
Hiroshi Ohmoto, with title for his presentation:
"The multiple sulfur isotope record of sedimentary rocks: an indicator of atmospheric, thermal and/or biological evolution of early Earth?"
[The currently popular theory linking the mass independently fractionated sulfur (MIF-S) in sedimentary rocks to the atmospheric evolution has been based on an assumption that atmospheric photochemical reactions are the only mechanisms to produce MIF-S. I will present lines of evidence (laboratory experiments, field data, theories) suggesting that MIF-S signatures in sedimentary rocks were mostly generated by thermochemical reduction of sulfate and sulfur by organic matter in certain sedimentary/hydrothermal environments.
Keynote speaker for the Thermometry by Stable Isotope block (3) is:
Markus Leuenberger
Keynote speaker for the Metrology for Stable isotope block (4) is:
Manfred Groening
Co-Sponsorship
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