 | Ma, Chi, Tschauner, Oliver, Beckett, John R., Liu, Yang, Greenberg, Eran, Prakapenka, Vitali B. (2019) Chenmingite, FeCr2O4 in the CaFe2O4-type structure, a shock-induced, high-pressure mineral in the Tissint martian meteorite. American Mineralogist, 104 (10) 1521-1525 doi:10.2138/am-2019-6999 | Journal (article/letter/editorial) | | Mineralogist, Volume 104, pages 1521â1525, 2019 Chenmingite, FeCr2O4 in the CaFe2O4-type structure, a shock-induced...shock-induced, high-pressure mineral in the Tissint martian meteorite Chi Ma1,*, Oliver Tschauner2, John R....Chicago, Illinois 60637, U.S.A. 1 Abstract Chenmingite (FeCr2O4; IMA 2017-036) is a high-pressure mineral...melt pockets, from the Tissint martian meteorite. The composition of type chenmingite by electron probe analysis... Synchrotron Xâray diffraction reveals that chenmingite has an orthorhombic Pnma CaFe2O4-type (CF) structure |  | | Report (issue) | | Chenmingite FeCr2O4 Crystal Data: Orthorhombic. Point Group: 2/m 2/m 2/m. long) within precursor chromite...= 9.49(7) Z=4 X-ray Powder Pattern: Tissint martian meteorite. 2.6724 (100), 2.3867 (49), 2.6374 (37)...98.92 (2) 67.90 32.10 . 100.00 (1) Tissint martian meteorite; average of 15 electron microprobe analyses...high pressure and high temperature during the Tissint impact event on Mars. Association: Chromite, xieite...Cr-rich ulvöspinel. Distribution: From the Tissint martian meteorite, an olivine-phyric shergottite. Name: |  | | Report (issue) | | 916(1) Z=4 X-Ray Diffraction Pattern: Suizhou meteorite. 2.675 (100), 1.953 (90), 1.566 (60), 1.337 (40)...0.55 2.71 57.46 6.07 0.92 99.53 (1) Suizhou meteorite; average electron microprobe analysis supplemented...Occurrence: In a shock vein in a L6 chondrite meteorite, formed by solid-state transformation of chromite...(Suizhou); chenmingite, chromite, Fe-Cr-rich ulvöspinel (Tissint). Distribution: In the Suizhou meteorite [TL]...[TL]. In the Tissint martian meteorite. Name: Honors Professor Xiande Xie, former president of the International |  | | Journal (article/letter/editorial) | | (CaAl2Si2O8-hollandite; Tschauner and Ma 2017b), and chenmingite (FeCr2O4-CF; Ma et al. 2018b). Pang et al. (2018...zagamiite riesite wangdaodeite hemleyite ice-VII chenmingite maohokite stöfflerite vestaite Formula (Ca,Na...schreyerite-type Type occurrence Reference Tissint shergottite Ma et al. (2015) Tissint shergottite Ma et al. (2016)...diamonds from Earthâs mantle Tschauner et al. (2018) Tissint shergottite Ma et al. (2018b) Xiuyan impact crater...2018) and the type machiite in the Murchison CM meteorite (Makide et al. 2013). This implies that machiite |  | | Journal (article/letter/editorial) | | 2017). In 2008, Dera et al. discovered that the meteorite mineral allabogdanite, Fe2P, is the result of...inclusions in diamond that imply a lower mantle source region is not always unambiguous. Brucite Brucite was...Recently stishovite was reported from a lunar meteorite (Kaneko et al. 2015). Presence of stishovite in...mineral that was found in the Shergotty and Zagami martian meteorites (Dera et al. 2002; El Goresy et al....for the peak shock pressures that the Shergotty meteorite had experienced prior ejection from Mars (Fritz |  | Huang, Shichun, Tschauner, Oliver, Yang, Shuying, Humayun, Munir, Liu, Wenjun, Gilbert Corder, Stephanie N., Bechtel, Hans A., Tischler, Jon (2020) HIMU geochemical signature originating from the transition zone. Earth and Planetary Science Letters, 542. 116323pp. doi:10.1016/j.epsl.2020.116323 | Journal (article/letter/editorial) | | circle in Fig. 1a. In the XRF map, it covers the region between â1765 and â1720 ÎŒm (Height) and X = â460...transmission spectrum (black) of diamond ONZiZ-74 over the region of nitrogen-related defect bands. Red: Fitted spectrum...these studies, we now show that the HIMU source region is located at the upper limit of the transition...Atlantic Ocean, may originate predominantly from this region of the mantle. Subduction during the closing of...shockmetamorphic, high-pressure mineral from the Zagami Martian meteorite. Meteorit. Planet. Sci. 53, 50â61. Ma, C. |  | | Book | | METEORITE MINERALOGY Meteorites are fascinating cosmic visitors. Using accessible language, this book...book documents the history of mineralogy and meteorite research, summarizes the mineralogical characteristics...photographs of meteorite minerals, and with an accompanying online list of meteorite minerals, this book...book provides a useful resource for meteorite researchers, terrestrial mineralogists, cosmochemists,...students in these ïŹelds. a l a n e . r u b i n is a meteorite researcher who recently retired from the University |
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