 | | Journal (article/letter/editorial) | | and WAINE (C. V.), The Angra dos Reis (iron) meteorite, 94; Metallographic study of hexahedrites, 725...decomposition, 583 metamorphic effects in the Ergheo meteorite, Amphibole, Scotland, anal., 819; and see amosite...idocrase, 894 Andtzhk-Ztmparahk area, Turkey, chromite, Bayerite, conditions for synthesis, electron...muscovite, myrmekite, 57o Bronzite, Sitathali meteorite, opt., 335 BROWN (G. C.), see PURTSCHELLER(F.)...957; Norway, anal., 435; South Africa, 863 ; Sharps meteorite, anal., 451 Chalcosine, Mexico, 54I CHAMPNESS |  | | Journal (issue) | | Vol. 20 August 1974 No. 3 METEORITES OF VIRGINIA F. B. Hoffer A meteoroid is any naturally occurring...meteoroid passes through the atmosphere. The term meteorite is used for any solid object (meteoroid) that...minerals plessite, troilite, schreibersite, cohenite, chromite, and graphite. (a) Octahedrites-6 to 16 percent...engineers in the designing of spacecraft. 18 VIRGINIA DIVISION OF MINERAL RESOURCES Vol. 20 ' l History's...times, it was widely held that the fall of a meteorite was a manifestation of God's wrath. ~ e t e o |  | | Journal (article/letter/editorial) | | NorthernIreland Recrystallized chondrules in the Sharps (H-3) chondrite R. Department of Earth (Received...Abstract-Microprobe analyses of fifty chondrules in the Sharps (H-3) chondrite showed three All three show textural...were recrystallized before they entered Sharps. Although Sharps is an H-group chondrite, the recrystallized...the same chemicalmineralogical type as the host meteorite. On the basis of the latter observation, he concluded...high-and low-iron chondrites developed separately. The Sharps (H-3) chondrite contains evidence that this conclusion |  | Kebukawa, Yoko, Zolensky, Michael E., Chan, Queenie H.S., Nagao, Keisuke, Kilcoyne, A.L. David, Bodnar, Robert J., Farley, Charles, Rahman, Zia, Le, Loan, Cody, George D. (2017) Characterization of carbonaceous matter in xenolithic clasts from the Sharps (H3.4) meteorite: Constraints on the origin and thermal processing. Geochimica et Cosmochimica Acta, 196. 74-101 doi:10.1016/j.gca.2016.09.024 | Journal (article/letter/editorial) | | carbonaceous matter in xenolithic clasts from the Sharps (H3.4) meteorite: Constraints on the origin and thermal...Space Center, 2101 NASA Parkway, Houston, TX 77058, USA c Geochemical Research Center, Graduate School of...Berkeley, CA 94720, USA e Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, USA f Jacobs â NASA...NASA Johnson Space Center, Houston, TX 77058, USA g Geophysical Laboratory, Carnegie Institution of Washington...5251 Broad Branch Road, NW, Washington, DC 20015, USA Received 25 December 2015; accepted in revised form |  | | Journal (article/letter/editorial) | | unequilibrated chondrites also shows that each meteorite has been metamorphosed, with the alteration ranging...1967). Studies of the unequilibrated chondrites Sharps (FREDRIKSSON er al., 1968) and Tieschitz (WOOD...ordinary chondrites. These are, first, clasts in Sharps, Tieschitz and Krymka (FREDRIKSSONet al., 1968;...India Semarkona, India Sete Lag&s, Brazil Sharps, Virginia Tieschitz, Czechoslovakia Section Nunbers...electron microprobe analyses as possible for each meteorite. Standards used were augite (Si, Tâi), olivine |  | | Journal (article/letter/editorial) | | California, Los Angeles, California 90095â1567, USA National Institute of Aerospace, Hampton University...University, 100 Exploration Way, Hampton, Virginia 23666â6186, USA * Corresponding author. E-mail: aerubin@ucla...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 ââmelt-textured matrix |  | | Journal (article/letter/editorial) | | 1973 Minor Element Abundances in Olivines of the Sharps (H-3) Chondrite R o b e r t T. D o d d Max-Planck-Institut...Abstract. Olivine crystals in 21 chondrules from the Sharps (H-3) chondrite were analyzed for CaO, A120a, Cr20...include representatives of all major types found in Sharps, and the mean fayalite contents of their olivine...during the crystallization of the chondrules in Sharps. Introduction The minor element contents of olivines...cal s t u d y of 96 chondrules in the Sharps (It-3) meteorite, reported in this journal (Dodd, 1971b) |  | | Journal (article/letter/editorial) | | also include drop-formed troilite and skeletal chromite. The field of view is 1 mm wide. 1622 Fig....relative for Fe0 and +252, for CaO. olivine crystals. Chromite (0.2:â;,)crystallized after olivineâ and the pyroxenes...the St. Mcsmin microporphyry, it was stated that chromite occurs in its olivine (DOUD and JAROSEWITH,1974)...or exsolution lamellae of a second phase (e.g. chromite). Though dislocations are abundant, three arguments...amounts of Cr and Al found in some olivines from the Sharps chondrite. A CrFCr$ couple in olivine is unlikely |  | | Journal (article/letter/editorial) | | PROCEDURES Polished thin sections of H3 (Tieschitz. Sharps, Bremerviirde). H3-4 (Dhaiala). H4 (Conauista....observed in chondrules from types 4-6. Chon~ules from Sharps are relatively FeO-poor compared to those from...values than those of Sharps and Tieschitz. Although chondrules in Bremervorde and Sharps have very different...Furthermore, a greater proportion of chondrules in Sharps than Tieschitz contains Fa-poor normative olivines...range in normative composition than olivine in Sharps and Tieschitz. We have classified Dhajala as a |  | | Journal (article/letter/editorial) | | transport in chondrites: evidence from the Warrenton meteorite JOHNF. KEBIDGX* Plar~&ologyBrrtnch, NASA Ames...pure magnesium spine1 and Cr using an analyzed chromite. Fluorescence, absorption and atomic number corrections...Warrenton predated fmal consolidation of the meteorite so that alteration took place while the surface...was reached by Ku&&T (1969) for the Tieschitz meteorite, based on evidence for leaching of Ka, Al, Si...activity has been established for at least one meteorite parent body (DUFRESNEand ANDERS, 1962; BOSTR~~M |  | | 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) | | (1990) © Meteoritical Society, 1990. Printed in USA Deformation and thermal histories of chondrules...Sciences, University of Arizona, Tucson, AZ 85721 USA (Received 20 October 1989; accepted in revised form...histories prior to the final agglomeration ofthe meteorite. Chainpur may be regarded as an agglomerate or... who systematically examined chondrules in the Sharps (H3.4) and Hallingeberg (L3) meteorites using optical...inclusions of chromite (as identified with the microprobe) (Fig. 6a). Such dusty-chromite-bearing olivine |  | | Report (issue) | | the coverâTurquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Journal (article/letter/editorial) | | composition. In addition to these types, dark-zoned and chromite chondrules are also present in the Yamato meteorites...modification of orthodox chondrules by heat or shock. A chromite chondrule was also described by RAMDCIHR(1967)...Institute of Polar Research, kindly provided meteorite samples. Discussions with Dr K. YANAI of the National...(1971) The petrology of chondrules in the Sharps meteorite. Conrrih. Mirwtrl. Perrol. 31, 201-217. DODD...petrology of chondrules in the Hallingerberg meteorite. Conr,ih.-.Lfi,r~rcl/. Perml. 47, 97-l 12. DO~D |  | | Journal (article/letter/editorial) | | cause of 3 chondrites varies considerably from meteorite to the large spread in TL sensitivity throughout...increasing metamorphism; the fine-grained for meteorite history. The range of TL sensitivities opaque...metamorphism prior to incorporation into the meteorite. This requires a fairly involved history including...before or during the accretion of the present meteorite. We believe our data offer a plausible alternative...observed in unpublished data for the Dhajala meteorite by E. R. D. Scott; the present data and those |  | Joswiak, D. J., Brownlee, D. E., Matrajt, G., Westphal, A. J., Snead, C. J. (2010) Kosmochloric Ca-rich pyroxenes and FeO-rich olivines (Kool grains) and associated phases in Stardust tracks and chondritic porous interplanetary dust particles: Possible precursors to FeO-rich type II chondrules in ordinary chondrites. Meteoritics & Planetary Science, 44 (10) 1561-1588 doi:10.1111/j.1945-5100.2009.tb01192.x | Journal (article/letter/editorial) | | 98195, USA Sciences Laboratory, University of California at Berkeley, Berkeley, California 94720, USA 3Department...University of California, Los Angeles, California 90095, USA *Corresponding author. E-mail: joswiak@astro.washington...associated with FeO-rich olivines, Cr-rich spinel (chromite) and Al-rich silicate glass or albitic 1561 ... © The Meteoritical Society, 2009. Printed in USA. 1562 D. J. Joswiak et al. Fig. 1. Optical images...focus on the Ko-clinopyroxene + FeO-rich olivine ± chromite ± Al-silicate glass assemblages and use the term |  | | Journal (article/letter/editorial) | | elle est probablement due a la faible quantite de chromite observQ dans ce xtnolithe (Jerome, communication...forsttrite pure, proviennent aussi dâun apport de meteorite carbon&e. â(------l MnO R- 47.6 - 13 / 7...refroidissement ait aussi une influence: dans la chondrite Sharps, les olivines a faibles teneurs en CaO sont associ&es...Mage, la vaieur 34 caracterise uniquement Moore County et Nagaria, les autres eucrites de ce type (Serra...(3)(4)(5) (7)19)flO) 27,6 (11) Pomozdino Sioux County 33,6 (3)(b)(7) Eucrites StannEXn Diog&ites 34 |  | Schrader, Devin L., Nagashima, Kazuhide, Krot, Alexander N., Ogliore, Ryan C., Hellebrand, Eric (2014) Variations in the O-isotope composition of gas during the formation of chondrules from the CR chondrites. Geochimica et Cosmochimica Acta, 132. 50-74 doi:10.1016/j.gca.2014.01.034 | Journal (article/letter/editorial) | | University of Hawaiâi at MaÌnoa, Honolulu, HI 96822, USA b Department of Geology and Geophysics, School of...University of Hawaiâi at MaÌnoa, Honolulu, HI 96822, USA Received 17 June 2013; accepted in revised form 27...Institution, PO Box 37012, MRC 119, Washington, DC 20013, USA. Tel.: +1 202 633 1865. E-mail address: schraderd@si...analyses in type I and type II BO chondrules. Meteorite Gao-Guenie (b) UA2301,1 Gao-Guenie (b) UA2301...Mg (0.01), augite for Ca (0.01), plagioclase or chromite for Al (0.01), ïŹouroapatite for P (0.01), orthoclase |  | | Journal (article/letter/editorial) | | University of Arkansas, Fayetteville, AR 72701, USA Received 15 August 2007; accepted in revised form...gca.2008.05.057 to the very origins of modern meteorite research (Howard, 1802), but it was Prior (1916)...the mineralogical and composition trends are meteorite-wide changes caused by processes such as aqueous...2%. Previous analyses of Fe isotope ratios in meteorite samples have used chromatography to separate iron... Washington, D.C.; AML, Dr. G Huss, American Meteorite Lab. S and H, Prof H.E. Suess and Dr. M. Hendon |  | | Journal (article/letter/editorial) | | University of California, Los Angeles, CA 90024, USA (Received August 4, 1981; accepted in revised form...to define chondrules. In studies that rely on meteorite thin sections, researchers have to make arbitrary...olivine and pyroxene, and was enriched in the chromite. The behavior of Zn in the factor analysis seems...pyroxene, Al in glass or plagioclase, and V in chromite and SC and Sm may he distributed among major phases...including pyroxene and glass, and minor phases such as chromite, phosphate, and spinel. No modal mineral abundance |  | | Journal (article/letter/editorial) | | fragments of a single chondrite type. Sometimes two meteorite types are mixed, presumably representing two dissimilar...chondrules are almost pure Fe,Ni metal, troilite, or chromite, or have bulk compositions so unortho dox that...artificial.) INCLUSIONS AS NEBULAR CONDENSATES Most meteorite researchers did not become aware of RI until 1...resulted in some major changes in the "rules of the meteorite game," which have been little appreciated: EFFECTS...1971. The petrology of chon drules in the Sharps meteorite. Contrib. Mineral. Petrol. 31: 201-27 Dodd |  | | Book | | Physics University of California Los Angeles, CA 90024/USA Volumes I to 9 in this series appeared under the...provide an introduction to meteorite science and a handbook on meteorite classification. Insofar as I...These chapters would have been useful chiefly to meteorite researchers looking for a quick summary of group...quantitative meteorite studies declined during 1970-1973 as a result of the diversion of meteorite researchers'...efforts to the study of lunar samples. The rate of meteorite research activity is now increasing as researchers |  | | Book | | Physics University of California Los Angeles, CA 90024/USA Volumes I to 9 in this series appeared under the...provide an introduction to meteorite science and a handbook on meteorite classification. Insofar as I...These chapters would have been useful chiefly to meteorite researchers looking for a quick summary of group...quantitative meteorite studies declined during 1970-1973 as a result of the diversion of meteorite researchers'...efforts to the study of lunar samples. The rate of meteorite research activity is now increasing as researchers |  | | Book | | METEORITE RESEARCH ASTROPHYSICS AND SPACE SCIENCE LIBRARY A SERIES OF BOOKS ON THE RECENT DEVELOPMENTS... Harvard College Observatory, Cambridge, Mass., USA C. DE JAGER, G. H. LUDWIG, University of Utrecht...NASA, Goddard Space Flight Center, Greenbelt, Md., USA R. LUST, Institut fiir Extraterrestrische Physik...L. I. SEDOV, NEWELL, NASA, Washington, D.C., USA Academy of Sciences of the USSR, Moscow, USSR Secretary...Holland VOLUME 12 METEORITE RESEARCH PROCEEDINGS OF A SYMPOSIUM ON METEORITE RESEARCH HELD IN VIENNA |  | | Book (edition) | | Geological Institute 4220 King Street Alexandria, Virginia 22302 703/379-2480 Price: $65 softcover $25...The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names....term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because...North America from the broader terms of Hanover County. There is no reciprocal entry for each broader |
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