TEM-EDS imaging and chemical analysis of OREX-803191-103
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TEM imaging and STEM-EDS elemental map analysis of OREX-803191-103 ultra-thin section. The analysis date is 18-19, 2, 2025. BF-TEM images, SAED patterns and STEM-EDS images and elemental maps were obtained using JEOL JEM-2100F TEM operated at 200 kV. Fine components of OREX-803191-103 identified by the analyses include GEMS-like materials, olivine, pyroxene, Fe-Ni sulfides, plagioclase, silica, Fe-Ni phosphide, and organic matter. A probable barred olivine (BO) chondrule fragment was also identified.
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Tsuchiyama, A., 2026. TEM-EDS imaging and chemical analysis of OREX-803191-103, Version 1.0. Astromaterials Data Archive. https://doi.org/10.60707/5e29-8668 Accessed 2026-03-16.
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This material is supported by NASA under contract NNM10AA11C issued through the New Frontiers program, JSPS KAKENHI grant numbers 20H00205 and 20H05846, and the government budget of Hayabusa2 extended mission.
