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Idaho National Laboratory is hiring a Postdoctoral Research Associate in geology, geochemistry, or a comparable discipline for the Department of Critical Minerals & Geothermal Energy within the Energy and Environment Science and Technology directorate. The research focuses on the mineralogy, geochemistry, and petrogenesis of rare earth element (REE), thorium (Th), and uranium (U) mineralization in mineral deposits and tailings. The researcher will use laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) and other microanalytical techniques to determine where critical metals reside in complex, multi-mineral assemblages. The position is based at the Minerals, Materials, and Metallurgy (M³) Laboratory in Idaho Falls and follows a 9x80 schedule, with every other Friday off. The researcher reports to Dr. Paul Slezak and works with university collaborators and INL geoscientists, metallurgists, and chemists. They will plan and conduct geological and geochemical field studies and collect samples, including surface samples and drill core from active exploration and mining programs. Sample suites will cover different deposit styles and alteration types, as well as tailings. The researcher will collect, compile, organize, and interpret data, and propose additional data collection. Work includes characterizing samples through X-ray diffraction, petrography, electron probe microanalysis, LA-ICP-MS spot analysis and elemental mapping, and whole-rock geochemistry. The researcher will integrate the results into deposit-wide elemental deportment models identifying mineral species. These models will guide the design of beneficiation circuits for complex feedstocks, including tailings, and support the development of INL's geoscience and geometallurgy capabilities in critical minerals. The postdoctoral researcher will contribute to an interdisciplinary R&D team, write scientific manuscripts for journal publication, and present results at national and international conferences and meetings. They will also contribute to invention disclosures, help develop follow-on proposals, and represent the Department through programmatic and technical presentations to sponsors and peers.
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Job Type
Full-time
Career Level
Entry Level
Education Level
Ph.D. or professional degree

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