 | | 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"...layer of gehlenitic melilite and diopside or a single layer of diopside; spinel and hibonite are very rare |  | Cuvillier, Priscille, Chaumard, Noël, Leroux, Hugues, Zanda, Brigitte, Hewins, Roger H., Jacob, Damien, Devouard, Bertrand (2018) A TEM study of exsolution in Ca-rich pyroxenes from the Paris and Renazzo chondrites: Determination of type I chondrule cooling rates. Meteoritics & Planetary Science, 53 (3) 482-492 doi:10.1111/maps.13032 | Journal (article/letter/editorial) | | exsolution in Ca-rich pyroxenes from the Paris and Renazzo chondrites: Determination of type I chondrule cooling...pyroxenes in type I chondrules from the Paris CM and Renazzo CR carbonaceous chondrites in order to provide...carbonaceous chondrites Paris and Renazzo. The Paris CM meteorite contains both moderately and barely...vol% of the chondrite (Hewins et al. 2014). The Renazzo chondrite (CR2) experienced moderate aqueous alteration...chondrules (e.g., Weisberg et al. 1993). For Paris and Renazzo, type I chondrules are abundant and frequently |  | | Journal (article/letter/editorial) | | assemblages from the MAC 87320, EET 92011, and Renazzo CR carbonaceous chondrites. The objectives of this...troilite, and Ni-rich metal. The assemblages in Renazzo contain tochilinite, magnetite, troilite, pentlandite...pentlandite, and phosphate. In all of the assemblages in Renazzo the tochilinite is fine grained and intimately mixed...All rights reserved. 1. INTRODUCTION The Renazzo meteorite was first identified as distinct from other...Nelen et al. (1975). It is the type sample for the Renazzo-like carbonaceous chondrite (CR) group, which was |  | 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...larger grains of low-Ca pyroxene occur and rarer diopside (Fs0.8 ± 0.3 [1σ], Wo48.8 ± 2.7 [1σ]) is also...42 bd 0.16 0.05 0.42 0.16 3.30 100.87 Fs 4.6 Diopside bd 35.60 3.10 54.71 0.10 1.22 0.17 0.51 0.15 4 |  | | Journal (article/letter/editorial) | | Pergamon Press Ltd. Printed in U.S.A. The CR (Renazzo-type) carbonaceous chondrite group and its implications...isotopic study of eight meteorites, identified as CR (Renazzo-type) chondrites, reveals that they have a set...water to a greater degree than the rest of the meteorite. The overall degree of hydration in CR chondrites...fiamboidal magnetite in Renazzo matrix as being CI-like. It was later shown that Renazzo has a nitrogen isotopic...and CLAYTON, 1978; ROBERT and EPSTEIN, 1982). Renazzo was also found to have an oxygen isotopic composition |  | Rubin, Alan E., Breen, John P., Isa, Junko, Tutorow, Sean (2017) NWA 10214-An LL3 chondrite breccia with an assortment of metamorphosed, shocked, and unique chondrite clasts. Meteoritics & Planetary Science, 52 (2) 372-390 doi:10.1111/maps.12797 | Journal (article/letter/editorial) | | Slab of the NWA 10214 LL3 chondrite breccia. The meteorite contains numerous well-defined chondrules and...can be viewed at wileyonlinelibrary.com.) The meteorite has been significantly weathered. Most of the...thin section of NWA 10214, we estimate that the meteorite contains ~2–3 vol% metallic Fe-Ni, corresponding...exhibit some patchy Fe-Mg zoning. Because the meteorite contains LL5 and LL6 clasts (see below), the whole...indicate that the host is subtype 3.6–3.9. The meteorite has been very weakly shocked. Most of the coarse |  | | Journal (article/letter/editorial) | | to 8. Per@mon PreaLtd. Printed The Ftumingb meteorite. M.ineralogyand chemistry PETER R. BVSECK,* BRIAN...09, E&O-O*OO, Cr$$o* O-66; tit&Xl 99.27. THE meteorite fell at 12.60 p.m. on 25 June 1890, in Farmington...Smithsonian Institution has 24 kg. The Farmington meteorite was described by SNOW (1890) and KUXZ and W~~S~EE~K...less than 25,000 years. The appearance of the meteorite is remarkable-it is black, tough and dense, containing...particles are completely disseminated throughout the meteorite thus producing its black color, and large grains-up |  | Varela, Maria Eugenia, Kurat, Gero, Hoppe, Petter, Brandstätter, Franz (2002) Chemistry of glass inclusions in olivines of the CR chondrites Renazzo, Acfer 182, and El Djouf 001. Geochimica et Cosmochimica Acta, 66 (9) 1663-1679 doi:10.1016/s0016-7037(01)00871-7 | Journal (article/letter/editorial) | | glass inclusions in olivines of the CR chondrites Renazzo, Acfer 182, and El Djouf 001 MARIA EUGENIA VARELA... Abstract—Glass inclusions in olivines of the Renazzo, El Djouf 001, and Acfer 182 CR-type chondrites...olivines of these chondrites which belong to the CR (Renazzo-type) group, which is characterized by having “pervasive...chondrites (two glass inclusions in olivine from the Renazzo chondrite) by Kurat et al. (1997) strongly supported...the early solar nebula. The importance of the Renazzo chondrite was already pointed out by Wood (1962) |  | Hiyagon, H., Sugiura, N., Kita, N.T., Kimura, M., Morishita, Y., Takehana, Y. (2016) Origin of the eclogitic clasts with graphite-bearing and graphite-free lithologies in the Northwest Africa 801 (CR2) chondrite: Possible origin from a Moon-sized planetary body inferred from chemistry, oxygen isotopes and REE abundances. Geochimica et Cosmochimica Acta, 186. 32-48 doi:10.1016/j.gca.2016.04.030 | Journal (article/letter/editorial) | | INTRODUCTION Recent studies suggest that differentiated meteorite parent bodies formed before chondrite parent bodies...(GFL) Clast #2 (GBL)(1) Clast #6 (GBL)(1) CR (Renazzo)(2) CR (average)(3) Acapulcoites (typical)(4) Acapulcoites...of GBL. Data sources: Mason and Wiik (1962) for Renazzo, Kallemeyn et al. (1994) for average CR, and Anders...estimated to be 6 10 22 m2/s using the data for diopside obtained at 2.5 GPa (nearly the same high P condition...preexisting minerals (probably plagioclase and diopside) plus some reactions with olivine and opx. Furthermore |  | 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...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...LaPaz Ice Field (LAP) 02342,14; LAP 04720,8; Meteorite Hills (MET) 00426,33; Northwest Africa (NWA) 801 |  | Schrader, Devin L., Connolly, Harold C., Lauretta, Dante S., Nagashima, Kazuhide, Huss, Gary R., Davidson, Jemma, Domanik, Kenneth J. (2013) The formation and alteration of the Renazzo-like carbonaceous chondrites II: Linking O-isotope composition and oxidation state of chondrule olivine. Geochimica et Cosmochimica Acta, 101. 302-327 doi:10.1016/j.gca.2012.09.045 | Journal (article/letter/editorial) | | com/locate/gca The formation and alteration of the Renazzo-like carbonaceous chondrites II: Linking O-isotope...conditions of type-I and type-II chondrules in the Renazzo-like carbonaceous (CR) chondrites, an in situ major-...http://dx.doi.org/10.1016/j.gca.2012.09.045 The Renazzo-like (CR) chondrites are one of the least altered...(2010) studied type-II chondrules in GRA 95229, Renazzo, and MAC 87320 and suggested that their O-isotope...included the most pristine/unaltered CR chondrites, Meteorite Hills (MET) 00426 and Queen Alexandra Range (QUE) |  | | Journal (article/letter/editorial) | | processes have been invoked previously for other meteorite groups. Rubin (2004) studied 210 equilibrated...1 Thin sections examined in the current study Meteorite Sections Classification Shock stage ALH A77081...extinction indicative of shock-stage S5. The meteorite contains several fine-grained metal–troilite assemblages...abundances of phases in acapulcoites and lodranites Meteorite Section Group No. of points ALH A77081 17 acapulcoite...100.0 85.5 5.8 0.0 4.9 0.7 0.1 0.0 3.0 100.0 Meteorite Section Group No. of points Silicate Kamacite |  | | Journal (article/letter/editorial) | | thermal metamorphism experienced by the host meteorite. Oxygen-isotope compositions of olivine and low-Ca...clastic grains (enstatite, olivine, augite, and diopside), and aggregates of non-clastic submicron crystals...in matrix. apt: apatite, Cr-sp: Cr spinel, di: diopside, Fe–H: ferrihydrite, meso: mesostasis, met: Fe–Ni...correlates with petrologic subtype of a host meteorite (e.g., Krot et al., 2004b). The slight enrichment...very low abundances of presolar grains in this meteorite is possibly due to destruction of the presolar |  | | 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 |  | 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...8.056, and all final results for cometary and meteorite samples and reference materials, including Fe-K |  | | 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) | | chondrite 61 Meteorite av. (10 parts silicate, 6.8 parts iron, 1 part troilite) Meteorite av. (10 parts...could be neglected. The troilite content of the meteorite was found in the usual way by treating another...by difference, the zinc content of the whole meteorite having been determined. 3. RESULTS Irons The...zinc in a ~10 mg troilite inclusion from this meteorite gave 800 I_ 150 ppm Zn. Because of loss of material...not good, but since two different pieces of the meteorite were used in obtaining the respective values, |  | | 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) | | (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) | | 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 |  | | 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 |  | | 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...history (4.50–4.54 Ga ago); only one enstatite-rich meteorite (EH4 Bethune) appears to have been impact heated...cooling from high temperatures inferred for the diopside-bearing EL6 chondrite EET 90102 (Fogel, 1997b;...Table 2 Shock stages of enstatite chondrites. Meteorite Group/type Recovery Shock stage Breccia type |  | Goodrich, Cyrena A., Ash, Richard D., Van Orman, James A., Domanik, Kenneth, McDonough, William F. (2013) Metallic phases and siderophile elements in main group ureilites: Implications for ureilite petrogenesis. Geochimica et Cosmochimica Acta, 112. 340-373 doi:10.1016/j.gca.2012.06.022 | Journal (article/letter/editorial) | | (1987). (10) Takeda et al. (1989). (11) Antarctic Meteorite Newsletter 21, #2 (1998). (12) Goodrich et al...crystal/melt partitioning behavior in forsterite and diopside (Malvin and Drake, 1987). Mass balance indicates...Modeling. Cambridge University Press, U.K. Antarctic Meteorite Newsletter 21, #2 (1998). Berkley J. L. (1985)...new mineral: Brezinaite, Cr2S4, and the Tucson meteorite. Am. Min. 54, 1509–1518. Campbell A. J., Simon...investigation of the behavior of Cu and Cr during iron meteorite crystallization. Meteorit. Planet. Sci. 44, 505–519 |  | | Book | | PROFESSOR M. FORNASERI, University of Rome, Rome, Italy Editorial Assistant MME G. PROTAS, C.R.P.G. Nancy-Vandoeuvre...primary ionization rate, JC) for track formation in diopside and hypersthene crystals (Price, Fleischer and...TRACKS WHERE TO FIND HEAVY COSMIC RAY TRACKS a DIOPSIDE - 3 0 PPB 925°K b ANORTHITE ~ 3 PPB 725°K c ENSTATITE...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 |  | | Report (volume) | | .. 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 Gas Geochemistry and Cosmochemistry 9 meteorite parent bodies. Today, the "noble gas alphabet" |
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