 | | Journal (article/letter/editorial) | | Geokhimiya, 2010, Vol. 48, No. 9, pp. 917–925. Kaidun Meteorite: A Fragment of Crystalline Rock from a New...Abstract—Two sections subsequently sawed from meteorite fragment Kaidun #d(45)C were examined under an optical...microscope. The major minerals of the fragment are pigeonite and anorthite; the accessory minerals are spinels...other known meteorite samples and suggest that fragment d(45)C of the Kaidun meteorite represents a...1134/S0016702910090028 INTRODUCTION The Kaidun meteorite 850 g in total mass fell in Yemen (15°N and 48.3°E) on December |  | | Journal (article/letter/editorial) | | available online at http://meteoritics.org The Kaidun meteorite: Clasts of alkaline-rich fractionated materials...meteorites) and subalkaline rocks were found in the Kaidun meteorite. One of them (#d4A) is a large crystal of...INTRODUCTION The Kaidun meteorite is an extremely unusual heterogeneous breccia. Kaidun, as a whole, is...fragment was the first such material found in any meteorite (Ivanov and Ulyanov 1985). An EH fragment contains...found in nature (Ivanov et al. 2000b). Kaidun is a unique meteorite that has no known analogues. Undoubtedly |  | | Journal (article/letter/editorial) | | de/journals/chemerd INVITED REVIEW The Kaidun Microbreccia Meteorite: A Harvest from the Inner and Outer...of research into the complex Kaidun microbrecccia meteorite. This meteorite contains an unprecedented accumulation... The following well-known meteorite types are definitely present in Kaidun: EH3–5, EL3, CV3, CM1-2, and...and R chondrites. Also present in Kaidun are new C1 and C2 type lithologies, unique alkaline-enriched...materials have yet to be characterized. Obviously, the Kaidun parent object accumulated materials from across |  | Ivanov, A. V., Zolensky, M. E., Kononkova, N. N., Yang, S. V., Stroganov, I. A. (2006) Kaidun meteorite: Crystals of oxides in cavities. Geochemistry International, 44 (3) 249-257 doi:10.1134/s0016702906030037 | Journal (article/letter/editorial) | | in Geokhimiya, 2006, No. 3, pp. 284–292. Kaidun Meteorite: Crystals of Oxides in Cavities A. V. Ivanov*...texturally and genetically distinct clasts of the Kaidun meteorite were found out to contain crystals of distinct...low petrological types. The material of the Kaidun meteorite also shows numerous and diverse traces of...carbonatite veinlets, which were also found in the Kaidun meteorite [3, 4]. This paper presents a description...texturally and genetically distinct clasts of the Kaidun meteorite. The crystals notably differ in morphology |  | MacPherson, Glenn J., Mittlefehldt, David W., Lipschutz, Michael E., Clayton, Robert N., Bullock, Emma S., Ivanov, Andrei V., Mayeda, Toshiko K., Wang, Ming-Sheng (2009) The Kaidun chondrite breccia: Petrology, oxygen isotopes, and trace element abundances. Geochimica et Cosmochimica Acta, 73 (18) 5493-5511 doi:10.1016/j.gca.2009.06.012 | Journal (article/letter/editorial) | | (2009) 5493–5511 www.elsevier.com/locate/gca The Kaidun chondrite breccia: Petrology, oxygen isotopes,...of the Kaidun chondritic breccia reaffirm the complex polymict nature of this unique meteorite. Bulk Kaidun...aubrite. Yet, although each clast resembles a known meteorite group, all deviate in some respect from the norms...Collectively, Kaidun has sampled materials not yet represented in the world meteorite collections and...extend the definitions of known meteorite groups. Phyllosilicates in Kaidun span a very wide range in composition |  | | Journal (article/letter/editorial) | | Aubrites represent samples from a third enstatite meteorite parent body. 3. The aubrite parent body may have...Shallowater may be a sample from yet a fourth enstatite meteorite parent body. 6. Shallowater experienced a complex...reassembly. 7. It is unknown why some enstatite meteorite parent bodies melted (the aubrite and Shallowater...Tucson iron meteorite which had previously been thought to be related to the enstatite meteorite clan (Nehru...Kaczaral et al. (1988) suggested that all three meteorite types come from one parent body that was initially |  | BISCHOFF, Addi, HORSTMANN, Marian, PACK, Andreas, LAUBENSTEIN, Matthias, HABERER, Siegfried (2010) Asteroid 2008 TC3-Almahata Sitta: A spectacular breccia containing many different ureilitic and chondritic lithologies. Meteoritics & Planetary Science, 45 (10) 1638-1656 doi:10.1111/j.1945-5100.2010.01108.x | Journal (article/letter/editorial) | | Earth in northern Sudan on October 7, 2008. The meteorite named Almahata Sitta was classified as a polymict...most, if not all belong to the Almahata Sitta meteorite fall. The fragments can roughly be subdivided...lithological heterogeneity of the Almahata Sitta meteorite. Based on the findings presented in this study...of mostly small fragments were recovered. The meteorite called Almahata Sitta was classified as a polymict...(Jenniskens et al. 2009) based on the study of only one meteorite fragment from the strewn field. The analysis by |  | Visser, Robbin, John, Timm, Menneken, Martina, Patzek, Markus, Bischoff, Addi (2018) Temperature constraints by Raman spectroscopy of organic matter in volatile-rich clasts and carbonaceous chondrites. Geochimica et Cosmochimica Acta, 241. 38-55 doi:10.1016/j.gca.2018.08.037 | Journal (article/letter/editorial) | | lithologies are howardites. They belong to the HED meteorite group and contain eucrititc (crustal) and diogenetic...Examples of more complicated brecciated meteorites are Kaidun (e.g., Malysheva et al. 1986; Ivanov 1989; Zolensky...parent body and are mainly composed of olivine and pigeonite; carbon (graphite, lonsdalite, and microdiamonds)...material, are mainly composed of anorthite and pigeonite. Basically, polymict eucrites and howardites consist...samples is less pronounced than in Antarctic meteorite samples (Bland et al. 2006) where similar effects |  | ZOLENSKY, Michael, HERRIN, Jason, MIKOUCHI, Takashi, OHSUMI, Kazumasa, FRIEDRICH, Jon, STEELE, Andrew, RUMBLE, Douglas, FRIES, Marc, SANDFORD, Scott, MILAM, Stefanie, HAGIYA, Kenji, TAKEDA, Hiroshi, SATAKE, Wataru, KURIHARA, Taichi, COLBERT, Matthew, HANNA, Romy, MAISANO, Jessie, KETCHAM, Richard, GOODRICH, Cyrena, LE, Loan, ROBINSON, GeorgAnn, MARTINEZ, James, ROSS, Kent, JENNISKENS, Peter, SHADDAD, Muawia H. (2010) Mineralogy and petrography of the Almahata Sitta ureilite. Meteoritics & Planetary Science, 45 (10) 1618-1637 doi:10.1111/j.1945-5100.2010.01128.x | Journal (article/letter/editorial) | | analyses on 17 samples of the Almahata Sitta meteorite, identifying three main lithologies and several...kg-scale, at the g-scale this is not apparent. The meteorite is a polymict ureilite, with some intriguing features...is more abundant than compositionally defined pigeonite; however, we found that even the low-Ca pyroxene...has the monoclinic pigeonite crystal structure, and thus is properly termed pigeonite. As the major pyroxene...pyroxene in Almahata Sitta is pigeonite, and the abundance of pigeonite is generally greater than that |  | | Journal (article/letter/editorial) | | Society, 1997. Printed in USA. Mineralogy of meteorite groups ALANE. RUBIN Institute of Geophysics and...shocked ordinary chondrites. Secondary minerals in meteorite finds that formed during terrestrial weathering...numbers of meteorites (including members of new meteorite groups; Table 1) from hot and cold deserts, the...variations 23 1 A. E. Rubin 232 TABLEI . Meteorite classification. Chondrites Carbonaceous chondrites...Wasson and Kallemeyn, 1990). 233 Mineralogy of meteorite groups TABLE 2. Minerals in meteorites. ~~ ~ |  | | Journal (article/letter/editorial) | | the IMACNMNC, including 17 from the Allende CV3 meteorite (Ma, 2015a) and high-pressure phases such as bridgmanite...kaersutite ureyite omphacite orthopyroxene pigeonite potassic-chloro-hastingsite pyroxferroite rhodonite...perrierite perryite PGE-dominated alloys phlogopite pigeonite plagioclase plagionite platinum pleonaste portlandite...exsolution in chondrules during cooling: (1) Pigeonite and calcic pyroxene (augite) in clinoenstatite...sources plausibly responsible for the bulk of meteorite metamorphism and melting: (1) the decay of shortlived |  | | 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 fields. a l a n e . r u b i n is a meteorite researcher who recently retired from the University |  | | Journal (article/letter/editorial) | | Aubrites Shock effects Asteroidal parent bodies Meteorite breccias Impact melting Sinoite a b s t r a c...impact-melt globules and spherules. No single meteorite possesses all of these features, although many...aubrite-like clasts also occur in the polymict breccias Kaidun (a carbonaceous chondrite) and Almahata Sitta (an...(an anomalous ureilite). The EH and EL clasts in Kaidun appear unshocked; some clasts in Almahata Sitta...history (4.50–4.54 Ga ago); only one enstatite-rich meteorite (EH4 Bethune) appears to have been impact heated |  | Hazen, Robert M., Grew, Edward S., Downs, Robert T., Golden, Joshua, Hystad, Grethe (2015) MINERAL ECOLOGY: CHANCE AND NECESSITY IN THE MINERAL DIVERSITY OF TERRESTRIAL PLANETS. The Canadian Mineralogist, 53 (2) 295-324 doi:10.3749/canmin.1400086 | Journal (article/letter/editorial) | | an ultra-refractory inclusion in the Allende meteorite (Ma et al. 2014). It also appears inappropriate...1978), hapkeite (Fe2Si), FeSi, and FeSi2 in lunar meteorite Dhofar 280 (Anand et al. 2004), the latter two...Rationale Martian meteorite meteorites meteorite Allende meteorite Kaidun meteorite meteorites meteorites...meteorites Zaklodzie meteorite meteorites Allende meteorite Zaklodzie meteorite meteorites; crustal occurrence...Martian meteorite; crustal occurrence doubted Kaidun meteorite meteorites meteorites Lunar meteorite; ureilites |  | | Journal (article/letter/editorial) | | magnetite and pyrrhotite grains in the martian meteorite are of magnetotactic bacterial origin. A6 Meteoritics...exsolved augite. However, exsolution of the primary pigeonite (Wo,) has not proceeded very far: Augite lamellae...obtained from NASA; additional chips from each meteorite were examined petrographically at the Smithsonian...iron in a weathered sample of an equilibrated meteorite, with weight gains predicted for an unweathered...the carbonate globules present in the martian meteorite ALH 84001 have detected polycyclic aromatic hydrocarbons |  | | Journal (article/letter/editorial) | | St. Louis MO 63130, USA. The present state of meteorite chemistry as established by Wasson and Kallemeyn...including Mg, Si, Sr. the Earth lies close to CI meteorite as previously established. The estimate of si...ratios in the Earth's mantle. as well as on the meteorite trend permils us to estimate the composition of...difference in their relative abundances among meteorite classes reflects differences in the dust!gas ratio...HIGH-DENSITY INTERSTELLAR GRAPHITE FROM THE MURCHISON METEORITE. S. Amari 1.2, E. Zinner), and R. S. Lewis-, IMcDonnell |  | Kurat, Gero, Koeberl, Christian, Presper, Thomas, Brandstätter, Franz, Maurette, Michel (1994) Petrology and geochemistry of Antarctic micrometeorites. Geochimica et Cosmochimica Acta, 58 (18) 3879-3904 doi:10.1016/0016-7037(94)90369-7 | Journal (article/letter/editorial) | | Granite G-2 (USGS, GOVINDARAJU, 1984) and Allende meteorite powder (U.S. National Museum, JAROSEWICHet al...meteorites and even inferior to that of most meteorite components (e.g., chondrules). Several questions...unusual for CM chondrites, with the exception of Kaidun, a complex breccia of CM, CI, E, and other chondrites...indicating a carbonaceous chondrite heritage. A pigeonite grain in 3M6 has a chemical composition compatible...phase not found in meteo~tes but is found in meteorite fusion crusts (ENGRAND et al., 1993) and is of |  | | Journal (article/letter/editorial) | | (Dhofar 007) and noncumulated (NWA 011). Results: A meteorite shower, 37 pieces weighing a total of 21,270 g...(~0.5). Pyroxene is presented as two phases: pigeonite (FS~~-*, Wo3-'J and augite (FS=-~~. The ratio...metagabbroitic structure consisting of subhedral grains of pigeonite (0.5-0.6 mm) and plagioclase (0.05-0.1 mm). Accessories...Pyroxene is also presented here as two phases: pigeonite (Fs,-,, WO,~ and augite (Fs43-50.Wo30-38).The...REE pattern supports a cumulate type of this meteorite also. At the other side the data of NWA 011 are |  | | Journal (article/letter/editorial) | | calibration that might ultimately permit derivation of meteorite thermal histories by calorimetric thermometry...(Mundrabilla), C. B. Moore (Del Norte); and the Meteorite Working Group (PAT 91501; EET 83213 powder from...generally heavier compositionsof olivine (Fazl)and pigeonite (Ca,,7 Mg,3,zFe17,1) than the whole-rock value...Ordinary ureilites have been said to be olivine-pigeonite achonshow a correlation, but the effect of the...alteration, but the highly reduced nature of the meteorite phase implies that these two groups of meteorites |  | | Journal (article/letter/editorial) | | YEARS OF TERRESTRIAL RESIDENCE IN THE TATAHOUINE METEORITE. J. A. Barrat', Ph. Gilletz, Th. Heulin3, M. Lesourd4...analysis of the carbonates within the Tatahouine meteorite and the underlying ground confirm their terrestrial...were observed on the external surfaces of the meteorite fragments collected in 1994 and on gravels, gun...bacteria clusters from the soil in which the meteorite samples were embedded. This study emphasizes the...Houston TX 77058, USA. Introduction: Martian meteorite ALH 84001 (ALH) is a brecciated cumulate orthopyroxenite |  | | Journal (article/letter/editorial) | | sharp, but irregular interfaces with the host meteorite and have characteristics which suggest that formed...from hot deserts. The 26AI concentration in a meteorite depends upon different parameter like the exposure...analyzed sample and the terrestrial age of the meteorite. Our data contributes to the understanding of...production rate characteristic for the corresponding meteorite class. We do not find extremely low 26AI concentrations...order to reconstruct the irradiation history of a meteorite in detail, it is essential to analyze other cosmogenic |  | | Journal (article/letter/editorial) | | enveloping compound chondrule from the Allende meteorite. Sample Description: The enveloping compound chondrule...graphite grains extracted from the Murchison meteorite have a range of density (1.6–2.2 g/cm3) [1]. Low-density...separates (2.02–2.12 g/cm3) from the Orgueil meteorite [5]. Grains from KFB1 show two distinct populations:...heating procedure for two samples of the IIIB iron meteorite Grant (split BE-50) was performed to determine...required temperatures to fully degas an iron meteorite and to have an idea which temperature is needed |  | | Journal (article/letter/editorial) | | grid for electron microscopy. Large areas of meteorite matrix were scanned and checked for the occurrence...material into which they were mixed prior to meteorite compaction This is to be expected if the diamonds...TOWARD A BETTER UNDERSTANDING OF THE ASTEROID-METEORITE CONNECTION. J. F. Bell 1111, S. Murchiez, N. Izenbergz...sufficient accuracy to enable comparisons with major meteorite types. To achieve the latter goal, NEAR is equipped...address fundamental questions in asteroid and meteorite science. This presentation focuses primarily on |  | | Journal (article/letter/editorial) | | typically by a factor of 10 relative to the bulk meteorite and in more-or-Iess CI-like proportions. The rims...corundum and hibonite grains from the Murchison meteorite. Sachiko Amari, I.' Ernst Zinner I and Roy S....grains 3 to 15 Itm in size from the Murchison meteorite. We have extended this study to smaller grains...shown of these samples. We thank EUROMET for the meteorite samples. PALME H., SCHULTZ L., SPETTEL B., WEBER...Odessa (lAB) and Toluca (lAB). In the Cape York meteorite the differences in concentrations of Ni between |  | | Journal (article/letter/editorial) | | l6-m.y.-old structure formed by the impact of a meteorite with the Earth. The long history of geological...SEA (GSS), EGYPT: AN INTERESTING RESERVOIR OF METEORITE FINDS. A. A. Barakatl, V. de Michele,, G. R. Levi-DonatP...limited to a single occurrence in the Allende meteorite [5]. The C6, molecule is large enough to enclose...In Allende all of the Re and 0 s of the bulk meteorite is located in the acid (HC1-HF)-resistant residue...into account the terrestrial alteration of this meteorite, although these results must be considered as |
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