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| Tswtkov, V.I. The Scattering of the Tsarev Stony Meteorite Shower Meteoritika, 1984, Issue 43, pp. 3-8 Information...Information about the specimens of the Tsarev meteorite, in particular those found by the 1982 expedition...have been found who observed the fall of the meteorite Tsarev in 1922. Five illustrations, sixteen references...The Conditions of the Fall of the Chinga Iron Meteorite Meteoritika, 1984, Issue 43, pp. 9-15 Based on...concluded that the Chinga meteorite felI in the form of an iron meteorite shower. Five illustrations |
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| the Allende meteorite fell in Mexico, CV3 chondrites have played a major role in meteorite studies. The...Allende quickly became the most widely studied meteorite, a title it still holds today. Initially, studies...diversity of carbonaceous asteroids and to relate meteorite and asteroid types (e.g.,Bell et al., 1989). ...Y-86751 find 200 Reduced Subgroup find Arch 990 s3 Efremovka find 21,000 s4 Leoville find 8100 s3 Vigarano...(data from McSween, 1977b). Symbols as follows: Efremovka (Efr), Leoville (Leo), Vigarano (Vig), Allende |
 | Nakashima, Daisuke, Ott, Ulrich, Hoppe, Peter, El Goresy, Ahmed (2008) Search for extinct 36Cl: Vigarano CAIs, the Pink Angel from Allende, and a Ningqiang chondrule. Geochimica et Cosmochimica Acta, 72 (24) 6141-6153 doi:10.1016/j.gca.2008.10.001 | Journal (article/letter/editorial) |
| alteration occurred in the solar nebula or on the meteorite parent body (Brearley, 2003). Radioactive 36Cl...overabundances in bulk noble gas measurements of the Efremovka CV3 chondrite, and inferred a 36Cl/35Cl ratio...sections from the Vigarano meteorite and a thin section from the Ningqiang meteorite were prepared. Two thin...and 36S, the dynamic background in the 36 S mass region, and 37Cl were measured in a combined peak jumping...second step the dynamic background in the 36S mass region was re- 36 Cl 6143 corded by changing the deflection |
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| calcium-aluminum-rich inclusions from the reduced CV3 chondrite Efremovka ALEXANDER N. KROTI*, ALEXANDER A. ULYANOV1,2,...type B CAI (E48) from the reduced CV3 chondrite Efremovka, which is less altered than Allende. In contrast...contrast to the Allende accretionary rims, those in Efremovka consist of coarse-grained ( 2 0 4 0 ym), anhedral...accretionary rims. We infer that accretionary rims in Efremovka are more primitive than those in Allende and formed...andradite, wollastonite, and hedenbergite from the Efremovka rims may indicate that these rims sampled different |
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| from sodalite in Allende, dark inclusions in Efremovka (CV3), and some samples from CM chondrites all...measurements, a standard technique is to irradiate a meteorite sample with neutrons (which produces lz8Xe from...determined from the 1147 T. D. Swindle I \ Efremovka Dark Inclusions High i/Xe (e.g., Chondritic)...I-Xe plot for high-temperature data from two Efremovka dark inclusions (Swindle et al., 1998). Note that...alteration. 1149 Dark Inclusions in Efremovka We will start with Efremovka, a CV3. The Arizona noble gas laboratory |
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| University Library on July 13, 2015 The history of meteorite age determinations J.R. D E L A E T E R Department...nucleosynthesis of elements in stars and the formation of meteorite parent bodies, to be determined. The last 40 years...evidence of clustering of exposure ages in some meteorite classes, which provide information on the frequency...systems in 'finds', compared with corresponding meteorite 'falls', give their terrestrial age on the Earth's...(eds) 2006. The History of Meteoritics and Key Meteorite Collections: Fireballs, Falls and Finds. Geological |
 | Tang, Haolan, Liu, Ming-Chang, McKeegan, Kevin D., Tissot, Francois L.H., Dauphas, Nicolas (2017) In situ isotopic studies of the U-depleted Allende CAI Curious Marie : Pre-accretionary alteration and the co-existence of 26 Al and 36 Cl in the early solar nebula. Geochimica et Cosmochimica Acta, 207. 1-18 doi:10.1016/j.gca.2017.03.001 | Journal (article/letter/editorial) |
| Backscattered electron images of the Curious Marie CAI. The region outlined in panel (A) is shown in greater detail...Slodzian et al., 2004) when measuring the pyrite and troilite standards; data were corrected for a dead time...from the uncertain 36S/34S ratio in Canyon Diablo troilite. Therefore, to compensate for this 17‰ offset on...standards (e.g., Balmat pyrite, Canyon Diablo troilite, and CAR 123 pyrite, Fig. 3). Because of the large...obtained from standards Balmat pyrite, Canyon Diablo troilite, and CAR 123 pyrite. NIST glass 610 and a terrestrial |
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| l6-m.y.-old structure formed by the impact of a meteorite with the Earth. The long history of geological...ISOTOPE FRACTIONATION IN THE E2 CAI TYPE A FROM THE EFREMOVKA CV3 CHONDRITE. S. V. Afanassiev', S. G. Simakinz...type A CAI is one of the largest CAIs of the Efremovka Chondrite. The inclusion has been studied for...Zinc is exclusively located within the FeNisulfide region. This observation complicates the discussed models...veins and melt pockets in the zone. Metal and troilite in this zone do not show any traces of oxidation |
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| if the dust (1-10 JIm) in the chondrule-forming region experienced similar conditions to chondrules (100-1000...be possible to explain rim, matrix, and bulk meteorite refractory and common lithophile compositions...extracted presolar diamonds from the Allende meteorite by the method described in [I]. The optical properties...CRYSTALLIZATION OF PYROXENE AND SPINEL IN GABBROIC LUNAR METEORITE ASUKA 881757. T. Arai, H. Takeda, and P. H. Warren...University of Tokyo, Hongo, Tokyo 113, Japan. Lunar meteorite Asuka (A)88 1757 is a distinct new type of low-Ti |
 | Defouilloy, C., Cartigny, P., Assayag, N., Moynier, F., Barrat, J.-A. (2016) High-precision sulfur isotope composition of enstatite meteorites and implications of the formation and evolution of their parent bodies. Geochimica et Cosmochimica Acta, 172. 393-409 doi:10.1016/j.gca.2015.10.009 | Journal (article/letter/editorial) |
| up to 2 wt % Si. Other important phases include troilite and plagioclase. The exceptionally reduced environment...features that distinguish them from any other meteorite groups. They have a distinct mineralogy, with...and 2 for the aubrites (one for the Shallowater meteorite, and another parent body for all the other aubrites)...S isotopic analyses of standards Canyon Diablo Troilite (CDT), IAEA-S1 and IAEA-S2. d34S is expressed...from two museums) that were analyzed from this meteorite (d34S = 1.350‰ vs. d34S = +0.215‰). This difference |
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| it, it was just at this time that the Allende meteorite fell and the minerals contained within the so-called...Silliman Chair and being curator of the Yale meteorite collection. In a continuation of Karl’s foray...chemical histories both in the solar nebula and in meteorite parent bodies. It was in CAIs that the great discovery...interstellar medium, in the solar nebula, in meteorite parent bodies, and during atmospheric entry. Each...realization in the early 1970s that there are natural meteorite concentration mechanisms at work there. There |
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| compact group of bodies and form the stable "meteorite swarm" in resonant orbit (Hughes, 1982). A small...from the recent cosmic-ray irradiation of the meteorite; the rest presumably comes from a presolar cosmic-ray...Interstellar amorphous carbon in the Murchison meteorite: Carrier of neon-E(L). Sachiko Amari,' Edward...other than the suggestion that the ice in this region is probably close to a steady state condition....movement of the ice with some ice dropping into the meteorite concentration zone of the Main Icefield. The majority |
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| MÖSSBAUER SPECTROSCOPY OF OLIVINES FROM THE D’ORBIGNY METEORITE Y. A. Abdu1, M. E. Varela2 and F. C. Hawthorne1...structural OH bands are observed in the OH-stretching region (3800-3000 cm)1) for all samples. Mössbauer spectroscopy...(d13C approximately 0 to +5&) lining vugs in the meteorite. There are also differences in magmatic carbon...of the Meteoritical Society: Abstracts 5022 METEORITE IMPACT CRATERS IN SOUTH AMERICA: A BRIEF REVIEW...discoveries. The following possible and confirmed meteorite impact structures have been reported for this |
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| position of 56Fe; and (iv) the abundance peaks in the region past iron at the neutron closed shell positions...mixing caused by the convection, the entire unstable region evolves essentially chemically homogeneously—replenishing...of burning region (central or shell burning) and depleting the fuel elsewhere in that region at the same...burning of this fuel then commences outside that region. Table 1 summarizes the burning stages and their...maximum temperatures that have been reached in each region in the preceding hydrostatic burning stages (Table |
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| Science Tunis, Tunisia, 4 Meteorite Laboratory Lehmweg Gifhorn, Germany, 5 Meteorite Recon Mühlendamm Hamburg...calculation of meteorite flux is possible [4]. Following previous estimation of meteorite flux based on...geographical and morpho-structural district located in NW Argentina. This region is characterized by an extremely...structures in the alluvial fan, or the result of a meteorite shower. Their age, whatever the event is, is very...ANALYSIS (INAA) FOR ELEMENTAL COMPOSITION OF FRESH METEORITE FALL IN ORISSA, INDIA (2003). B. Adur, H.B. Mali |
 | Ouellette, N., Desch, S.J., Bizzarro, M., Boss, A.P., Ciesla, F., Meyer, B. (2009) Injection mechanisms of short-lived radionuclides and their homogenization. Geochimica et Cosmochimica Acta, 73 (17) 4946-4962 doi:10.1016/j.gca.2008.10.044 | Journal (article/letter/editorial) |
| calcium-aluminum-rich inclusion (CAI) from the Allende meteorite by McKeegan et al. (2000). Following this discovery...also been found in hibonites from the Murchison meteorite, at levels that are consistent with the initial...demonstrates that 26Al was present in the accretion region of terrestrial planets and planetesimals at levels...detailed K isotope study of CAIs from the Efremovka meteorite that defined an initial 41Ca abundance of...60Fe in chondritic components was reported in troilite and magnetite (Tachibana and Huss, 2003; Mostefaoui |
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| an annular gap in the nebula, and thus a second region is created in the nebula with zero gas drag. It...formed by magnetic reconnection flares in the bow region of the nebula during stage 4, several million years...the Inner Edge ofthe Nebula .The Ice Sublimation Region Coagulation ofIey Bodies The Formation of Jupiter...The CAl to Chondrule Time Interval Comments on Meteorite Classes and Components Discussion 133 __ _ _...26 Mg *j27AI from 6AlJ27 AI)o = 5 x 10-5 e Meteorite Los Martinez Ragland Manych Clovis Ikhrarebe Barwell |
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| position of 56Fe; and (iv) the abundance peaks in the region past iron at the neutron closed shell positions...mixing caused by the convection, the entire unstable region evolves essentially chemically homogeneously—replenishing...of burning region (central or shell burning) and depleting the fuel elsewhere in that region at the same...burning of this fuel then commences outside that region. Table 1 summarizes the burning stages and their...maximum temperatures that have been reached in each region in the preceding hydrostatic burning stages (Table |
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| .. 149 Exposure ages and dynamical models of meteorite delivery .......................................first discovered 129Xe excesses in the Richardton meteorite, then wrote that astonishing paper entitled “The...first discovered 129Xe excesses in the Richardton meteorite, then wrote that astonishing paper entitled “The...sector mass spectrometer (Clarke et al. 1969). Meteorite research has made particular demands upon noble...noble gases inherited from the upper mantle source region, which is dominated by olivine and pyroxenes. However |
