| | Journal (article/letter/editorial) | Pnnted in U.S.A. + 00 Origin of metallic Fe-Ni in Renazzo and related chondrites MIN SUNG LEE,* ALAN E. RUBIN...Co-Ni correlation among metal grains from the Renazzo and Al Rais chondrites reported in previous studies...chondrule margins, chondrule rims, and matrix) in Renazzo, Al Rais, and the related chondrite, MacAlpine...INTRODUCTION THE UNGROUPEDCARBONACEOUS chondrite, Renazzo, contains - 120 mg/g metallic Fe-Ni ( WILK, 1969;...highest among carbonaceous chondrite falls. The Renazzo-related meteorites, Al Rais and MacAlpine Hills | | Martins, Z., Hofmann, B. A., Gnos, E., Greenwood, R. C., Verchovsky, A., Franchi, I. A., Jull, A. J. T., Botta, O., Glavin, D. P., Dworkin, J. P., Ehrenfreund, P. (2007) Amino acid composition, petrology, geochemistry,14C terrestrial age and oxygen isotopes of the Shişr 033 CR chondrite. Meteoritics & Planetary Science, 42 (9) 1581-1595 doi:10.1111/j.1945-5100.2007.tb00592.x | Journal (article/letter/editorial) | the degree of terrestrial alteration of this meteorite and also its petrologic classification. Bulk chemical...suggests extensive amino acid contamination of the meteorite from the fall site soil. Nevertheless, Shi∫r 033...have become a source of an increasing number of meteorite finds in the past years (Jull et al. 1990; Ash...interdisciplinary team of researchers analyzed the Shi∫r 033 meteorite. Shi∫r 033 is the first CR carbonaceous chondrite...mineralogical, and isotopic composition of the meteorite as well as the dark CI-like inclusions. Hence | | Schrader, Devin L., Connolly, Harold C., Lauretta, Dante S., Zega, Thomas J., Davidson, Jemma, Domanik, Kenneth J. (2015) The formation and alteration of the Renazzo-like carbonaceous chondrites III: Toward understanding the genesis of ferromagnesian chondrules. Meteoritics & Planetary Science, 50 (1) 15-50 doi:10.1111/maps.12402 | Journal (article/letter/editorial) | 1111/maps.12402 The formation and alteration of the Renazzo-like carbonaceous chondrites III: Toward understanding...conditions of ferromagnesian chondrules from the Renazzo-like carbonaceous (CR) chondrites, a systematic...further cooling mss decomposed into pentlandite and pyrrhotite, with pentlandite exsolving from mss at 400–600...processes of asteroids in the early INTRODUCTION Renazzo, the type specimen of the CR chondrite group, has...hypotheses for the formation and alteration of meteorite components. Representative sampling of distinct | | Bischoff, A., Palme, H., Ash, R.D., Clayton, R.N., Schultz, L., Herpers, U., Stöffler, D., Grady, M.M., Pillinger, C.T., Spettel, B., Weber, H., Grund, T., Endreβ, M., Weber, D. (1993) Paired Renazzo-type (CR) carbonaceous chondrites from the Sahara. Geochimica et Cosmochimica Acta, 57 (7) 1587-1603 doi:10.1016/0016-7037(93)90014-n | Journal (article/letter/editorial) | Pergamon Press Ltd. Printed in U.S.A. Paired Renazzo-type (CR) carbonaceous chondrites from the Sahara...mineralogical similarities to the carbonaceous chondrite Renazzo were recovered at two locations of the Sahara:...26A1contents. The Acfer-El Djouf meteorite is classified as a CR (Renazzo-type) carbonaceous chondrite....comprises three non-Antarctic members (Al Rais, Renazzo, Acfer-El Djouf) and five Antarctic meteorites...lithological components of the Acfer-El Djouf meteorite are large chondrules (up to 1 cm in size; mean | | | Journal (article/letter/editorial) | by other researchers allow the definition of a Renazzo (CR) group of carbonaceous chondrites. We analyzed...twenty-seven elements. Along with previously analyzed Renazzo, six or more closely related fall events are represented...were studied ~tro~phically along with Renazzo and Al Rais. Renazzo has a lineation possibly caused by fluid-lub~cated... One of the earliest compositional studies of Renazzo was by MASON and WIIK ( 1962 ) . Other earlier...one by TAKAHASHI et al. ( 1978) who classified Renazzo as CVZ, and another by WOLF et al. ( 1980) who | | | Journal (article/letter/editorial) | detail in only a few stony meteorites,be- each meteorite individually, even though each causewith earlier...one-tenth of the meteorites examined. Clovis Renazzo Cold Bokkeveld Richardton Cull[son Dhurmsala...pend on the sulfur and oxygen contents of the meteorite. A higher content of sulfur or oxygen With few...Si,, which are absent,from other parts of this meteorite. On rare occasionsgraphite forms well-devel- ...greaterhardness.The mineralis de- In the Four Corners meteorite and some others the iron tectably anisotropic | | | Journal (article/letter/editorial) | (CI), Murchison, Cold Bokkeveld and Murray (CM), Renazzo (CR), Allende and Mokoia (C3V) carbonaceous chondrites...concentration and isotopic composition of each meteorite are therefore closely similar to those of this...carbonates matched previously published values. In Renazzo, the carbonates have a 813C close to + 42%o/PDB...Between 950 and 1060°C, 813C reaches + 177.8%o in Renazzo, + 335.1%o in Cold Bokkeveld, and + 384.6%0 in...[15]. It is in such samples of the Murchison CM meteorite that the most extreme carbon isotopic compositions | | | Journal (article/letter/editorial) | Mason, 1963) showed that the bulk S content of CR Renazzo is about 30% lower than those in CO chondrites...chondrite Al Rais are about 2 higher than in Renazzo. Abundances of other moderately volatile elements...with bulk compositions for the observed CR fall Renazzo (Wiik, in Mason, 1963; Kallemeyn et al., 1994)...report 6 mg/g H and 14 mg/g C in whole-rock CR Renazzo. Based on data summarized by Pizzarello et al....this ratio in CR chondrites, the 14 mg/g C in Renazzo corresponds to about 1 mg/g H in the organic 1442 | | | Journal (article/letter/editorial) | 73 stony meteorites to identify the nature of meteorite ablation spheres (MAS) and constrain the processes...melted crusts are similar to those of the bulk meteorite. However, differences from whole rock suggest...that are formed by the melting dust particles. Meteorite ablation spheres produced at high altitude probably...probably have compositions very different from bulk meteorite and will resemble cosmic spherules derived from...microanalysis tools (Krinov, 1960; Rarndohr, 1967). Meteorite fusion crusts can provide valuable information | | Harju, Ellen R., Rubin, Alan E., Ahn, Insu, Choi, Byeon-Gak, Ziegler, Karen, Wasson, John T. (2014) Progressive aqueous alteration of CR carbonaceous chondrites. Geochimica et Cosmochimica Acta, 139. 267-292 doi:10.1016/j.gca.2014.04.048 | Journal (article/letter/editorial) | that have been more-significantly altered (e.g., Renazzo and Al Rais), metallic Fe-Ni has been partially...chondrites constitute one of the most primitive meteorite groups. There has been minimal thermal metamorphism:...submicrometer-size grains of sulfide (typically pyrrhotite and pentlandite) and intergrowths of saponite...phyllosilicate sheaths (Wasson and Rubin, 2009). Renazzo, the CRchondrite prototype and one of only two...Magnetite is present in some CR chondrites (e.g., Renazzo; Weisberg et al., 1993), but not in others (e.g | | | Journal (article/letter/editorial) | kinds of carbonaceouschondrites: (1) carbonaceous Renazzo-like (CR) group, (2) carbonaceous high-metal (CH)...Bencubbin-like group let CH-like group let Ungrouped Renazzo Al Rais El DjoufOOI * Kaidunt Temple Bar EET 87770~...~Paired with 40 other EET meteorites (Antarctic Meteorite Newsletter, 1989, 1994). §Paired with Acfer 207...uncertain. $Paired with QUE 94627 (Antarctic Meteorite Newsletter, 1996). classification than "group"...Bischoff, 1997; Marhas et al., 200 I), although Renazzo and Al Rais CAls contain secondary calcite and | | | Journal (article/letter/editorial) | Ocean Water (SMOW) are plotted for the chondritic meteorite groups (Table 4), the Earth (Eiler et al. 2000;...lines are also plotted. Table 1. Chondritic meteorite types. Chondrites Compositiona Carbonaceous CH...achondrite” that is not currently found in our meteorite collections. Estimates of the weight ratios of...ratio), and Fe/ Al (wt. ratio) for the chondritic meteorite groups. CH CI CK CM CO CR CV EH EL H L LL R ...A77003 and ALH 82101. h Calculated from data for Renazzo (CR) from Mason and Wiik (1962a). i Calculated | | SMITH, Caroline L., RUSSELL, Sara S., GOUNELLE, Matthieu, GREENWOOD, Richard C., FRANCHI, Ian A. (2004) NWA 1152 and Sahara 00182: New primitive carbonaceous chondrites with affinities to the CR and CV groups. Meteoritics & Planetary Science, 39 (12) 2009-2032 doi:10.1111/j.1945-5100.2004.tb00093.x | Journal (article/letter/editorial) | 1, n = 16). Matrix comprises ~30 vol% of the meteorite and is predominantly sub-micron silicates, with...Meteoritical Bulletin (2001) as an ungrouped C3 meteorite. The thin section analyzed here is from the Institut...Photoshop® computer program. A thin section of Renazzo was analyzed using this method to compare with...Isolated Opaques Approximately 2 vol% of the meteorite is composed of Fe-Ni metal, magnetite, and troilite...Meteoritical Bulletin (2001) as an ungrouped C3 meteorite and has been described as a possible CR3 chondrite | | Hicks, L. J., MacArthur, J. L., Bridges, J. C., Price, M. C., Wickham-Eade, J. E., Burchell, M. J., Hansford, G. M., Butterworth, A. L., Gurman, S. J., Baker, S. H. (2017) Magnetite in Comet Wild 2: Evidence for parent body aqueous alteration. Meteoritics & Planetary Science, 52 (10) 2075-2096 doi:10.1111/maps.12909 | Journal (article/letter/editorial) | this hypothesis, powdered material from a CR2 meteorite (NWA 10256) was shot into the aerogel at 6.1 km...silicates, requiring aqueous activity in the meteorite parent body. Hematite and maghemite c-Fe2O3 are...look at powdered material from a CR2 chondrite meteorite, selected as an analogue to Wild 2, including...magnetite grain from a thin section of the same CR2 meteorite shows a Fe-rich content with a trace of Cr. Peaks...Hematite Goethite Chromite Chromite Peridotite Pyrrhotite Troilite Illite Nontronite Nontronite Nontronite | | | Book | Water-Rich Small Bodies 390 6.5 Primitive Asteroid-Meteorite Matches 394 6.6 Implications for Exploration of...same rate as older craters erode away (due to meteorite and micrometeorite bombardment), at least for...found that the best match for 433 Eros is an OC meteorite that has been altered at the surface of the asteroid...do not go longward of 0.9 mm, and a suggested meteorite analog cannot be identified beyond those generally...existence of polymict breccias in the Earthly meteorite collections. Some regions in the southern hemisphere | | | 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 | | CHOE, Won Hie, HUBER, Heinz, RUBIN, Alan E., KALLEMEYN, Gregory W., WASSON, John T. (2010) Compositions and taxonomy of 15 unusual carbonaceous chondrites. Meteoritics & Planetary Science, 45 (4) 531-554 doi:10.1111/j.1945-5100.2010.01039.x | Journal (article/letter/editorial) | Sources of whole-rock samples and thin sections. Meteorite Sample source Thin section number Acfer 094...rectangular blocks. Standards included the Allende meteorite (Kallemeyn et al. 1989), the USGS reference materials...Filomena fragment of the North Chile IIAB iron meteorite (Wasson et al. 2007). Our typical uncertainties...transmitted and reflected light (Table 1); sections of Meteorite Hills (MET) 01017 and Northwest Africa (NWA) 1152...set, but the sampling scatter in data for a new meteorite may hinder assignment based on this criterion | | | 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) | (Dhofar 007) and noncumulated (NWA 011). Results: A meteorite shower, 37 pieces weighing a total of 21,270 g...REE pattern supports a cumulate type of this meteorite also. At the other side the data of NWA 011 are...REE pattern supports a noncumulate type of this meteorite. Thus, these two meteorites belong to different...local materials and not from a widespread mix of meteorite types. From these observations we infer that the...metal grain volumetric difference between the two meteorite classes. Because of the problem of pairing 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 | | | Book | METEORITE RESEARCH ASTROPHYSICS AND SPACE SCIENCE LIBRARY A SERIES OF BOOKS ON THE RECENT DEVELOPMENTS...Holland VOLUME 12 METEORITE RESEARCH PROCEEDINGS OF A SYMPOSIUM ON METEORITE RESEARCH HELD IN VIENNA...the publisher INTRODUCTION The Symposium 'Meteorite Research' was conceived originally at the second...need to strengthen international co-operation in meteorite research, asks that the International Atomic Energy...discussed ranged from the computer-assisted study of meteorite orbit statistics, through problems of composition | | | Book | PROFESSOR M. FORNASERI, University of Rome, Rome, Italy Editorial Assistant MME G. PROTAS, C.R.P.G. Nancy-Vandoeuvre...taken from well below the surface of a large meteorite. Typical values of uranium concentrations and...located as close as possible to the outside of a meteorite. separately the ancient P u 2 4 4 / U 2 3 8 ratio...well below the outer surface of the Toluca iron meteorite, as indicated in figure 2(a). In all samples more...time since the beginning of the formation of meteorite parent bodies) and the cooling of phase / to the | | | Book (edition) | USA S. Theisen, Golm, Germany W. Weise, Trento, Italy, and Garching, Germany J. Wess, München, Germany...Schillergässchen 3, D-07745 Jena, Germany Abstract. Via meteorite research, mineralogy became the first discipline...The turnaround occurred, when the wellwitnessed meteorite rain of L’Aigle in 1803 convinced the authorities...popularity among astrophysicists. Further, primitive meteorite and interplanetary dust mineralogy began to play...metals ([33],[34]). 2.3 Renunciation from Meteor/Meteorite Analogy As already mentioned, the iron dust model | | | Book (edition) | Historical Review J. Dorschner Abstract Via meteorite research, mineralogy became the first discipline...turnaround occurred, when the well-witnessed meteorite rain of L’Aigle in 1803 convinced the authorities...popularity among astrophysicists. Further, primitive meteorite and interplanetary dust mineralogy began to play...metals [41, 42]. 2.3 Renunciation from Meteor/Meteorite Analogy As already mentioned, the iron dust model...Based on laboratory data on troilite (FeS) and pyrrhotite ([Fe, Ni](1−x) S), Keller et al. [235] studied | | | Journal (volume) | I-Xe dating of meteorites [abstract] [Bjurhöle meteorite, Fin landl. EOS (Amer. Geophys . Union, Trans...On the possibilities oE stone industry at the province oE Oulu . Raken nustekni ikka, 1970, p. 232236...& Levi-Donati, G. R. & Wiik, H. B. The Sierra meteorite: mineralogy and chemistry. Mineral. Mag., VoJ...1951. Binns, R. A. Oldhamite from the Hvittis meteorite. Mineral. Mag., Vol. 37, n:o 285 , p. 144-145... & Mason, Brian & Wiik, H. B. The Farmington meteorite. Mineralogy and chemistry. Geochim. et Cosmochim |
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