Item talk:Q47997

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       "abstract": "I am a Research Geologist at the U.S. Geological Survey in Denver, CO. My areas of expertise include igneous petrology, economic geology, experimental petrology, geochemistry, and volcanology. I spearhead the melt inclusion analysis capabilities in the Denver Inclusion Analysis Laboratory."
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       "abstract": "I'm interested in applying melt inclusion studies and experimental petrology to learn more about how metals are concentrated and partition from magmas into ore-forming fluids that generate economic ore deposits.I am currently investigating: (1) magmatic contributions to iron oxide-rare earth element (IOA-RE) and iron oxide-copper-gold (IOCG) deposit genesis in the Missouri iron province, (2) concentrations and partitioning of Li in highly evolved rhyolites in the western US as a source for economic Li brines and clays, (3) quantifying critical elements (Li, W, REE) in rift related volcanic systems, and (4) testing the magmatic model for Carlin-type Au deposit genesis in Nevada. I recently completed a 5-year project entitled \"Magmas to Metals\" focused on melt inclusion and high-spatial resolution mineral geochemical analyses to explore igneous systems related to IOA-REE and IOCG mineralization in the St. Francois Mountains of SE Missouri.During my Ph.D. I used petrologic and geochemical methods to investigate the magmatic-hydrothermal transition at the porphyry-Cu-Mo deposit in Butte, Montana, and the crustal \"plumbing system\" of a stratovolcano in the Cascades.Recent StudentsNational Association of Geoscience Teachers-USGS Interns, 2018, 2014St. Lawrence University Summer Internship Program, 2017Denver Mayor's Program Intern, 2014Lunar & Planetary Institute Intern, 2011Denver Inclusion Analysis LaboratoryBruker Hyperion 3000 FTIR microscope interfaced with Vertex 70 FTIR spectrometer.For quantification and mapping of dissolved H and C species in volcanic glass or minerals.Melt inclusion preparation equipment.Leica binocular microscope, Nikon petrographic microscope, hot plates, grinding and polishing equipment.Rapid-quench cold-seal apparatii with computer-controlled pressure and temperature cycling.These devices are currentlyin developmentand will be well equipped for experimental studies of upper-crustal magmatic-hydrothermal processes up to ~2 kbar (200 MPa; equivalent to ~6 km depth in the Earth) and ~850\u00b0C.Ancillary experimental equipment.The lab also contains all necessary sample preparation and support equipment including a microwelder, microbalance, drying furnaces, etc."
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