 | | Journal (article/letter/editorial) | | Printed in USA Fractionation of refractory siderophile elements in metal from the Rose City meteorite E. RUBIN...California, Los Angeles, California 90095-1567, USA (Received 1994 December 8; accepted in revised form...silicate melt and a relict chondritic clast in the Rose City H5 impact-melt breccia is compositionally heterogeneous...metal in extensively impact-melted OC such as Rose City may have a significantly different composition...of metal (RCl) from Rose City was analyzed in the present study. This meteorite is the most extensively |  | | Report (issue) | | of Michigan – Page 1 of 20 ILLUSTRATIONS Geological Survey Bulletin 5 METEORITES OF MICHIGAN by VON...Abrams Planetarium Michigan State University Illustrated by James M. Campbell Michigan Department of Conservation..............................................14 Michigan Iron............................................Reed City............................................................................15 Rose City................ 6 Figure 5. Orbit of December 1965 meteorite ........................... 6 Figure 6. Observations |  | | 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...King (1979) noted its textural similarity to the Rose City and Myersville H-chondrite impactmelt breccias...amounts of relict chondritic material—for example, Rose City, H5 (Mason and Wiik, 1966; Fruland, 1975), Cat |  | | Journal (article/letter/editorial) | | silicate darkening and compositionally variable plagioclase in CK and ordinary ehondrites ALAN E. RUBIN Institute...University of California, Los Angeles, CA 90024, USA (Received June 10, 1991; accepted in revisedform...tend to have plagioclase with uniform compositions; shocked OC tend to have plagioclase with more variable...stoichiometric) compositions. The low impedance of plagioclase to shock compression makes it particularly susceptible...the molten appearance of plagioclase in highly shocked OC (e.g., Rose City and Paragould). CK chondrites |  | 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...by larger (up 10 I mm) orthopyroxene grains: plagioclase occurs between orthopvroxene . crystals and rare...cryptocrystalllne material occurs withln the plagioclase. The skeletal olivine crystals contam 0.08-0...kilometers In diameter on Its meteorite parent hod! 1. INTRODUCTION SHAW meteorite has a bulk composition...geothermometry (ONUMA et al.. 1972) indicates that the meteorite experienced temperatures of up to 1300 C. Also |  | | Journal (article/letter/editorial) | | University of California, Los Angeles, CA 90095-1567, USA b Department of Earth and Space Sciences, University...University of California, Los Angeles, CA 90095, USA c Department of Chemistry and Biochemistry, University...University of California, Los Angeles, CA 90095, USA Received 10 January 2011; accepted in revised form 5 April...olivine and low-Ca pyroxene compositions, and many plagioclase grains that exceed 50 lm. (Olivine is absent...as type 5 are impact-melt breccias: e.g., H5 Rose City (Mason and Wiik, 1966; Fruland, 1975; Rubin, 1995a) |  | | Journal (article/letter/editorial) | | Copyright © 2003 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/03 $30.00 ⫹ .00 Pergamon...doi:10.1016/S0016-7037(03)00107-8 Chromite-Plagioclase assemblages as a new shock indicator; implications...University of California Los Angeles, CA 90095-1567, USA Abstract—Chromite in ordinary chondrites (OC) can...into fractures in chromite grains. Chromite-plagioclase assemblages occur in nearly every shock-stage...grains surrounded by plagioclase or glass of plagioclase composition. Plagioclase has a low impedance |  | | Journal (article/letter/editorial) | | contain the same phases present in the body of the meteorite, either as vug wall lining or as crystals attached...Tadjera, and with published reports ofvugs in Rose City and Shaw. It is concluded that although shock...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...micrometers. d. Farmington. Formless, porous plagioclase attached to granular olivine. Small specks are |  | | Journal (article/letter/editorial) | | Copyright © 2001 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/01 $20.00 ⫹ .00 Pergamon...PII S0016-7037(00)00516-0 The Portales Valley meteorite breccia: Evidence for impact-induced melting and...California, Los Angeles, California 90095-1567, USA Department of Chemistry and Biochemistry and Department...University of California, Los Angeles, California 90095, USA 3 Department of Geological Sciences, University of...of Texas at Austin, Austin, Texas 78712-1101, USA (Received July 21, 1999; accepted in revised form July |  | | 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...Abstract—In addition to shock effects in olivine, plagioclase, orthopyroxene and Ca-pyroxene, petrographic...chondrites (OC) include chromite veinlets, chromite-plagioclase assemblages, polycrystalline troilite, metallic...as L6 because it contains some large (⬎50 m) plagioclase grains. Hammadah al Hamra 027, classified as |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Journal (article/letter/editorial) | | supported by NSF grant EAR 76-01146. THE SHAW METEORITE: EVIDENCE FOR AN IGNEOUS ORIGIN J.L. Berkley...Johnson Space Center, Houston, TX 77058 The Shaw meteorite has Lgroup chondritic bulk chemistry and mineralogy...recrystallization, support an igneous origin for the Shaw meteorite. Data are presently insufficient to determine...million years in one fragment of the Dhajala meteorite have been measured. The variation of 54Mn and...indicate that the preatmospheric size of the meteorite was at least about a ton. The activity due to |  | | 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...metal-sulfide intergrowths, agglutinates, chromite-plagioclase assemblages, melt pockets, and various kinds...Mittlefehldt and Lindstrom 2001), partly melted (e.g., Rose City and Cat Mountain; Fruland 1975; Kring et al. 1996)...olivine (3.6); Fs25 low-Ca pyroxene (3.4); An10 plagioclase (2.63); troilite (4.67). Mineral compositions |  | | Journal (article/letter/editorial) | | Copyright © 1997 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/97 $17.00 + .00 Pergamon...California, Los Angeles, California 90095-1567, USA 2Hawai'i Institute of Geophysics and Planetology...University of Hawai'i at Manoa, Honolulu, Hawai'i 96822, USA (Received May 30, 1996; accepted in revisedform...later from a 2 m-deep pit in a wheat field. The meteorite has been the object of numerous studies (e.g....sections examined in this study. Group/type Meteorite Sample number EH3 EH3 EH3 EH3 EH3 EH3 EH3 EH3 |  | | Journal (article/letter/editorial) | | University ofOxford, Oxford OX] 3PR, England Whole meteorite samples taken from different individuals of Bruderheim...pyroxene, magnetite [Fe2+0) [Fer03) and other meteorite minerals has been to assume secondary reactions...coarser matrices of "recrystallized" chondrites, plagioclase tends to be interstitial to olivine and pyroxene...produced thin "black veins" consisting mainly of plagioclase and troiIite, and may have contributed to recrystallization...February, 1972, near the town of Kenna, Roosevelt County, New Mexico, U.S.A., weighed 10.9 kg, and measured |  | | Journal (article/letter/editorial) | | main gtoup palfasites and IIIAB irons. These meteorite groups appear closely related based (m composition...petrogenetic processes may have produced these meteorite types from similar starting compositions. This...This grouping does not imply that all these meteorite types are from a single parent body, although this...large datafile’haa been compiled ofwhole iack meteorite and c&t analyses of eucr&s, polymict eucritea...olivine, orthopyroxene, pigeonite, augite and plagioclase, significant fractionations of one element from |  | | Book | | composition of stone meteorites. How to recognize a meteorite. Brazilian stone meteorites. 7.1. ACHONDRITES...Governador Valadares. 7.1.3. Monomict pigeonite-plagioclase achondrites . . . Ibitira. Serra de Mage.:. 7...chondrite . Parambu. Acknowledgments . References.^.. Meteorite index. Page 1 3 11 29 35 45 47 48 48 48 61 61...during the agglomeration of the meteorite parent bodies. When a meteorite is seen to fall and material is...is collected, the meteorite is referred to as a fall. On the other hand, a meteorite find is the by-chance |  | | Journal (article/letter/editorial) | | journal pertain. Formation of non-magmatic iron-meteorite group IIE John T. Wasson Department of Earth,...University of California Los Angeles, CA 90095-1567 USA (jtwasson@ucla.edu) Abstract. Instrumental neutron-activation...showed that metal in Elga, which has similar plagioclase-rich inclusions, has a similar composition. Similar... Globular IIE silicates commonly consist of plagioclase-rich silicates and glass that are generally inferred...diopside; the other minerals probably include sodic plagioclase and orthopyroxene reported by Takeda et al. (2003) |  | | Book | | METEORITE MINERALOGY Meteorites are fascinating cosmic visitors. Using accessible language, this book...book documents the history of mineralogy and meteorite research, summarizes the mineralogical characteristics...photographs of meteorite minerals, and with an accompanying online list of meteorite minerals, this book...book provides a useful resource for meteorite researchers, terrestrial mineralogists, cosmochemists,...students in these fields. a l a n e . r u b i n is a meteorite researcher who recently retired from the University |  | | Journal (article/letter/editorial) | | compared to the grain densities of their inferred meteorite analogs (Carry, 2012). Low asteroid densities...measured the bulk porosity of a wide variety of meteorite samples using ideal-gas pycnometry, including...(2018) noted a range of textures in chondrule plagioclase that indicate alteration by a metasomatic fluid...fine-grained assemblage typically consisting of albitic plagioclase, Ca-pyroxene, and oxides that form from devitrification...abundant μm to sub-μm pores, fine-grained albitic plagioclase, Ca-pyroxene, and oxides consistent with crystallization |  | Matsumoto, Toru, Tsuchiyama, Akira, Uesugi, Kentaro, Nakano, Tsukasa, Uesugi, Masayuki, Matsuno, Junya, Nagano, Takashi, Shimada, Akira, Takeuchi, Akihisa, Suzuki, Yoshio, Nakamura, Tomoki, Nakamura, Michihiko, Gucsik, Arnold, Nagaki, Keita, Sakaiya, Tatsuhiro, Kondo, Tadashi (2016) Nanomorphology of Itokawa regolith particles: Application to space-weathering processes affecting the Itokawa asteroid. Geochimica et Cosmochimica Acta, 187. 195-217 doi:10.1016/j.gca.2016.05.011 | Journal (article/letter/editorial) | | discussion. We cut a ~5 mm thick slice of the Tuxtuac meteorite (LL5) using a precision saw and observed the surface...the cross section. The Tuxtuac meteorite is classified as a fall meteorite in the Meteoritical 6 Bulletin...(http://www.lpi.usra.edu/meteor/). The Tuxtuac meteorite lacks extensive brecciation and exhibits some...of single olivine crystals from San Carlos, AZ, USA (Fo91.8), and low-Ca pyroxene (orthopyroxene) from...done prior to the observations, except for the meteorite slice, which was cleaned in an ultrasonic bath |  | | Journal (article/letter/editorial) | | University of California, Los Angeles, CA 90095-1567, USA Institute of Geophysics and Planetary Physics, University...University of California, Los Angeles, CA 90095-1567, USA c Division of Geological and Planetary Sciences,...California Institute of Technology, Pasadena, CA 91125, USA b a r t i c l e i n f o Article history: Received...University of California, Los Angeles, CA 90095-1567, USA. http://dx.doi.org/10.1016/j.chemer.2017.01.005 0009-2819/©...the IMACNMNC, including 17 from the Allende CV3 meteorite (Ma, 2015a) and high-pressure phases such as bridgmanite |  | | Journal (article/letter/editorial) | | Copyright © 1998 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/98 $19.00 1 .00 Pergamon...Institute of Technology, Pasadena, California 91125, USA (Received January 14, 1998; accepted in revised form...major Re-Os fractionation to early heating of the meteorite, above the Fe-FeS eutectic. We do not consider...Papanastassiou, and G. J. Wasserburg defined iron meteorite isochron. Luck et al. (1980) and Luck and Allègre...ordinary chondrites generally plotted above the iron meteorite isochron. Walker and Morgan (1989) using RIMS |  | Ruzicka, Alex, Brown, Ryan, Friedrich, Jon, Hutson, Melinda, Hugo, Richard, Rivers, Mark (2015) Shock-induced mobilization of metal and sulfide in planetesimals: Evidence from the Buck Mountains 005 (L6 S4) dike-bearing chondrite. American Mineralogist, 100 (11) 2725-2738 doi:10.2138/am-2015-5225 | Journal (article/letter/editorial) | | 2, Richard Hugo2 and Mark Rivers5 1 Cascadia Meteorite Laboratory, Portland State University, 1721 SW...metal accumulations in substantially unmelted meteorite parent bodies, and they have implications for...segregation processes during dike formation. The meteorite was studied with serial sectioning, X‑ray computed...metal that is present near the surface of the meteorite, away from the dike (Fig. 1b). Sectioning through... Coarse metal is locally present in the host meteorite and interconnects with the side veins (Figs. 3a |
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