Browsing Geological Sciences Theses and Dissertations by Author "Watkins, James"


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  • Baker, Evan (University of Oregon, 2015-08-18)
    Carbon and oxygen isotopes in calcite crystals provide a record of the environmental conditions under which the crystals formed. To investigate the influence of temperature, pH, and growth rate on isotope discrimination ...
  • Olsen, Ellen (University of Oregon, 2024-01-09)
    The oxygen isotopic composition of calcite is widely used in paleoclimate studies to infer the temperatures of carbonate formation across a wide range of geologic environments including hydrothermal veins, caves, lakes, ...
  • Ball, Madison (University of Oregon, 2017-09-06)
    Magmas experiencing pressure changes can follow equilibrium or nonequilibrium degassing paths that determine the rate of gas exsolution and the composition of gases exsolved. Many variables influence timescales of equilibration ...

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