Additional roles for microbes: do microbes incrust invertebrates (bryozoa), alter exoskeletal mineralogy and possibly affect the sedimentary record?

MORRIS, Penny A.1, SOULE, Dorothy F.2, FORREST, Rebecca1, and DONNER, Wolfgang3, (1) Natural Science, Univ of Houston Downtown, 1 Main St, Houston, TX 77002, [email protected], (2) Hancock Institute for Marine Studies, Univ of Southern California, Los Angeles, CA 90089-0371, (3) Department of Physics, Univ of Houston, 617 Science and Research Bldg 1, Room 515E, Houston, TX 77204-5005 Microbes, which are ubiquitous in the terrestrial environment, are the most ancient forms of life on Earth. With the development of a diverse invertebrate fauna, new substrates became available for microbial colonization, thus affecting the complexity of the communities. The complex microbial-invertebrate communities can form distinctive signatures that are different from the earlier geological record.

It is this distinctive record that is the focus of our recent work. A high resolution scanning electron microscope, an energy dispersive x-ray spectroscopy (EDS), and x-ray diffraction (XRD) system ... more.

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