Synchrotron X-Ray Microprobe and Microspectroscopy Research in Low Temperature Geochemistry

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The project focuses on low temperature geochemistry applications of X-ray fluorescence microprobes primarily at the National Synchrotron Light Source (NSLS-I) but also at National Synchrotron Light Source II (NSLS-II), Brookhaven National Laboratory (BNL), Upton, NY. The microprobes can be used to determine the composition, structure, oxidation state, and bonding characteristics of earth materials with trace element sensitivity and micrometer spatial resolution. Investigators on this project are members of the Center for Advanced Radiation Sources (CARS) at the University of Chicago, a team that developed and managed the highly-successful microprobe beamline X26A at the National Synchrotron Light Source I (NSLS-I) at BNL from the 1980s untilthe closing of NSLS-I in September 2014. The closing of NSLS-I coincided with the start-up of the newly-constructed, 3rd-generation synchrotron NSLS-II, also at BNL. During the course of this project, a subaward was let to the University of Kentucky to partially support the efforts of a technician at the beamlines.