 | | Journal (article/letter/editorial) | | NORTH-HOLLAND PUBLISHING COMPANY HIBONITE [Ca2(A1,Ti)24038 ] FROM ALLENDE CHONDRITIC THE LEOVILLE AND...Meteoritics, The University of New Mexico, Albuquerque, New Mexico 87106, USA "and Louis H. F U C H S...Argonne, Illinois 60439, USA Received 17 May 1971 Hibonite [Ca2(AI,Ti)24038 ] was discovered in light-colored...inclusions of the Leoville and Allende HL-group chondrites. Two varieties of hibonite occur: One emits a bright...results from changes in composition. The origin of hibonite which occurs in complex mineral assemblages together |  | | Journal (article/letter/editorial) | | Letter Hibonite-(Fe), (Fe,Mg)Al12O19, a new alteration mineral from the Allende meteorite Chi Ma* Division...S.A. abstraCt Hibonite-(Fe), (Fe,Mg)Al12O19, is the Fe2+-dominant analog of hibonite CaAl12O19, discovered...Ca-,Al-rich refractory inclusion from the Allende meteorite. It occurs as scattered micrometer-sized single...and hibonite. The mean chemical composition determined by electron microprobe analysis of hibonite-(Fe)...12Al0.11Ca0.03)Σ0.87 (Al11.77Si0.23)Σ12.00O19. Hibonite-(Fe) is hexagonal, P63/mmc; a = 5.613 Å, c = 22 |  | | Journal (article/letter/editorial) | | dmisteinbergite (hexagonal CaAl2Si2O8) in the Allende meteorite: A new member of refractory silicates formed...B2 Ca-,Al-rich inclusion (CAI) STP-1 from the Allende CV3 carbonaceous chondrite. STP-1 belongs to a...away from region, possibly by a disk wind. The Allende dmisteinbergite occurs as irregular single crystals...rapid cooling. Dmisteinbergite in Allende, the first find in a meteorite, is a new member of refractory...hexagonal CaAl2Si2O8, new refractory silicate, Allende meteorite, carbonaceous chondrite, Ca-,Al-rich refractory |  | | Journal (article/letter/editorial) | | Ti2O3, a new refractory mineral from the Allende meteorite Chi Ma* and GeorGe r. rossMan Division of...corundum crystals within a chondrule from the Allende meteorite. The mean chemical composition determined...oxide, Allende meteorite introduCtion During a nanomineralogy investigation of the Allende meteorite, a...corundum-rich cluster of refractory grains in situ in an Allende chondrule. Electron microprobe, high-resolution...situ in a ferromagnesian chondrule from the Allende meteorite, along with about 30 corundum (Al2O3) grains |  | | 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) | | from an ultrarefractory inclusion from the Allende meteorite Chi Ma*, John R. Beckett and George R. Rossman...During a nanomineralogy investigation of the Allende meteorite with analytical scanning electron microscopy...chemistry. Allendeite is named after the Allende meteorite. The name hexamolybdenum refers to the symmetry...alloy, new mineral, EBSD, nanomineralogy, Allende meteorite, CV3 carbonaceous chondrite Introduction...the lyrics. The Allende meteorite, which fell near Pueblito de Allende, Chihuahua, Mexico, on February 8 |  | | 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 |  | 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 |  | Ma, C., Tschauner, O., Beckett, J. R., Rossman, G. R., Liu, W. (2012) Panguite, (Ti4+,Sc,Al,Mg,Zr,Ca)1.8O3, a new ultra-refractory titania mineral from the Allende meteorite: Synchrotron micro-diffraction and EBSD. American Mineralogist, 97 (7) 1219-1225 doi:10.2138/am.2012.4027 | Journal (article/letter/editorial) | | ultra-refractory titania mineral from the Allende meteorite: Synchrotron micro-diffraction and EBSD Chi...within an amoeboid olivine inclusion from the Allende CV3 carbonaceous chondrite. The phase was characterized...new ultra-refractory mineral, new titania, Allende meteorite, CV3 carbonaceous chondrite, synchrotron micro-diffraction...During a nano-mineralogy investigation of the Allende meteorite at Caltech, a new titania mineral (Ti4+,Sc...Occurrence The Allende meteorite fell in and near Pueblito de Allende, Chihuahua, Mexico, on February 8 |  | | Journal (article/letter/editorial) | | Coolidge, Mulga (West) and, to a lesser extent, Allende, as evidenced by ferromagnesian mineral equilibration...the metamorphic effects in the Allende chondrite (the only meteorite of the group that has been intensively...of the Vigarano subtype, it is suggested that Allende alone may not adequately reflect the wide spectrum...carbonaceous chondritic scription of the Arch meteorite has not been pubmeteorites [particularly the Type...system. The C3 class has been subdivided into meteorite find from Australia, may also belong with two |  | | Journal (article/letter/editorial) | | Britain ~alci~~l~inurn-Rich inclusions in the Allende meteorite : evidence for a liquid origin MILTON BLANDER*and...inclusions (CAI) in the Allende meteorite. They can be classified into four types-hibonite-bearing, fassaite-...feldspathoid-bearing and fassaite-bearing CAI that are hibonite and olivine free. Exrimples of each type appear...ovoid shapes, (2) rims containing minerals (e.g. hibonite, perovskite) that are more refractory than minerals...condensate by impact. The diopside rims in some hibonite-bearing CA1 and the paucity of metal in fassaite-olivinebearing |  | | Report (issue) | | EARTH SCIENCES • NUMBER 25 Inclusions in the Allende Meteorite Brian Mason and S.R. Taylor ISSUED OCT 51982...Brian, and S.R. Taylor. Inclusions in the Allende Meteorite. Smithsonian Contributions to the Earth Sciences...inclusions have been distinguished in the Allende meteorite. Groups I, V, and VI are mostly melilite-rich...distribution in these Allende inclusions indicate a complex history of formation of this meteorite from the solar...Mason, Brian Harold, 1917Inclusions in the Allende meteorite. (Smithsonian contributions to the earth sciences |  | | Journal (article/letter/editorial) | | Institute of Meteoritic%University of New Mexico, Albuquerque,New Mexico 87131, USA 2Institut fur Mineralogie...containing unequilibrated material, the unique meteorite Kakangari, and a few types 5 and 6 ordinary chondrites...accretion. f) Coarse-grained inclusions as found in Allende were not observed in ordinary chondrites. INTRODUCTION...objects in ordinary chondrites and the unique meteorite Kakangari (BISCHOFF and I&IL, 1983~). We studied...a total surface area of about University of hew Mexico; USN+ Natlunal D.C.; NM%= harurhistnrxschr$ Museum |  | | 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) | | trace elements were determined by INAA in two hibonite-rich refractory inclusions and a dark clast from...and a hibonite-rich and a melilite-rich fraction from a composite refractory inclusion from Allende. The...Leoville are all similar to their counterparts in Allende in that they have groups I, II, and III refractory...features that are very infrequently encountered in Allende inclusions. For example, Vigarano 1623-2 is a group...the ones from Allende. Even the Vigarano dark clast has a lower Na content than Allende dark clasts. Secondary |  | | Journal (article/letter/editorial) | | Kurat 2 and Franz Brandst itter z I Laboratoire de Minbralogie-Cristallographte, Universite Pierre et...of gehlenitic melilite, spinel, perovskite, and hibonite. CaAI4Ov is a minor component and occurs within...succession of three rims (from inside out): (a) hibonite + melilite + spinel + perovskite, (b) diopside...u n t s of a crystalline A120 3 phase [7] and hibonite, CaAI j20~9 [8]. A1203 a p p a r e n t l y is...Leoville, in the possession of the L a b o r a t o i r e de M i n 6 r a l o g i e - C r y s t a l l o g r a p |  | | Journal (article/letter/editorial) | | mineral chemistry of Ca-rich inclusions in the Allende meteorite LAWRENCE GROSSMAN Department of the Geophysical...white, coarse-grained, &-Al-rich inclusions in Allende. Type A inclusions contain SO-85 per cent melilite...1-2 per cent perovskite and rare plagioclase, hibonite, wollastonite and grossularite. Clinopyroxene...Type A, 1 intermediate and 9 Type B inclusions in Allende and 1 Type A in Grosnaja. Melilite composition...after condensation. SINCEthe fall of the Allende meteorite in February, 1969, the C*Al-rich inclusions |  | | Journal (article/letter/editorial) | | mineraiogy and petrogenesis of a hibonite inclusion from the Murchison meteorite* JOHN T. ARMSTRONG,G. P. MEEKER...relatively large (- 1.5 mm) hibonite-containing inclusion from the Murchison meteorite, was performed in an...the mechanisms of formation and modification of hibonite-rich inclusions. The Blue Angel inclusion is composed...composed of roughly equal amounts of hibonite and calcite, with minor amounts of spinel, perovskite,...divided into three roughly concentric zones-a hibonite-rich core, a calcite-rich mantle, and a spinel-rich |  | | Journal (article/letter/editorial) | | Intrinsic oxygen fugacity measurements of soiue Allende Type B inclusions JEAN M. Kozut*, ‘Geology~~~rnen~...B Ca-, Al-rich inclusions (CAI) from the Allende meteorite show them to be. 6-8 orders of inagnitude...inclusion and this may be a mechanism for oxidation in Allende inclusions. IGF measurements of fine-grained alteration/rim...exchanged 0 with the nebula without being altered. Allende melilite’s isotope exchange inay involve CO but...is unknown. INTRODUCTION SINCETHE FALL of the Allende CV3 chondrite in 1969, a multitude of chemical |  | | Journal (article/letter/editorial) | | chemistry and origin of spinel-rich inclusions in the Allende CV3 chondrite ALAN S. KORNACKI Shell Oil Company...inclusions) in Allende was studied by electron probe microanalysis. Variations in the chemistry of hibonite are...was also studied. The mineralogy of spinel-rich Allende inclusions is similar to the mineralogy of fine-grained...ALH-77003 and rims on coarse-grained CAl’s in Allende; spine]-rich inclusions in Mokoia, Kaba, and Murchison...mineral chemistry, and bulk chemistry of spinel-rich Allende inclusions indicate that they are not primitive |  | Beckett, John R, Live, David, Tsay, Fun-Dow, Grossman, Lawrence, Stolper, Edward (1988) Ti3+ in meteoritic and synthetic hibonite. Geochimica et Cosmochimica Acta, 52 (6) 1479-1495 doi:10.1016/0016-7037(88)90219-0 | Journal (article/letter/editorial) | | O-316-7037/88/$3.00 + .I0 Ti3+ in meteoritic and synthetic hibonite R. BECKETT’,DAVIDLIVE~,~,FUN-DOW TSAY~,LAWRENCEGROSSMAN“and...direct determination of Ti3+in synthetic hibonite and hibonite from inclusion SH-7 of the Murchison C2...blue hibonite and 0.35-0.44 wt% in hibonite from SH-7. No Ti3+ could be detected in orange hibonite, supporting...temperature and oxygen fugacity, Ti3+/Ti4+in synthetic hibonite increases with decreasing V but is not strongly...concentration levels encountered in meteoritic hibonite, Fe and Cr contents do not have a significant |  | | Journal (article/letter/editorial) | | relative volatility of refractory trace elementsin Allende Ca,Al-rich inclusions: implications for chemical...solution in perovskite and, where appropriate, in hibonite and melilite). The measured abundances of 25 LRTE...refractory trace elements in 97 Group I, II, III, and V Allende Ca,Al-rich inclusions (CAPS) and in ultra-refractory...SC is significantly less depleted in Group II Allende CAPS than are other LRTE (e.g., Zr; HT; Y) that...more enriched in Ca-rich Group II and Group III Allende CAPS than they are in spinel-rich varieties of |  | | Journal (article/letter/editorial) | | probably aluminous oxides such as corundum and hibonite, and preserve diverse Ca and Ti isotopic anomalies...anomalies. Meteoritic inclusions from the Murchison meteorite show the best polarization of these components...ultrarefractory fractionated REE patterns. Single hibonite crystal fragments (PLACs) have diverse Ca and...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 |  | | Journal (article/letter/editorial) | | RHONITE-BEARING CALCIUM ALUMINUM RICH INCLUSION IN THE ALLENDE METEORITE Louis H. Fuchs Chemistry Division Argonne...inclusions (CAls) appears to be restricted to the Allende meteorite. These inclusions, however, are very scarce... rhonite, perovskite, grossular, Ni-Fe metal, hibonite, troilite, a vanadium-iron oxide (20-27 wt % V203...contain rhonite appear to be unique to the Allende meteorite. Although they might occur in other C-I1I(V)...may preclude such finds. That they are found in Allende is undoubtedly due to the abundance of specimens |  | | Journal (article/letter/editorial) | | http://meteoritics.org A study of Mg and K isotopes in Allende CAIs: Implications to the time scale for the multiple...isotopic compositions of refractory minerals in Allende calcium-aluminum-rich inclusions (CAIs), 7R-19-1...Calcium-aluminum-rich inclusions (CAIs) in the Allende CV3 meteorite have experienced several successive stages...intramineral distributions of O isotopes in the Allende CAI, 7R-19-1 (Yurimoto et al. 1998; Ito et al....Several CAI minerals, such as melilite, fassaite, hibonite, and perovskite, are good targets for these measurements |
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