 | | Journal (article/letter/editorial) | | 36, pp. 289 to 293, 2002 Special Issue: The Kobe meteorite consortium Preface NOBORU NAKAMURA* Department...Science and Technology, Kobe University, Nada, Kobe 657-8501, Japan The Kobe meteorite fell on September 26...1999, in Kita-ku in the north of Kobe city, Japan. The meteorite fall was widely observed in Kobe and the...amateur photographer in Imabari city, 200 km southwest of Kobe. The meteorite struck a house with an explosive...20 fragments of the meteorite (total mass 136 g) were soon after delivered to Kita Police Headquarters |  | | Journal (article/letter/editorial) | | and N. Nakamura Structural state of plagioclase from the Kobe CK chondrite: Implications for the thermal...Kyushu University, Hakozaki, Higashi − ku, Fukuoka 812 − 8581, Japan ** Department of Earth and Planetary...Kyushu University, Hakozaki, Higashi − ku, Fukuoka 812 − 8581, Japan *** Department of Earth and Planetary...of Science and Technology, Kobe University, Nada, Kobe 657 − 8501, Japan We determined the structural...structural state of six plagioclase crystals from the Kobe meteorite by measuring the separation between the |  | | Journal (article/letter/editorial) | | 2002 Three-dimensional description of the Kobe meteorite by micro X-ray CT method: Possibility of three-dimensional...three-dimensional curation of meteorite samples A KIRA TSUCHIYAMA,1* TOMOKI NAKAMURA,2 TSUKASA N AKANO3...1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan 2 Department of Earth and Planetary Sciences, Graduate...812-8581, Japan 3 Geological Survey of Japan, 1-1-3 Higashi, Tsukuba, Ibaraki 305-8567, Japan 4 Department...Planetary Sciences, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan (Received March 6 |  | | Journal (article/letter/editorial) | | abundances in the CK chondrites including the Kobe meteorite YUSUKE HIROTA,1 M INAKO TAMAKI1 and NOBORU...School of Science and Technology, Kobe University, Nada, Kobe 657-8501, Japan 2 Depatment of Earth and Planetary...Sciences, Faculty of Science, Kobe University, Nada, Kobe 657-8501, Japan (Received February 27, 2002;...2002; Accepted April 30, 2002) The Kobe (CK4) meteorite and other CK chondrites are characterized with respect...chondrites including Ningqiang (CK3), Karoonda (CK4), Kobe (CK4), Y-693 (CK4), A-882113 (CK4), Maralinga (CK4) |  | TOMEOKA, Kazushige, KOJIMA, Tomoko, OHNISHI, Ichiro, ISHII, Yoshitaka, NAKAMURA, Noboru (2005) The Kobe CK carbonaceous chondrite: petrography, mineralogy and metamorphism. Journal of Mineralogical and Petrological Sciences, 100 (3) 116-125 doi:10.2465/jmps.100.116 | Journal (article/letter/editorial) | | Kojima, I. Ohnishi, Y. Ishii and N.100, Nakamura The Kobe CK carbonaceous chondrite: petrography, mineralogy...Sciences, Faculty of Science, Kobe University, Nada, Kobe 657 − 8501, Japan. ** Department of Environmental...Kurokami, Kumamoto 860 − 8555, Japan. A petrographic and mineralogical study of Kobe indicates that it can be...metamorphosed. Olivine and plagioclase are the two most abundant minerals in Kobe. Olivine is very homogeneous...consistent with the metamorphic feature of Kobe. However, plagioclase shows large grain to grain compositional |  | | Journal (article/letter/editorial) | | pp. 341 to 353, 2002 A noble gas study of the Kobe (CK4) chondrite by a stepwise heating method YOSHIKI...Osaka 560-0043, Japan 2 Department of Earth and Planetary Sciences, Faculty of Science, Kobe University,... Nada, Kobe 657-8501, Japan (Received February 13, 2001; Accepted July 27, 2001) We have investigated...and isotopic compositions of noble gases in the Kobe (CK4) chondrite by a stepwise heating method. The...neutron-produced 80Kr, a pre-atmospheric size of Kobe is estimated to be larger than ~23 cm radius, whereas |  | | Journal (article/letter/editorial) | | Vol. 36, pp. 355 to 368, 2002 Noble gases in the Kobe CK4 carbonaceous chondrite N. TAKAOKA,1* T. NAKAMURA...Fukuoka 812-8581, Japan 2 Laboratory for Earthquake Chemistry, University of Tokyo, Bunkyo-ku, Tokyo 113-0033...113-0033, Japan 3 Department of Earth and Planetary Sciences, Faculty of Science, Kobe University, Nada-ku...Nada-ku, Kobe 657-8501, Japan (Received January 29, 2001; Accepted July 12, 2001) The Kobe CK4 carbonaceous...similar to CK chondrites. We have 3.3 Ga for K-Ar age. Kobe contains neutron-induced 80Kr, 82Kr and 128Xe. The |  | | Journal (article/letter/editorial) | | http://www.uark.edu/rneteor Silicate darkening in the Kobe CK chondrite: Evidence for shock metamorphism at...Sciences, Faculty of Science, Kobe University, Nada, Kobe 657-8501, Japan *Correspondenceauthor's e-mail...e-mail address: tomeoka@kobe-u.ac.jp (Received 2001 March 2; accepted in revised form 2001 September 5) ... Abstract-The Kobe CK4 chondrite, like most metamorphosed CK chondrites, exhibits pronounced silicate...electron microscopic study reveals that the matrix of Kobe consists mostly of intermixtures of two types of |  | | Journal (article/letter/editorial) | | (Dhofar 007) and noncumulated (NWA 011). Results: A meteorite shower, 37 pieces weighing a total of 21,270 g...subhedral grains (0.2-0.8 mm) of pyroxene and plagioclase. Accessories are metal, troilite, and chromite...(in v o l l ) is roughly pyroxene (49.9) and plagioclase (47.2), Fe, Ni-metal (1.6), troilite (I.]), chromite...= 34 (atomic), and TiO, content is 0.39 wt%. Plagioclase is anorthite (A%-9z). Chromite is characterized...subhedral grains of pigeonite (0.5-0.6 mm) and plagioclase (0.05-0.1 mm). Accessories are metal, troilite |  | | Journal (article/letter/editorial) | | t e / e p s l Non-destructive observation of meteorite chips using quantitative analysis of optimized...1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan Japan Synchrotron Radiation Research Institute (JASRI)...(JASRI) 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan a r t i c l e i n f o Article history:...October 2010 Editor: T. Spohn Keywords: X-ray CT meteorite a b s t r a c t A method for the non-destructive...LAC value provides information regarding the meteorite structure, such as the internal components and |  | | Journal (article/letter/editorial) | | 560-0043, Japan SPring-8/Japan Synchrotron Radiation Research Institute, Mikazuki, Hyogo Prefecture, 679-5198...679-5198 Japan 3 Geological Survey of Japan/National Institute of Advanced Industrial Science and Technology...Technology, Tsukuba, 305-8567 Japan 4 Department of Complexity Science and Engineering, Graduate School of...Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8561, Japan 2 ABSTRACT A quantitative relation between the...microtomographic system at BL20B2 of SPring-8, Japan. This system, called SP-μCT, uses highly monochromatized |  | | Journal (article/letter/editorial) | | silicates. The two observed CK falls (Karoonda and Kobe), along with thirteen relatively unweathered CK...May 30, 2006). There are two falls, Karoonda and Kobe; most of the other CK chondrites are from the *...pentlandite were the only opaque phases reported in the Kobe fall (Tachibana et al., 2002). In their neutron...C. Smith); MWG, Meteorite Working Group, NASA Johnson Space Center; MetS, Meteorite Show (F. Beroud);...as standards. Standards included the Allende meteorite (Jarosewich et al., 1987), the USGS international |  | | Journal (article/letter/editorial) | | olivine–spinel geothermometry, pyroxene and plagioclase compositions, isotopic data, and distribution...d’Histoire naturelle (Paris, France) and the NASA Meteorite Working Group (Houston, USA). All samples studied...carbonaceous chondrites studied in this work. Meteorite name Abbreviation Group Collection Number...Africa Northwest Africa Northwest Africa Karoonda Kobe Maralinga Tanezrouft 057 779 1559 4724 4425 4423...national d’Histoire naturelle, Paris. MWG = NASA Meteorite Working Group, Houston. a Although classified |  | ALWMARK, Carl, SCHMITZ, Birger, HOLM, Sanna, MARONE, Federica, STAMPANONI, Marco (2011) A 3-D study of mineral inclusions in chromite from ordinary chondrites using synchrotron radiation X-ray tomographic microscopy-Method and applications. Meteoritics & Planetary Science, 46 (8) 1071-1081 doi:10.1111/j.1945-5100.2011.01214.x | Journal (article/letter/editorial) | | Information about the silicate matrix of the original meteorite, however, can be derived from mineral inclusions...information about a former host meteorite as do studies of an unweathered whole meteorite, meaning that this technique...technique is essential in the studies of ancient meteorite flux to Earth. INTRODUCTION It is generally believed...small inclusions of the matrix minerals of the meteorite, and that these mineral inclusions can survive...S-3400N, Hitachi High-Technologies Co., Ltd, Tokyo, Japan) with a backscatter detector. Compositional analyses |  | | Journal (article/letter/editorial) | | Abstract available online at http://meteoritics.org Meteorite 3-D synchrotron microtomography: Methods and applications...results offer a new way to qualitatively assess meteorite textures. Quantitative results were extracted...of the Martian meteorite ALH 84001 at two commercial X-ray scanning facilities in Japan, with voxels 9...× 16 × 50 μm. They were able to distinguish plagioclase-normative glass, orthopyroxene, cracks, chromite...instrument. Based on their study of the Kobe (CK4) meteorite, Tsuchiyama et al. (2002) proposed nondestructive |  | | Journal (article/letter/editorial) | | .00 Pergamon PII S0016-7037(02)00885-2 A plagioclase– olivine–spinel–magnetite inclusion from Maralinga...zonal structure: The core consists of a porous plagioclase– olivine–Ca-rich pyroxene intergrowth with subordinate...texture is meta-gabbro-like, similar to other plagioclase– olivine inclusions (POIs). The mantle has variable...symplectitic intergrowth of spinel (hercynite) and plagioclase with abundant dispersed magnetite, subordinate...discontinuous crust of MaTroc consists mainly of plagioclase with some olivine and magnetite. The Mg-Fe phases |  | | Journal (article/letter/editorial) | | individual silicate minerals (olivine, pyroxene, and plagioclase), as these phases have been shown to record the...and the remaining sample mass are housed in the meteorite collection at Colby College. Backscattered electron...magnetite; defocused electron beam (3 lm) for plagioclase; and peak and background counting times of 10–40...olivine (Mg, Fe), Ni-olivine (Ni), orthoclase (K), plagioclase (Al), chromite (Cr), troilite (S), anorthite...high-Ca pyroxene (16.1 9.5 lm) and euhedral plagioclase grains (18.3 8.6 lm) are also present; however |  | | Journal (volume) | | Notkin G., Gurdziel A., New finds iin the Morasko meteorite preserve, Poland . . . . . . . . . . . . . . ...Germany Arnold Gucsik Osaka University Osaka, Japan Philippe Schmitt-Kopplin Helmholtz Zentrum München...Wyspiańskiego 27 50-370 Wrocław, Poland Polish Meteorite Society Będzińska 60 41-200 Sosnowiec, Poland...a radial pyroxene chondrule from the Pułtusk meteorite. Horsetailing structure at the termination of...indepth analyses and compilations on particular meteorite groups and their parent bodies, as well as the |  | | Journal (article/letter/editorial) | | and Tl). We used the Allende Standard Reference Meteorite (Jarosewich et al. 1987) dissolved with the same...Hirota et al. (2002) samples may be depleted in plagioclase. However, this compositional irregularity will...study. We infer that inhomogeneous sampling or plagioclase depletion is the source of the Eu anomaly and...NIPR of Japan for allocating the two Asuka Antarctic meteorites from their collection. The Meteorite Working...Working Group is thanked for the other Antarctic meteorite allocations. Mulga (west) was provided by the |  | | Journal (article/letter/editorial) | | et al. (2006), there is a common assumption in meteorite taxonomy that all meteorites in the same group...standards. The precision (1r) quoted for individual meteorite samples analyzed in this study is based on replicate...Fe–Mg silicates are mid-grey, dark areas are plagioclase rich. The magnetite-rich object to the right...The magnetite grain is enclosed by a rim of plagioclase (dark grains). (g) Karoonda (CK4 fall) type I... 1991). Dark areas within the chondrule are plagioclase, bright areas are magnetite. (h) Altered CAI |  | | 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 |  | Kent, Jeremy J., Brandon, Alan D., Joy, Katherine H., Peslier, Anne H., Lapen, Thomas J., Irving, Anthony J., Coleff, Daniel M. (2017) Mineralogy and petrogenesis of lunar magnesian granulitic meteorite Northwest Africa 5744. Meteoritics & Planetary Science, 52 (9) 1916-1940 doi:10.1111/maps.12898 | Journal (article/letter/editorial) | | and petrogenesis of lunar magnesian granulitic meteorite Northwest Africa 5744 Jeremy J. KENT1* , Alan...revision accepted 26 April 2017) Abstract–Lunar meteorite Northwest Africa (NWA) 5744 is a granulitic breccia...crustal lithology not previously described. This meteorite is the namesake and first-discovered stone of...Joy and Arai 2013; Gross et al. 2014). Lunar meteorite Northwest Africa (NWA) 5744, found in Mali in...granulitic breccia. It is composed primarily of plagioclase (partially converted to maskelynite), olivine |  | Dunn, Tasha L., Gross, Juliane, Ivanova, Marina A., Runyon, Simone E., Bruck, Andrea M. (2016) Magnetite in the unequilibrated CK chondrites: Implications for metamorphism and new insights into the relationship between the CV and CK chondrites. Meteoritics & Planetary Science, 51 (9) 1701-1720 doi:10.1111/maps.12691 | Journal (article/letter/editorial) | | both reduced and oxidized material. The Mokoia meteorite is a CVoxB breccia containing clasts CVoxA material...CV and CK chondrites analyzed in this study. Meteorite Name Abbrev. Type Source Dar al Gani 431 Dhofar...chondrites, it has been extensively studied in both meteorite groups (e.g., Haggerty and McMahon 1979; Rubin...estimated for shock metamorphism of the CK4 chondrite Kobe (~873 K) are below the temperatures at which CV...Meteoritics 15:93–94. Chapman C. R. 1976. Asteroids as meteorite parent-bodies— The astronomical perspective. Geochimica |  | | Journal (article/letter/editorial) | | dispersal of CK chondrites along the IIIAB iron meteorite isochron on a 187 Os/188Os versus 187 Re/188Os...Pd, Ba, Nd, Sm, and other elements at the bulk meteorite scale (e.g., Dauphas et al., 2002; Yin et al....influence the bulk isotopic composition of a meteorite due to their anomalous s-, r-, or pprocess dominated...samples were obtained from the NASA Antarctic Meteorite collection (ALH 84028, ALH 85002, EET 92002, EET...NWA 5798 (CK4) were purchased from commercial meteorite dealers. These chondrite samples were analyzed |  | | Journal (article/letter/editorial) | | as fracture networks within the Nakhla Martian meteorite. Unpolished sections from the XCT-imaged sample...petrography are an investigation of an interconnected plagioclase network in an H7 chondrite (Tait et al., 2014)... Tait et al. (2014) demonstrated that large plagioclase crystals that appear isolated within 2D section...chondrules when feasible. 5.2. Petrofabrics Fig. 9. Plagioclase network from XCT data of H7 ordinary chondrite...chondrite Watson 012 from Tait et al. (2014). (a) Plagioclase rendered in grey over colorized skeleton network |
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