 | | Journal (article/letter/editorial) | | This article was downloaded by: [New York University] On: 14 May 2015, At: 12:59 Publisher: Taylor &...http://www.tandfonline.com/loi/tigr20 Origin of chromite ores and surrounding hyperbasites A. A. Marakushev...this article: A. A. Marakushev (1981) Origin of chromite ores and surrounding hyperbasites, International... Origin of chromite ores and surrounding hyperbasites A.A. Morokushev Downloaded by [New York University]...ultrabasite complexes, as well a s for the presence Chromite ores tend to be found near intruof high-temperature |  | | Journal (article/letter/editorial) | | and Planetary Sciences, University of New Mexico, Albuquerque, New Mexico 87131-1126, U.S.A. ABSTRACT...end-members). Here we use spinel as a group name and chromite and ulvöspinel as members of the spinel group...synthesized, and predicted) Name Spinel Hercynite Chromite Magnesiochromite Ulvöspinel Magnetite Coulsonite...Augite Diopside Hedenbergite Johannsenite 281 Chromite â Ulvöspinel solid solution (Normal) Mg2+Cr2O4...Crystal-chemical aspects of solid solution between chromite and ulvöspinel. Diagram after Papike et al. (2004) |  | | Journal (article/letter/editorial) | | 20151, USA 3NASA Johnson Space Center, Code SN3, 2101 NASA Road 1, Houston, Texas 77058â3696, USA *Corresponding...2 ”m region (<2.1 ”m for spinels, >2.1 ”m for chromite), while at longer wavelengths, spectral differences...petrogenetic information for remote spinel- and chromite-bearing targets from analysis of their reflectance...minerals, specifically spinel, hercynite, and chromite, are found in a wide range of terrestrial and...MgAl2O4-Fe2+Al2O4-Fe2+Cr2O4 (spinel-hercynite-chromite) compositional space have been examined in conjunction |  | | Journal (article/letter/editorial) | | (1998) 0 Meteoritical Society, 1998. Printed in USA. The history of Allan Hills 84001 revised: Multiple...Bay Area Boulevard, Houston, Texas 77058-1 113, USA Author's e-mail address: treiman@lpi.jsc.nasa.gov...intense scrutiny of ALH 84001 has uncovered many new observations on its geologic history, many of which...any of the proposed geologic histories. From this new and often contradictory data, I have tried to construct...interpreting possible evidence of biogenic activity. Each new investigation of ALH 84001 yields information on |  | | Report (issue) | | Z=1 X-ray Powder Pattern: DeKalb Township, New York, USA. 3.128 (100), 1.918 (50), 1.637 (30), 1.109...91 102.98 100.6 100.00 (1) DeKalb Township, New York, USA; by electron microprobe, corresponding to Cu7...traces (DeKalb Township, New York, USA); in a serpentine-hosted magnetiteâchromite deposit (Eretria, Greece)...Township, New York, USA); spionkopite, chalcopyrite, cobalt pentlandite, magnetite, chromite, andradite...Greece). Distribution: In the USA, from DeKalb Township, St. Lawrence Co., New York [TL], and at Cuchillo, Winston |  | OLSEN, Edward J., KRACHER, Alfred, DAVIS, Andrew M., STEELE, Ian M., HUTCHEON, Ian D., BUNCH, T. E. (1999) The phosphates of IIIAB iron meteorites. Meteoritics & Planetary Science, 34 (2) 285-300 doi:10.1111/j.1945-5100.1999.tb01752.x | Journal (article/letter/editorial) | | (1999) 8 Meteoritical Society, 1999 Prrnted in USA The phosphates of IIIAB iron meteorites EDWARD J...Illinois 60637, USA *Geological Sciences, Iowa State University, Ames, Iowa 5001 1, USA 3Enrico Fermi Institute...60637, USA 4Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 9455 1, USA 'NASNAmes...Science Division, Moffett Field, California 94035, USA *Correspondence author's email address: summit24@niianet...all phosphates in these iron meteorites (primarily new specimen preparations) were reanalyzed for this paper |  | | Journal (article/letter/editorial) | | of the gravity map of the Humble salt dome, TX, USA (Nettelton, 1976), was digitized at an interval of...seismic information (4.97 km, Nettelton, 1976). 4.2. Chromite deposit 5% noise 10% noise 5% noise 10% noise...normalized residual gravity anomaly measured over a chromite deposit in Camaguey province, Cuba (Davis et al...dome, TX, USA (Nettelton, 1976). Fig. 2. A normalized residual gravity proïŹle over the chromite deposit...dome, USA, chromite deposit, Cuba, and Medford cavity, USA Depth to dome (km) Depth to chromite deposit |  | | Journal (article/letter/editorial) | | 2008 SCIENCE IN CHINA PRESS Springer Xieite, a new mineral of high-pressure FeCr2O4 polymorph CHEN Ming1â ...Broad Branch Road, NW, 20015 Washington, DC, USA Xieite, a new mineral, occurs in the shock vein of the...FeCr2O4 and formed by solid-state transformation of chromite under shock-induced high pressure and temperature...has recently been approved by the Commission on New Minerals, Nomenclature and Classification of the...xieite, chromite, high-pressure, polymorph, new mineral, shock, Suizhou meteorite Chromite, FeCr2O4 |  | | Journal (article/letter/editorial) | | (1999) 0 Meteoritical Society, 1999. Printed in USA. A transmission electron microscope study of Chassigny:...abundance): olivine, Ca-poor pyroxene, feldspars, and chromite. Olivine is by far the most abundant mineral (-90...anhedral grains often closely associated with chromite, but it can also occur as an interstitial phase...zoning (Table 1, Fig. 2; Floran et at., 1978). Chromite mostly appears as subhedral to euhedral crystals...(Plg) intergrowth surrounded by olivine (01);(b) chromite (Chr) grain in contact with plagioclase in between |  | | Journal (article/letter/editorial) | | University of Tennessee, Knoxville, Tennessee 37996-1410, USA TPresent address: Department of Earth and Environmental...Wesleyan University, Middletown, Connecticut 06457, USA *Correspondence authorâs e-mail address: jgreenwood@wesleyan...orthopyroxenite containing minor amounts of olivine, chromite, carbonate, sulfide, phosphate, augite, and shock-melted...less deformed clasts of orthopyroxene, euhedral chromite, and patches of feldspathic glass (Mittlefehldt... typically in association with carbonates and chromite ? apatite ? whitlockite ? augite. The relative |  | | Journal (article/letter/editorial) | | (1996) 8 Meteoritical Society, 1996. Printed in USA. Four lunar mare meteorites: Crystallization trends...California, Los Angeles, California 90095- 1567, USA *Correspondence authorâs e-mail address: tomoko@min...coarse-grained A-881757 show an extraordinary distribution: chromite and ulvospinel components vary among grains but...bulk Ti02 0.9 wt% (Warren and Kallemeyn, 1991). chromite (Chr = 100 x Cr/(Cr + 2Ti + Al) atomic ratio)...793169-In Y-793169, unlike in A-881757, both titanian chromite and chromian ulvospinel are seen in the mesostasis |  | BRAATZ, A., OTT, U., HENNING, Th., JĂGER, C., JESCHKE, G. (2000) Infrared, ultraviolet, and electron paramagnetic resonance measurements on presolar diamonds: Implications for optical features and origin. Meteoritics & Planetary Science, 35 (1) 75-84 doi:10.1111/j.1945-5100.2000.tb01975.x | Journal (article/letter/editorial) | | 75-84 (2000) 0 Meteoritical Society, 2000 Printed in USA Infrared, ultraviolet, and electron paramagnetic...yC-H in alkenes (2) 630 - VC-CI (2) c-0 ( 6 ) chromite (3) ( r H in H,O (2) - - 508 607 - - 47...features of the sheet silicates have disappeared and new absorption features appear at 1700 cm-' (caused by...X H , or 60H vC-(HJ (cycl. ether) vC-G(H) YCH Chromite 60H AIF,x 3%H20 4 Treatment with Na,Cr,O,- ...v C G or CF, vCO(H) or CF, v C a (cycl-ether) Chromite 3000 2500 2000 1500 1000 CI E 500 -2 U Y 1800 |  | | Journal (article/letter/editorial) | | (2000) 0 Meteoritical Society, 2000. Printed in USA Petrology and geochemistry of the Elephant Moraine...Code C23,2400 Nasa Road 1, Houston, Texas 77058, USA Author's e-mail address: david.w.mittlefehldt1 @jsc...composed of orthopyroxene, with minor olivine, chromite, and ubiquitous, inhomogeneously distributed,...with minor coarse- to medium-grained olivine and chromite, and traces of fine-grained diopside, silica,...olivine, and chromite compositions for EETA79002. TABLE orthopyroxene, olivine, and chromite, and a single |  | | Journal (article/letter/editorial) | | Meteoritics 30, 294-302 (J 995) 1995. Printed in USA o Meteoritical Society, A petrographic history...3600 Bay Area Blvd., Houston, Texas 77058-1113, USA (Received 1994 October 28; accepted in revised farm...Originally, ALH8400 I was igneous, an orthopyroxene-chromite cumulate. In the first shock event, the igneous...other mineral contacts, radial fractures around chromite and maskelynite, and strain birefringence in pyroxene...orthopyroxenite, consisting of -95% orthopyroxene, -2% chromite, -1% maskelynite, -1% carbonate, and trace amounts |  | ULFF-MĂLLER, FINN, CHOI, BYEON-GAK, RUBIN, ALAN E., TRAN, JACQUELYN, WASSON, JOHN T. (1998) Paucity of sulfide in a large slab of Esquel: New perspectives on pallasite formation. Meteoritics & Planetary Science, 33 (2) 221-227 doi:10.1111/j.1945-5100.1998.tb01627.x | Journal (article/letter/editorial) | | 1998. Printed in USA. Meleorilics & Paucity of sulfide in a large slab of Esquel: New perspectives on...California, Los Angeles, California 90095-1 567, USA talso Department of Earth and Space Sciences, University...California, Los Angeles, California 90095-1567, USA $also Department of Chemistry and Biochemistry, University...California, Los Angeles, California 90095-1 567, USA *Correspondence author's e-mail address: wasson@igpp...(32%), schreibersite (0.76%), troilite (0.46%) and chromite (0.31%). Esquel can be divided into four lithologies: |  | Gattacceca, JĂ©rĂŽme, Bourot-Denise, MichĂšle, Brandstaetter, Franz, Folco, Luigi, Rochette, Pierre (2007) The Asco meteorite (1805): New petrographic description, chemical data, and classification. Meteoritics & Planetary Science, 42. doi:10.1111/j.1945-5100.2007.tb00602.x | Journal (article/letter/editorial) | | http://meteoritics.org The Asco meteorite (1805): New petrographic description, chemical data, and classification...studied Asco historical meteorite fall (1805). These new data indicate that this meteorite has been previously...Petersburg, Russia), and H. A. Wardâs (Rochester, USA). Eventually, as these private collections were being... and logÏ = 5.27 for a 2.0 g sample from AMNH New York. These values are clearly outside the expected...A173 © The Meteoritical Society, 2007. Printed in USA. A174 J. Gattacceca et al. Table 1. Composition |  | | Journal (article/letter/editorial) | | 2005 Copyright © 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 â«č .00 doi:10... One Brookings Drive, St. Louis, MO 63130-4899, USA 2 Lunar and Planetary Laboratory, Univ. of Arizona...1629 E. University Blvd., Tucson, AZ 85721-0092, USA 3 Dept. of Mineral Sciences, National Museum of Natural...Smithsonian Institution, Washington DC 20560-0119, USA (Received November 14, 2003; accepted in revised...and metamorphism. Using olivine-orthopyroxene-chromite assemblages in five IAB iron silicate inclusions |  | | Journal (article/letter/editorial) | | Manned Spacecraft Center, Houston, Texas ?7058, USA Received 2 June 1970 The Apollo 12 igneous rocks...enclosed by the cattiest-formed minerals (olivine and chromite) and are lower in those associated with later...oxygen partial pressures. The crystallization of chromite, for example, from a melt containing divalent...olivine-clinopyroxene-anor thite-cristobalite-tridymite-titanian chromite-chromian ulv6spinelilmenite-troilite-metal. Rock...phenocrysts, skeletal olivine, skeletal pyroxene, and chromite in a very fine grained groundmass. All three rocks |  | | Journal (article/letter/editorial) | | applications in characterization of mineral inclusions in chromite from diamond deposit Donggao Zhao a,â, Youxue...University of Texas at Austin, Austin, TX 78712, USA Department of Earth and Environmental Sciences, University...2534 C.C. Little Building, Ann Arbor, MI 48109, USA a r t i c l e i n f o Article history: Received...microanalysis and microscopy Mineral inclusions Chromite Kimberlite Diamond deposit a b s t r a c t Electron...limit down to a few ppm. Mineral inclusions in chromite from the Wafangdian kimberlite, Liaoning Province |  | | Journal (article/letter/editorial) | | (1997) 0 Meteoritical Society, 1997. Printed in USA. Automated energy dispersive spectrometer modal...Sciences, University of New Mexico, Albuquerque, New Mexico 87 13 1- 1 126, USA *Correspondence author's...on Vesta and the HED Meteorites, Houston, Texas, USA, 1996 October 16-18) Abstract-We have analyzed the...vol%, olivine 4.2 vol%, clinopyroxene 1.2 vol%, chromite 0.9 vol%, plagioclase 0.4 vol%, FeNi metal 0.1...abundant cumulus orthopyroxene; minor olivine and chromite; and trace plagioclase, silica, troilite, metal |  | | Journal (article/letter/editorial) | | spinel analyses are classified as high-chromium chromite (Chr) and magnesioulvo« spinel^magnetite (Mum)...directly away from primary chromite. The major zoning trend, Trend 1, is from chromite to magnesio-ulvo« spinel^magnetite...Trend 3 in kimberlite leads away from primary chromite and towards an aluminous pleonaste (Ple) spinel...spinel is that early spinel is very chromian rich (chromite or chromian spinel) and later spinel is very chromian...oxide minerals with the spinel structure, such as chromite (Chr), magnesio-ulvo«spinel^ magnetite (Mum), |  | Taylor, L. A., Nazarov, M. A., Shearer, C. K., McSween, H. Y., Cahill, J., Neal, C. R., Ivanova, M. A., Barsukova, L. D., Lentz, R. C., Clayton, R. N., Mayeda, T. K. (2002) Martian meteorite Dhofar 019: A new shergottite. Meteoritics & Planetary Science, 37 (8) 1107-1128 doi:10.1111/j.1945-5100.2002.tb00881.x | Journal (article/letter/editorial) | | edu/meteor L I.. -f Martian meteorite Dhofar 019: A new shergottite L. A. TAYLOR1*, M. A. NAZAROV1,2, C....University of Tennessee, Knoxville, Tennessee37996-1410, USA 2Vemadsky Institute of Geochemistryand Analytical...Meteoritics, University of New Mexico, Albuquerque,New Mexico 87131, USA 4Department of Civil Engineering...Indiana 46556, USA 5EnricoFermi Institute, University of Chicago, Chicago, Illinois 60637, USA *Correspondence...revised/arm 2002 May 13) Abstract-Dhofar 019 is a new martian meteorite found in the desert ofOman. In |  | | Book | | P. Augustithis W DE G de Gruyter · Berlin · New York 1995 Professor Dr. rer. nat. Stylianos-Savvas.../ Stylianos-Savvas P. Augustithis. - Berlin ; New York de Gruyter, 1995 ISBN 3-11-013639-2 © Printed...many standard ore-mineralogy textbooks, and thus a new approach to the subject was called for. In addition...characteristic textural patterns of ore minerals and thus new perspectives in the understanding of the ore genesis...segregation (accretion), often having altered chromite as the nucleus. Many platinoid group elements |  | SCHRADER, Devin L., LAURETTA, Dante S., CONNOLLY jr., Harold C., GOREVA, Yulia S., HILL, Dolores H., DOMANIK, Ken J., BERGER, Eve L., YANG, Hexiong, DOWNS, Robert T. (2010) Sulfide-rich metallic impact melts from chondritic parent bodies. Meteoritics & Planetary Science, 45 (5) 743-758 doi:10.1111/j.1945-5100.2010.01053.x | Journal (article/letter/editorial) | | The University of Arizona, Tucson, Arizona 85721, USA Department of Physical Sciences, Kingsborough Community...City University of New York, 2001 Oriental Blvd., Brooklyn, New York 100235, USA 3 Department of Earth...Natural History, Central Park West, New York, New York 110024, USA 4 Department of Geosciences, The University...University of Arizona, Tucson, Arizona 85721, USA * Corresponding author. E-mail: schrader@lpl.arizona...rhodonite for Mn, rutile for Ti, fayalite for Fe, chromite for Cr, and nickel metal for Ni. Standards used |  | HILL, Eddy, TAYLOR, Lawrence A., FLOSS, Christine, LIU, Yang (2009) Lunar meteorite LaPaz Icefield 04841: Petrology, texture, and impact-shock effects of a low-Ti mare basalt. Meteoritics & Planetary Science, 44 (1) 87-94 doi:10.1111/j.1945-5100.2009.tb00719.x | Journal (article/letter/editorial) | | 37996, USA 2Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona 85721, USA 3Laboratory...Washington University, Saint Louis, Missouri 63130, USA *Corresponding author. E-mail: Eddy Hill ...along the trend set for lunar basalts. Analyses of chromite grains provide a V/(Al + Cr) ratio of 1.33 ± 13...to 1.93 kg. Preliminary reports suggest that this new find may be paired to the other five LaPaz meteorites...mineral associations, was determined as: First, Ti-chromite + olivine; pyroxene + ulvöspinel; pyroxene + plagioclase |
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Staten Island, New York City, New York, USA