Rebekah Shepard. As a geobiologist I endeavor to discover and interpret signatures of these events in the rock records of Earth, and as an astrobiologist I search for evidence of life on other planetary bodies. I study how modern microbial mats form complex shapes, or morphologies, and the potential these morphologies have for becoming fossils. Lake Pavilion contains a diverse group of microbial mats that exhibit different morphologies and varying potentials for preservation. I am working to characterize and document these morphologies, as well as to understand how much control the microbes have over these final shapes.
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