 | | Journal (article/letter/editorial) | | Pergamon PreaLtd. Printed inNorthern Ireland The Shaw meteorite KURT FREDRXSSON and BRIAN MMION U.S. National...accepted in retied form 8 May 1907) Ab&&-Shaw is an unusual meteorite, having chondritic composition but lacking...brief account of the f&id: “Rex Anderson of Shaw, Colorado, was one of the individuals who heard about...rare group of amphoteritea”. Shaw is a hamlet in Lincoln County, Colorado, about 100 miles due east of...Museum in October 1937, and is No. 1236 in the meteorite collection ; a piece from this specimen has been |  | | Journal (article/letter/editorial) | | CretaceousTertiary boundary clays hthe westem interior of the USA Geochim. Cosmochim.Acta 56,1695-1703. Scmmz B., ANDRRSSON...boundary in Haiti. Nature 349,482487. SMIT J. (1990) Meteorite impact, extinctions and the Cretaceous-Tertiary...Abstract-Bison LL6 chondrite is an impact breccia. The meteorite consistsof unmolten clasts and accemy melt-breccia...fragments totalling 11 kg were found in Rush County, Kansas, USA. The Catalogue of Mefeon'fes(Graham ef af...there may be a strewn field associated with this meteorite. I have seen the original 3 kg piece and I can |  | Rubin, Alan E., Rehfeldt, Angeline, Peterson, Eric, Keil, Klaus, Jarosewich, Eugene (1983) FRAGMENTAL BRECCIAS AND THE COLLISIONAL EVOLUTION OF ORDINARY CHONDRITE PARENT BODIES. Meteoritics, 18 (3) 179-196 doi:10.1111/j.1945-5100.1983.tb00820.x | Journal (article/letter/editorial) | | clast-bearing fragmental breccias. We consider any meteorite that contains one or more impact melt-rocks or...fragmental breccia, even though large portions of the meteorite may appear unbrecciated. Differences in the abundances...Chateau-Renard (L6), Johnson City (L6) and Lincoln County (L6), were selected for more detailed study...been acquired prior to breccia metamorphism. Lincoln County contains a heterogeneous, unequilibrated melt-rock...Institution. Every available specimen of each meteorite was examined. Antarctic chondrites were avoided |  | Casanova, I., Keil, K., Wieler, R., Miguel, A. San, King, E. A. (1990) Origin and history of chondrite regolith, fragmental and impact-melt breccias from Spain. Meteoritics, 25 (2) 127-135 doi:10.1111/j.1945-5100.1990.tb00984.x | Journal (article/letter/editorial) | | (1990) © Meteoritical Society, 1990. Printed in USA Origin and history of chondrite regolith, fragmental...University of New Mexico, Albuquerque, NM 87131, USA 2ETH-Zurich Institut fiir Kristallographie und Petrographie...Geosciences, University of Houston, Houston, TX 77004, USA *New address: Planetary Geosciences Division, Hawaii...University of Hawaii at Manoa, Honolulu, HI 96822, USA (Received 9 October 1989; accepted in revised/arm...rock clasts. INTRODUCTION THE SPANISH NATIONAL METEORITE COLLECTION of the Museo Nacional de Ciencias Naturales |  | Taylor, G.J, Keil, Klaus, Berkley, J.L, Lange, D.E, Fodor, R.V, Fruland, R.M (1979) The Shaw meteorite: History of a chondrite consisting of impact-melted and metamorphic lithologies. Geochimica et Cosmochimica Acta, 43 (3) 323-337 doi:10.1016/0016-7037(79)90198-4 | Journal (article/letter/editorial) | | The Shaw meteorite: history of a chondrite consisting of impact-melted and metamorphic lithologies G...Center. Houston. TX 77058. U.S.A Abstract-The Shaw L-group chondrite conSlsts of three Intermingled...slab shows. contrary 10 published opinions. that Shaw contains normal L-group chondrite abundances of...kamacite (7.1 wt”,, Nil. These data Indicate that Shaw is a partly-melted shock-breccia. The light-colored... The Shaw impact event probably formed a crater several kilometers In diameter on Its meteorite parent |  | | Journal (article/letter/editorial) | | 30 kbar G. J. TAYLOR, KLAUS KEIL, 323 The Shaw meteorite: history of a chondrite consisting of impact-melted...Noble gases, carbon and sulfur in Allende (C3) meteorite heated at 400-1000°C 405 Sulfur isotope studies...Clarke Book Reviews RICHARDA. F. GRIEVE 449 “Meteorite Craters”, edited by G. J. H. MCCALL MARC VUAGNAT...ANDREW M. DAVIS Trace elements in the Allende meteorite-IV. boid olivine aggregates J. H. CROCKETand...northwest Atlantic CARLOSW. RAPELAand DENIS M. SHAW 1 I17 Trace and major element models of granitoid |  | Berkley, John L, Brown, H.Gassaway, Keil, Klaus, Carter, N.L, Mercier, J-C.C, Huss, Glenn (1976) The Kenna ureilite: an ultramafic rock with evidence for igneous, metamorphic, and shock origin. Geochimica et Cosmochimica Acta, 40 (12) 1429-1437 doi:10.1016/0016-7037(76)90079-x | Journal (article/letter/editorial) | | U.S.A. and GLENN Huss American Meteorite Laboratory, Denver, Colorado 80201, U.S.A. (Received 15 October...February, 1972 near the town of Kenna, Roosevelt County, New Mexico, U.S.A., weighed 10.9 kg, and measured...14.2 cm; it is the seventh known ureilite. The meteorite is composed of xenoblastic olivine (Fo,~.~), commonly...Mg-rich augite to augite), andesine, K-feldspar, chromite, and siliceous CaO- and alkali-rich glasses of...ranch, 4 miles N and 13 miles E of Kenna, Roosevelt County, New Mexico, U.S.A. The single specimen measures |  | | Journal (article/letter/editorial) | | Copyright © 2002 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/⫺1898 $22.00 ⫹ .00...University of California, Los Angeles, CA 90095-1567, USA (Received October 20, 2000; accepted in revised form...a single stone in a cultivated field in Hockley County, Texas, in 1968 (Grady, 2000). In his brief description...et al., 1996), Chico, L6 (Bogard et al., 1995), Shaw, L6 (Taylor et al., 1979), Ramsdorf, “L7” (Yamaguchi...3.3; metallic Fe-Ni, 7.95; troilite, 4.67; and chromite, 4.7 g cm⫺3. Sizes of constituents were determined |  | | Journal (article/letter/editorial) | | THE COMPOSITION OF THE CHASSIGNY METEORITE Brian Mason, J.A. Nelen Smithsonian Institution Wadlington...mass spectrometric analysis of the Chassigny meteorite has given the following data (in ppm): Rb 0.4...mineralogical and textural features, indicate that this meteorite is an olivinerich cumulate, possibly genetically...to the nakhlites. INTRODUCTION The Chassigny meteorite fell on October 3, 1815, near the village of Chassigny...distributed in collections. Chassigny is a unique meteorite, an olivine achondrite showing no close relationship |  | | Journal (article/letter/editorial) | | 2004 Copyright © 2004 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/04 $30.00 ⫹ .00 Pergamon...University of California, Los Angeles, CA 90095-1567, USA (Received February 28, 2003; accepted in revised...equilibrated ordinary chondrites (OC) include chromite veinlets, chromite-plagioclase assemblages, polycrystalline...veins are present, making it difficult to identify chromite veinlets. In reflected light, many limonite veins...almost identical in shade to chromite veinlets. Nevertheless, most chromite veinlets are composed of individual |  | | Journal (article/letter/editorial) | | Texas 77058, USA 2Mail Code SN2, NASA Johnson Space Center, Houston, Texas 77058, USA TPresent address:...NASA Johnson Space Center, Houston, Texas 77058, USA *Correspondence author's e-mail address: david.w...indicated that it is an unusual meteorite (Score and Lindstrom, 1992b). The meteorite is a medium- to coarse-grained...unlike published descriptions of the L-chondrite Shaw (Dodd et al., 1975; Fredriksson and Mason, 1967;...similar to the light-colored, poikilitic lithology of Shaw (Taylor et al., 1979) and to poikilitic clasts in |  | Keil, Klaus, Fodor, R.V., Starzyk, P.M., Schmitt, R.A., Bogard, D.D., Husain, L. (1980) A 3.6-b.y.-old impact-melt rock fragment in the plainview chondrite: Implications for the age of the H-group chondrite parent body regolith formation. Earth and Planetary Science Letters, 51 (2) 235-247 doi:10.1016/0012-821x(80)90207-1 | Journal (article/letter/editorial) | | others like it) is not a new type of achondritic meteorite, but formed by impact melting and fractionation...suggests that regolith formation processes on meteorite parent bodies took place as recently as ~<3.63...chondrite Shaw [ 19], except that it lacks the aligned and skeletal olivine crystals that Shaw has. In...host, and H-group chondrites in general. A few chromite grains, ~0.10 mm in size, were also observed throughout...metallic nickel-iron and troilite (white) and some chromite (dark gray, high relief, center top). Gray are |  | | Journal (article/letter/editorial) | | California, Los Angeles, California 90095–1567, USA National Institute of Aerospace, Hampton University...100 Exploration Way, Hampton, Virginia 23666–6186, USA * Corresponding author. E-mail: aerubin@ucla.edu...approximately 1 Ga ago. About 30 vol% of the meteorite consists of a melt matrix containing faceted and...Cape York IIIAB iron commonly contain clusters of chromite crystals (4.7 g cm)3) concentrated at one end...Antarctica in 2006 and described in Antarctic Meteorite Newsletter 31(2) as having a ‘‘melt-textured matrix |  | | Journal (article/letter/editorial) | | mineralogy and composition (Dodd, 1974), but the meteorite also contains intensely shocked and blackened...(H-5; Fodor and Keil, 1973 and in press), Adams County (H-5; Fodor et al., 1974a), and Bhola (LL.?; Fodor...selected grains of olivine, pyroxenes, glass, and chromite; and 3, semi-quantitative analyses of Fe and Ni...microcrystalline pyroxenes, reddish-brown glass, and minor chromite, troilite, and metal. Very rare grains of a phosphate...fibrous pyroxenes and glass.Most opaque material is chromite. Table 1 Modal analyses (vol. %) of St. Mesmin |  | | Journal (article/letter/editorial) | | MINERALOGIST, \iOL 56, JANUARY FEBRUARY, 1971 CHROMITE AND ILMENITE IN NONCHONDRITIC METEORITES T. E...Mer,ico, Albwquerque,I{eu Me*ico 87106. ABSTRACT Chromite composition in pallasites, mesosiderites, monomict...a few miscellaneous meteorites is reiated to meteorite classification and oxygen fugacities; Feo/FeotMgo...Feo/FeotMgo ratios in coexisting olivine and chromite increase from pallasites (low oxygen fugacities) to monomict...fugacities). The Mg-Fez+ distribution coefficients in chromite-olivine pairs appear to be useful in estimating |  | | Journal (article/letter/editorial) | | California, Los Angeles, California 90095–1567, USA 2 Lunar and Planetary Laboratory, The University...85721–0092, USA 3 Department of Geosciences, The University of Arizona, Tucson, Arizona 85721–0077, USA * Corresponding...solidified metal-sulfide intergrowths, agglutinates, chromite-plagioclase assemblages, melt pockets, and various...irradiated for 8 h at the USGS TRIGA Reactor, Denver, Colorado. Linear interpolation based on position within...LaPaz Icefield 04581 is listed in the Antarctic Meteorite Newsletter 30(2) as having undergone minor to |  | Palme, H, Schultz, L, Spettel, B, Weber, H.W, Wänke, H, Michel-Levy, M.Christophe, Lorin, J.C (1981) The Acapulco meteorite: Chemistry, mineralogy and irradiation effects. Geochimica et Cosmochimica Acta, 45 (5) 727-752 doi:10.1016/0016-7037(81)90045-4 | Journal (article/letter/editorial) | | The Acapulco meteorite: chemistry, mineralogy and irradiation effects H. PALME.L. SCXULTZ,B. SPETTEL...accepted in revisedform 14 January 1981) Acapulco meteorite fell in August, 1976, at El Quemado, near Acapulco...mineral chemical data indicate formation of the meteorite under AWra&--The redox conditions intermediate...E- and H-chondrites, with some Tfi~ ACAPULCO*meteorite fell on August 11, 1976 at similarities to those...petrographical and minersimilar to Antarctic meteorite Allan Hiifs A 77081. alogicai study (~1s~~~ MICHEL-LEVYand |  | WEIRICH, J. R., WITTMANN, A., ISACHSEN, C. E., RUMBLE, D., SWINDLE, T. D., KRING, D. A. (2010) The Ar-Ar age and petrology of Miller Range 05029: Evidence for a large impact in the very early solar system. Meteoritics & Planetary Science, 45 (12) 1868-1888 doi:10.1111/j.1945-5100.2010.01124.x | Journal (article/letter/editorial) | | Arizona 85721, USA 2 Lunar and Planetary Institute, 3600 Bay Area Blvd., Houston, Texas 77058, USA 3 Department...Arizona, 1040 E 4th St., Tucson, Arizona 85721, USA 4 Geophysical Laboratory, Carnegie Institution of...Rd. NW, Washington, District of Columbia 20015, USA * Corresponding author. E-mail: jweirich@lpl.arizona...constrain the time–temperature history of the meteorite. By examining heavily shocked or shock-melted...et al. 2004; Swindle et al. 2009). Antarctic meteorite Miller Range (MIL) 05029 was initially selected |  | | Journal (article/letter/editorial) | | similar in mineraiogy and chemistry to the host meteorite, but display shock rnet~o~hi~ features, produced...greater than 300 kbar. THE PAMPA dei Iniierr~o meteorite was found in a ploughed field at Avia Terai...(1974) reported a new chemical analysis for this meteorite and confirmed its classification as an ordinary... The various shock m~amo~hic features in the meteorite are used in conjunction with experimental shock-wave...Polished thin sections and polished sections of the meteorite were studied in both transmitt~ and reflected |  | | Journal (article/letter/editorial) | | THE HEDJAZ METEORITE K. Fredriksson and B.J. Fredriksson National Museum of Natural History Department...Washington, D.C. 20560 F. Kraut* The Hedjaz meteorite has been studied in detail and on a chemical basis...The exact date and place of fall of the Hedjaz meteorite is unknown. However, according to bedouins (Couyat...confidently appreciate the pre-electron probe meteorite studies of, e.g. Tschermak (1885). PETROLOGY AND...are actua1ly planes or "sheets" along which the meteorite occasionally was fractured as illustrated in Figure |  | | Journal (article/letter/editorial) | | some alkali acidic rocks . BRAXXMUOX: The Bununu meteorite, and a diiuseion of the pyroxene-plagioolaae aohondritea...of minor metals in the Roaky Hill stock, Tulare county, California . . . . . . . . . . . . G. FALXE, J...austraiitos . . . S. EL TA~OB: Composition of meteorite impact glass acrossthe Henbury etmwr&ld . . J...BBIAN ?dASON and E. Jurosrcwrcrr: The Winona meteorite . . . . . . . BBIAN MaSON: C&vine composition...iron meteorite Fallinge, Sweden . . . . . . . T. E. BUNCH, KLAUS I&m and K. G. SNETSINQER: Chromite composition |  | | Journal (article/letter/editorial) | | contain the same phases present in the body of the meteorite, either as vug wall lining or as crystals attached...and with published reports ofvugs in Rose City and Shaw. It is concluded that although shock events may...heating above the liquidus for the body of the meteorite, local pockets ofmelting and vapor formation do...compositional variation exists in the body of the meteorite. Visual comparisons of Fe-Mg peak heights in olivines...pyroxene, and other phases. Accessory Phases Chromite was encountered only two times. Each time it was |  | | Journal (article/letter/editorial) | | E., FODORR. V. AND FRULAND R. M. (1979) The Shaw meteorite: History of a chondrite consisting of impact-melted...Center, Houston, Texas 77058, USA 3Lockheed-ESC,Houston, Texas 77058, USA (Received I993 January 15; accepted...petrogenesis, such as Juvinas, Haraiya and Sioux County (Takeda et al., 1983). Radiometric dating of several...which indicates that these opaque minerals may be chromite and ilmenite. Such clouding is rare in the recrystallized... silica phase, chromite, and Ca-phosphate (Table 3). Compositions of the to chromite range from Fel.o(Crl5Al04Ti~1)04 |  | | Journal (article/letter/editorial) | | of Chemistry, Fordham University, Bronx, NY 10458 USA Department of Earth and Planetary Sciences, American...American Museum of Natural History, New York, NY 10024 USA 3 Faculty of Science, Ibaraki University, Mito 310-8512...the work of Dodd et al. (1975) on the Shaw L chondrite. For Shaw, they inferred peak temperatures of at...heating and resulting composition and textures of the Shaw chondrite was due to impact (e.g. Taylor et al.... 5 analysis, the Allende Standard Reference Meteorite (Jarosewich et al., 1987) is used for external |  | | Journal (article/letter/editorial) | | California Institute of Technology, Pasadena, CA 91125, USA Received 20 April 2006; accepted in revised form...olivines, pyroxenes, spinels, and feldspars in each meteorite are given in Tables 2a–2d. We rejected an analysis...1 Ordinary chondrites examined in this study Meteorite Class Shock stagea Find/fall Thin sectionb...used it as our representative L4. The average chromite (FeCr2O4, Chr) contents of spinels in type 4–6...in ordinary chondrites is Cr-rich. The range of chromite contents in Cr-rich spinels found in the literature |
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