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Roger E. Summons

Roger E. Summons,  Professor
Earth, Atmospheric and Planetary Sciences,  MIT
Chemical Oceanography

biogeochemistry and geobiology with the following themes: lipid chemistry of geologically significant microbes and microbially dominated ecostsyems; organic and isotopic indicators of climate change, biotic evolution and mass extinction; age- and environment-diagnostic biomarkers in sediments and petroleum; Archean, Proterozoic and extraterrestrialbiogeochemical fossils