Item talk:Q47997
From geokb
orcid:
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usgs_staff_profile:
meta: status_code: 200 timestamp: '2023-09-30T16:59:22.319676' url: https://www.usgs.gov/staff-profiles/celestine-mercer profile: abstracts: [] affiliations: [] education: - Ph.D., Geological Sciences, University of Oregon, 2009 - B.A., Physics, Oberlin College, 2002 email: cmercer@usgs.gov expertise_terms: - mineral resources - inclusions honors: [] intro_statements: - 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. name: Celestine Mercer name_qualifier: null orcid: 0000-0001-8359-4147 organization_link: https://www.usgs.gov/centers/gggsc organization_name: Geology, Geophysics, and Geochemistry Science Center personal_statement: "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\xB0C.Ancillary experimental\ \ equipment.The lab also contains all necessary sample preparation and support\ \ equipment including a microwelder, microbalance, drying furnaces, etc." professional_experience: - Postdoctoral Fellow at the Lunar and Planetary Institute in Houston, TX, where I studied the petrogenesis of the Moon by examining lunar returned samples including a newly found lunar meteorite. - Visiting Professor at Colorado College from 2009-2010 where I taught Introductory Geology, Planetary Geology, Petrology, and "Bubbling Magmas, Hot Springs, and Colorado's Premier Ore Deposits". title: Research Geologist