 | | Journal (article/letter/editorial) | | Ti2O3, a new refractory mineral from the Allende meteorite Chi Ma* and GeorGe r. rossMan Division of...Tistarite, ideally Ti2O3, is a new member of the corundum-hematite group. It is found as one subhedral crystal...(TiC), rutile, and corundum crystals within a chondrule from the Allende meteorite. The mean chemical...oxide, Allende meteorite introduCtion During a nanomineralogy investigation of the Allende meteorite, a...was discovered in a corundum-rich cluster of refractory grains in situ in an Allende chondrule. Electron |  | | Report (issue) | | subhedral crystals, ~0.5-1 μm (Vigarano), 1-8 μm (Allende), and 1-20 μm (Efremovka). Physical Properties:...Luster: n.d. Z=8 X-ray Powder Pattern: Allende meteorite. 2.725 (100), 1.629 (80), 3.047 (55), 2.488...0.80 0.79 0.61 0.53 0.07 0.05 98.38 (1) Allende meteorite; average electron microprobe analysis, Ti3+...03) (Si2.38Al0.38Ti4+0.24)O12. (2) Efremovka meteorite; analysis not given; corresponds to (Ca2.97Na0...01Fe0.01)(Si2.36Al0.48Ti4+0.16)O12. (3) Vigarano meteorite; analysis not given; corresponds to (Ca1.89Y0 |  | | Journal (article/letter/editorial) | | Mg)Al12O19, a new alteration mineral from the Allende meteorite Chi Ma* Division of Geological and Planetary...Ca-,Al-rich refractory inclusion from the Allende meteorite. It occurs as scattered micrometer-sized single...refractory inclusion, secondary alteration, Allende meteorite, carbonaceous chondrite, nanomineralogy introduCtion...During a nanomineralogy investigation of the Allende CV3 meteorite at Caltech, new refractory minerals and...Al-rich mineral, (Fe,Mg)Al12O19, identified in an Allende Ca-,Al-rich refractory inclusion (CAI). Electron-microprobe |  | | Journal (article/letter/editorial) | | PUBLISHING COMPANY HIBONITE [Ca2(A1,Ti)24038 ] FROM ALLENDE CHONDRITIC THE LEOVILLE AND METEORITES* Klaus...Meteoritics, The University of New Mexico, Albuquerque, New Mexico 87106, USA "and Louis H. F U C H S...Si-Fe-poor, achondritic inclusions of the Leoville and Allende HL-group chondrites. Two varieties of hibonite...polymict-brecciated HLgroup chondrites Leoville and Allende, and the present paper deals with a detailed description...Fuchs, Meteoritic hibonite its occurrence in a meteorite of the same class, namely Vigarano, and Fuchs |  | | Journal (article/letter/editorial) | | REFRACTORY INCLUSIONS =-=10141 IN THE ALLENDE METEORITE Annu. Rev. Earth Planet. Sci. 1980.8:559-608...INTRODUCTION The fall of the Allende Type 3 carbonaceous chondrite in Chihuahua, Mexico, on February 8, 1 969...severely limited by the rarity of these types of meteorite, their small sizes, and the relatively small sample...Such a view is shown in Figure 1 , from which Allende is seen to consist of a heterogeneous mixture of...inde pendent histories. Except for its size, Allende does not appear to be un usual among other Type |  | | Journal (article/letter/editorial) | | RELATIONS OF SULFIDE, SULFATE AND SULFUR IN ORGUEIL METEORITE Manuel N. Bass NASA Manned Spacecraft Center...concurrently forming cracks in unheated portions of the meteorite. The minerals of Orgueil indicate a many-stage...recognized for some time by its occurrence in meteorite fusion crusts. Also spherules of wustite have...chondrites. The calculations suggest a method of de ducing equilibration temperatures of enstatite chondrites...Territory, Australia are identified as being of meteorite impact origin. Liverpool Crater, lat 12° 24'S; |  | | Journal (article/letter/editorial) | | Majindeite, Mg2Mo3O8, a new mineral from the Allende meteorite and a witness to postcrystallization oxidation...Type B1 Ca-Al-rich inclusion, ACM-2, from the Allende CV3 carbonaceous chondrite. The type majindeite... Mg2Mo3O8, new mineral, kamiokite group, Allende meteorite, CV3 carbonaceous chondrite, EBSD, Ca-Al-rich...majindeite, Mg2Mo3O8, which was discovered in the Allende Type B1 Ca-Al-rich inclusion (CAI) ACM-2. In addition...2014a; Ma 2015a), and two first occurrences in a meteorite for the Mo-oxides tugarinovite (MoO2) and kamiokite |  | Ma, C., Tschauner, O., Beckett, J. R., Rossman, G. R., Liu, W. (2013) Kangite, (Sc,Ti,Al,Zr,Mg,Ca,◻)2O3, a new ultra-refractory scandia mineral from the Allende meteorite: Synchrotron micro-Laue diffraction and electron backscatter diffraction. American Mineralogist, 98 (5) 870-878 doi:10.2138/am.2013.4290 | Journal (article/letter/editorial) | | ultra-refractory scandia mineral from the Allende meteorite: Synchrotron micro-Laue diffraction and electron...davisite-dominant ultra-refractory inclusion from the Allende CV3 carbonaceous chondrite. The phase was characterized...o)2O3, new ultra-refractory mineral, scandia, Allende meteorite, CV3 carbonaceous chondrite, synchrotron micro-Laue...previously described inclusion, ACM-3, in the Allende meteorite (Ma and Rossman 2009b), a new ultra-refractory...Occurrence The Allende meteorite fell in and near Pueblito de Allende, Chihuahua, Mexico on February 8 |  | | Journal (article/letter/editorial) | | com/locate/epsl Magnetization of Extraterrestrial Allende material may relate to terrestrial descend Gunther...3 February 2018 Editor: J. Brodholt Keywords: Allende magnetic dynamo paleomagnetism bolide decelerating...a b s t r a c t The origin of magnetization in Allende may have significant implications for our understanding...magnetic Allende data may contain information that could constrain the magnetic history of Allende. The measurements...measurements on Allende chondrules reveal an existence of magnetization component that was likely acquired |  | | Journal (article/letter/editorial) | | elements in Ca-Al-rich inclusions in the Allende meteorite LAWRENCE GROSSMAN* Dept. of Geology and...activation analysis of C&Al-rich inclusions in the Allende carbonaceous chondrite reveals enrichments of 22...elements in Ca-Al-rich inclusions in the Allende meteorite 1121 was the temperature variation of P...of 10 to lo2 at the condensation temperature of corundum. These species could have crystallized by homogeneous...have served as heterogeneous nucleation sites for corundum at 1758’K. Any lower temperature condensate of |  | | Journal (article/letter/editorial) | | type III carbonaceous chondrites such as the Allende meteorite are composed primarily of these minerals and...U content of the lunar interior, both from the Allende analogy and the high heat flow, indicates a high...chondrites (circles and solid lines)and versus Allende Ca-A1rich inclusions (triangles and dashed lines)...the Allende meteorite. This is a good agreement between the lunar surface rocks and the Allende inclusions...composition of a Ca-A1 rich inclusion in the Allende meteorite which is taken here as another approximation |  | | Journal (article/letter/editorial) | | Aluminum-Titanium-Rich furoxenes,with SpecialReference the Allende Meteorite to BmaN MesoN Smithso nian I nstitutio n,...D.C. 2 0 5 6 0 Abshact Some chondrules in the Allende Type III carbonaceous chondrite contain the assemblage...to 1.00. In terms of pyroxene components, the Allende pyroxene is made up of CaMgSi,O", CaAl"SiOu, CaTiAl"Ou...mineralogicalinvestigationof the Allende meteorite, a carbonaceouschondrite which fell in Mexico on February8, 1969...meteorites is in Vigarano, which is similar to Allende in composition (Michel-Levy, Caye, and Nelen, 1970) |  | | Journal (article/letter/editorial) | | electron microscopy of chondrule minerals in the Allende meteorite : constraints on the thermal and deformational...solar nebula prior to or during accretion of the meteorite parent bodies. The textures and mineralogy of...Miiller et al. : Chondrule minerals in the Allende meteorite heat source, precursor material, cooling...defects, precipitates, grain and phase boundaries). Allende is one of the best studied meteorites, but little...have chosen the Allende CV carbonaceous chondrite for our study, because this meteorite belongs to the |  | | Journal (article/letter/editorial) | | The Netherlands 3 Ll ON THE CHEMISTRY OF THE ALLENDE INCLUSIONS AND THEIR ORIGIN AS HIGH TEMPERATURE...determined in a Ca,Al-rich chondrule from the Allende meteorite. The analytical techniques used were instrumental...Introduction The Ca, Al-rich inclusions from the Allende meteorite have been suspected to be high temperature...different types of Ca,Al-rich inclusions in the Allende meteorite [5] : (a) irregularly shaped inclusions, and...and (b) chondrules. In our specimen of Allende a 220-mg chondrule was easily separated from the matrix; |  | | Journal (article/letter/editorial) | | 15] DISTRIBUTION OF THE PRE-SOLAR COMPONENT IN ALLENDE AND OTHER CARBONACEOUS CHONDRITES ROBERT N. CLAYTON...unequivocally indentified, but pre-solar grains of corundum or spinel, and pre-solar molecules of SiO are...oxygen of the meteorite. The t 60 excess is distributed very heterogeneously within each meteorite [2]. It...types C2, C3 and C4: Murchison and Murray (C2), Allende, Grosnaja, Ornans, Vigarano and Warrenton (all...(C4). The greatest number of samples came from Allende, in which the relatively abundant large inclusions |  | Osborn, T.W, Warren, R.G, Smith, R.H, Wakita, H, Zellmer, D.L, Schmitt, R.A (1974) Elemental composition of individual chondrules from carbonaceous chondrites, including Allende. Geochimica et Cosmochimica Acta, 38 (9) 1359-1378 doi:10.1016/0016-7037(74)90093-3 | Journal (article/letter/editorial) | | chondrules from carbonaceous chondrites, including Allende T. W. OSBORN,* R. G. WARREN,? R. H. SMITH,$ H....individual analyses of 60 chondrules from Pueblito de Allende. Siderophile elements in moat ahondrules...displaying an Al-Ir correlation is identified as Allende-type white aggregates. The other components are...(rare earth elements) were measured in ‘ordinary’ Allende chondrules and were 50% higher than REE abundances...chondrites, with special attention to chondrules from Allende. The analytical method was non-destructive, instrumental |  | | Journal (article/letter/editorial) | | Britain ~alci~~l~inurn-Rich inclusions in the Allende meteorite : evidence for a liquid origin MILTON BLANDER*and...calcium-aluminum-rich inclusions (CAI) in the Allende meteorite. They can be classified into four types-hibonite-bearing...were probably solid originally, and that Allende meteorite appear to be high-temperature conliquids (and...processes. Prohere a detailed study of six CA1 from Allende, which posed mechanisms include secondary reheating...BLANDER(1973) showed Observations of CA1 in the Allende chondrite (FUCHS, 1969, 1971; MARVIN et al., 1970; |  | Burchell, M. J., Mann, J., Creighton, J. A., Kearsley, A. T., Graham, G., Franchi, I. A. (2006) Identification of minerals and meteoritic materials via Raman techniques after capture in hypervelocity impacts on aerogel. Meteoritics & Planetary Science, 41 (2) 217-232 doi:10.1111/j.1945-5100.2006.tb00205.x | Journal (article/letter/editorial) | | and anti-Stokes Raman bands, or, in the case of corundum particles, from the wave number of fluorescence...temperatures of 500–700 °C. In addition, selected meteorite samples were examined to obtain Raman signatures...interplanetary dust particles collected in the atmosphere. Meteorite samples have also been studied (e.g., Michel-Levy...planet. More recently, Popp et al. (2002) studied meteorite samples with a diverse range of surface quality...fired into aerogel in the laboratory at 5 km s−1. Corundum (ruby) and spinel particles also gave strong fluorescence |  | | Journal (article/letter/editorial) | | unaminclusions occurring together in the same meteorite biguous textural evidence of having been totally...have not been sigdrites (principally the Allende C3 meteorite), surprisnificantly altered by thermal metamorphism...examined (MC&ZEN, 1977a, 1977b), and chondrules in Allende (WALTER and DODD, 1973; the meteorites in which... 1969; DODD and WALTER, 1972; DEGASWarrenton, Allende, Coolidge, Karoonda) are PARISet al., 1975) have...Tennessee, Knoxville, TN 37916, U.S.A. analyzed. This meteorite consists of dark carbonaINTRODUCTION 1843 1844 |  | Ma, C., Simon, S. B., Rossman, G. R., Grossman, L. (2009) Calcium Tschermak's pyroxene, CaAlAlSiO6, from the Allende and Murray meteorites: EBSD and micro-Raman characterizations. American Mineralogist, 94 (10) 1483-1486 doi:10.2138/am.2009.3231 | Journal (article/letter/editorial) | | Calcium Tschermak’s pyroxene, CaAlAlSiO6, from the Allende and Murray meteorites: EBSD and micro-Raman characterizations...re-investigated the near end-member CaTs in the Allende and Murray chondrites. Electron backscatter diffraction...carried out to confirm the crystal structure. The Allende CaTs, with 46.00 wt% Al2O3 and 97 mol% Al in the...along with melilite, hibonite, perovskite, spinel, corundum, Ti3+-rich pyroxene, and grossular in a fluffy...pyroxene, refractory inclusion, Allende meteorite, Murray meteorite, carbonaceous chondrite introduCtion |  | | Journal (article/letter/editorial) | | the Sun are probably aluminous oxides such as corundum and hibonite, and preserve diverse Ca and Ti isotopic...anomalies. Meteoritic inclusions from the Murchison meteorite show the best polarization of these components...carbonaceous chondrites fell in that year: in Mexico, the Allende CV3 chondrite fell with a recovered weight...be direct gas-solid condensates. Furthermore, Allende CAIs are typically enriched in refractory trace...solar system. The main source of CAIs has been the Allende and Murchison meteorites. Other meteorites have |  | | Journal (article/letter/editorial) | | Printedin Great Britain Trace elements in the Allende meteorite-III. inclusions revisited Coarse-grained...coarse-grained, C&rich inclusions from the Allende meteorite. They discovered th+t enrichment factors calculated...Nucleu,- Dtrra Sheets. Trace elements in the Allende meteorite-111 Table 3. Element concentrations* Sample...existing literature data for these elements in Allende coarse-grained inclusions and compares them with...samples N18 of literature data for coarse-grained Allende inclusions with data obtained in this work (values |  | | Journal (article/letter/editorial) | | Pergamon Press Ltd. 1982. Printed inU.S.A. A corundum-rich inclusion in the Murchison carbonaceous chondrite...revised form September 3, 198 1) Abstract-A corundum-hibonite inclusion, BB-5, has been found in the...chondrite. This is the first reported occurrence of corundum as a major phase in any refractory inclusion,...= 7.0 f 1.6%0 for hibonite and 5.0 + 4.8Ao for corundum, despite very large *‘Al/“‘Mg ratios, 130 and...gas-solid condensate, textural evidence implies that corundum formed first and later reacted to produce hibonite |  | | Journal (article/letter/editorial) | | Rnstatite Ferrosilite Olivine Forsterite Fayalite Corundum Spine1 Perovskite B-40, Hibooite WoJlastonite...(1970) found neither Na nor Fe in a melite from Allende, and KUR.AT(1970) reported O-3 per cent Fe0 and...in Ti and Al and very poor in Fe, from a CAI in Allende. His discovery was confirmed by MaRvIN et al. (1970)...proposed by YAM and ONUMA(1967). The occurrence in Allende of a pyroxene containing over 60 per cent of this...cent). Allende (FUCHS, 1971, p. 2062) 31.0 17.5 21.8 5.0 24.7 26.8 5O.Q 0 12.1 9.9 0.4 Allende Vigarano |  | Krot, A.N., Ma, C., Nagashima, K., Davis, A.M., Beckett, J.R., Simon, S.B., Komatsu, M., Fagan, T.J., Brenker, F., Ivanova, M.A., Bischoff, A. (2019) Mineralogy, petrography, and oxygen isotopic compositions of ultrarefractory inclusions from carbonaceous chondrites. Geochemistry, 79 (4) 125519 doi:10.1016/j.chemer.2019.07.001 | Journal (article/letter/editorial) | | USA 7 Institute of Meteoritics, University of New Mexico, Albuquerque, NM 87131, USA 8 The Graduate University...heterogeneous 17O. These include: an intergrowth of corundum (~ ‒24‰) and (Ti,Mg,Sc,Al)3O5 (~ 0‰), and a thortveititebearing...metamorphosed CO and CV chondrites, and, possibly, the corundum-(Ti,Mg,Sc,Al)3O5 intergrowth in Murchison experienced...nodule in a fine-grained spinel-rich CAI from Allende lP (CV3.6). In the CAI core, spinel is 16O-enriched...O/16OVSMOW = 0.000380; 18 O/16OVSMOW = 0.002005; De Laeter et al., 2003) in parts per thousand (17 |
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