Research Interests
The bulk of my doctoral research has been devoted to developing and implementing methods for processing and analyzing Mo isotopes. Primarily, the Mo-isotope proxy is used to assess water-column redox conditions, both in the recent ( Chesapeake Bay, with Dr. George Helz) and distant past (Pliocene–Pleistocene Mediterranean sapropels). While my own interest lies in the realm of paleoenvironments and paleoceanography, we have exploited the novelty of the Mo proxy by extending it to systems beyond the sedimentary, including iron meteorites (with Dr. Richard Walker), high-temperature fractionation experiments (with Michael Mengason and the LMDR), and biological fractionation (with Dr. Aubrey Zerkle). We have implemented a double-spiking technique and have been able to successfully analyze a wide variety of materials, including seawater, organic-rich sediments, carbonate sediments, and shales.
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KATHLEEN D. SCHEIDERICH