The Department of Earth and Environmental Sciences currently has four main research themes: co-evolution of life and Earth, coastal sedimentary systems, geobiology, and marine geophysics.

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Recent Submissions

  • Emerging biogeochemical views of Earth's ancient microbial worlds 

    Lyons, Timothy W.; Fike, David A.; Zerkle, Aubrey Lea (2015-12-01) - Journal article
    Microbial processes dominate geochemical cycles at and near the Earth’s surface today. Their role was even greater in the past, with microbes being the dominant life form for the first 90% of Earth’s history. Most of their ...
  • Sulfur isotope values in the sulfidic Frasassi cave system, central Italy : a case study of a chemolithotrophic S-based ecosystem 

    Zerkle, Aubrey Lea; Jones, Daniel; Farquhar, James; Macalady, Jennifer (2016-01-15) - Journal article
    Sulfide oxidation forms a critical step in the global sulfur cycle, although this process is notoriously difficult to constrain due to the multiple pathways and highly reactive intermediates involved. Multiple sulfur ...
  • Layering in peralkaline magmas, Ilímaussaq Complex, S Greenland 

    Hunt, Emma J.; Finch, Adrian A.; Donaldson, Colin H. (2017-01) - Journal article
    The peralkaline to agpaitic Ilímaussaq Complex, S. Greenland, displays spectacular macrorhythmic (> 5 m) layering via the kakortokite (agpaitic nepheline syenite), which outcrops as the lowest exposed rocks in the complex. ...
  • Influence of glaciation on mechanisms of mineral weathering in two high Arctic catchments 

    Hindshaw, Ruth; Heaton, Tim H.E.; Boyd, Eric S.; Lindsay, Melody L.; Tipper, Edward Thomas (2016-01-20) - Journal article
    Abstract In order to investigate the effect of glaciation on mineral weathering, the stream water chemistry and the bacterial community composition were analysed in two catchments containing nominally identical sedimentary ...
  • Quantitative modeling of the rise in atmospheric oxygen 

    Claire, Mark (University of Washington, 2008-08-01) - Image
    The abrupt rise of molecular oxygen in Earth’s atmosphere approximately 2.4 billion years ago was perhaps the most profound event in Earth’s history after the evolution of life itself. Biogeochemical cycles in Earth’s ...

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