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| 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...(siderite$-composed almost wholly of the iron-nickel minerals kamacite and taenite; may also contain the minerals plessite...ataxitescontain less than 6 percent nickel and consist of kamacite only. (c) Nickel-rich ataxites-contain more than...consist of pure taenite or an irregular mixture of kamacite and taenite. (2) Stones (aero1ites)-composed mostly |
 | | Journal (article/letter/editorial) |
| 00 I6-7037/89/$3.~ + .oO Chondrules in the Sharps H3 chondrite: Evidence for intergroup compositional...chondrules and one matrix-rich sample from H3.4 Sharps were determined by instrumental neutron activation...low Ni and high Co concentrations in Tieschitz kamacite (5.0 and 7.6 mg/g, respectively) which are characteristic...electron microprobe a suite of chondrules from Sharps (H3.4)--the least-equilibrated H chondrite known...elemental composition of chondrules from one meteorite to another (GOODING, 1979, 1983; GOODING et af |
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| silicates. They contain graphite, diamond, and kamacite. In olivine a reaction rim is formed around these...and are concentrated in black inclusions in the meteorite. This, at first glance, seems to be a phenomenon...Havero, their composition and relation to the meteorite in total being quite different. Thus this paper...complete petrographic description of the Havero meteorite. Meteoritics, Vol. 7, No.4, December 30, 1972...(Keil and Fredriksson, 1964, 0.02 to 0.04% in Sharps meteorite, Dodd 1968), but similar amounts have been |
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| exceedingly simple. A polished thin section of each meteorite was traversed at a Fred interval, and the longest...In general, one thin section was used for each meteorite. The raw data, in terms of grain interceptsand...checked by performing 1000 point modal analyses of Sharps and Chainpur. The modes indicate 8-Oand 1.6 vol...1. Size-frequency Chondrite H-group: Tiesohitz Sharps Bremervorde ‘Sindhri’ Prairie Dog Creek Mean Mean...systematically among H-3 chondrites. In Tieschitz and Sharps, the most unequilibrated of these meteorites, the |
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| California, Los Angeles, California 90095–1567, USA National Institute of Aerospace, Hampton University...University, 100 Exploration Way, Hampton, Virginia 23666–6186, 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...Antarctica in 2006 and described in Antarctic Meteorite Newsletter 31(2) as having a ‘‘melt-textured matrix...were determined on a photograph of a slab of the meteorite by weighing cut-outs of the different components |
 | | 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 |
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| 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 |
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| of grain growth during the aggregation of the meteorite, and incipient solid-state recrystallization of...proposed that this occurred after accretion of the meteorite parent bodies [5], or by various processes that...on observations in only four meteorites. The meteorite names and specimen numbers (British Museum, Natural...irradiation of rock fragments [10] suggest that the meteorite was formed in a parent-body regolith. The existence...found to be similar. Chainpur is an interesting meteorite because of anomalies in its chemistry and mineralogy: |
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| 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 |
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| 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 |
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| Geological Survey, 954 National Center, Reston, Virginia 20192, USA 2Department of Terrestrial Magnetism, Carnegie...5241 Broad Branch Road, NW, Washington, D.C. 20015, USA 3Department of Earth and Planetary Sciences, University...University of New Mexico, Albuquerque, New Mexico 87131, USA *Correspondence author's e-mail address: jgrossman@usgs...MS#4380 © Meteoritical Society, 2002. Printed in USA. 50 Grossman et al. model), processes such as...Dodd (1971) discovered that many chondrules in Sharps (H3.4) display non-igneous zoning of olivine, where |
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| con~in spheruies of kamacite lower in Ni and higher in Fe than typical kamacite found outside chondrules...pyroxene (crossed circks) separates, and with kamacite Co/Ni ratios (dashed lines) from o~Gnarychondrites...enhancement of kamacite relative to taenite with which it may have equilibrated. Kamacite Co/Ni ratios...lowest-Ni chondruk$ tines mpmsenting the mean kamacite Co/Ni ratios of ordinary chondrites as well as...taenite following mehing and equilibration with kamacite; or 3) equilibrate their (by chance) low-Ni metal |
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| PROCEDURES Polished thin sections of H3 (Tieschitz. Sharps, Bremerviirde). H3-4 (Dhaiala). H4 (Conauista....the extreme cases of chondrules containing all kamacite or ail taenite is to raise the average Fe0 values...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 |
 | | Report (issue) |
| the cover—Turquois 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 |
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| 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...metal cannot be explained by mixing or separating kamacite and taenite. The work of Rambaldi (1976) on the...us to expect the fractionation of taenite and kamacite to fractionate Ni from Co and As, but not from...(1971) The petrology of chondrules in the Sharps meteorite. Contrib. Mineral. Petrol. 31,201-227. Dodd |
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| Planetary Sciences. He teaches chemistry and performs meteorite research, and is currently involved in creating...Chemistry and Biochemistry, University of Arkansas, USA CAMBRIDGE UNIVERSITY PRESS Cambridge, New York...sediments Potential meteorite parent bodies 2.1 Asteroids as potential meteorite parent bodies 2.2 Impact...Spectra of asteroids Distribution of asteroid and meteorite classes Texture of gas-rich regolith breccias...of hypothetical ejecta blanket Structure of a meteorite parent body Asteroids and their surfaces Fraction |
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| Planetary Sciences. He teaches chemistry and performs meteorite research, and is currently involved in creating...Chemistry and Biochemistry, University of Arkansas, USA CAMBRIDGE UNIVERSITY PRESS Cambridge, New York...sediments Potential meteorite parent bodies 2.1 Asteroids as potential meteorite parent bodies 2.2 Impact...Spectra of asteroids Distribution of asteroid and meteorite classes Texture of gas-rich regolith breccias...of hypothetical ejecta blanket Structure of a meteorite parent body Asteroids and their surfaces Fraction |
 | | Book (volume) |
| solar system G. Kurat 155 Some problems of meteorite classification A.A. Yavnel 199 Primitive 3 ae/...isotope ratios different to those observed in other meteorite classes but almost exactly matching the rare gases...18, 5-40. Chapman , C.R. (1976) Asteroids as meteorite parentbodies : The astronomical perspective. Geochim...be far lower than i 29 detected in an iron meteorite at 0 . 1 atom/m . Kg by our older work . Remeasurement...in the acid insoluble fraction of the Allende meteorite. At the sam ime the enrichment of 142 0.4%_~as |
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| 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 |
 | | Book (edition) |
| Geological Institute 4220 King Street Alexandria, Virginia 22302 703/379-2480 Price: $75 printed $25 microfiche...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they |
 | | Report (Issue volume) |
| the planet which our ancestors called Culmen, a meteorite, known to scientists under the name of Croix d’Honneur...end of him. Woe to the mortal on whose head the meteorite falls!” (p. 141-142). Les Mystéres de l'Infini...Maxwell House, Fairview Park Elmsford, N.Y. 10523 USA Teletype 137328 Pergamon Press, Ltd. Headington Hill...A. BAEDECKER, U. S. Geological Survey, Reston, Virginia 22092. A. Basu, Smithsonian Astrophysical Observatory...SPETTEL, and 3479 Contents, Volume COMPARATIVE Meteorite 3 PLANETOLOGY Studies Trace element evidence |
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| Laboratory 125 South Oval Mall Columbus, Ohio 43210 USA faure.1@osu.edu Teresa M. Mensing The Ohio State...Research Center 1465 Mt. Vernon Ave. Marion, Ohio 43302 USA mensing.1@osu.edu ISBN 978-1-4020-8406-5 e-ISBN...terrestrial rock debris and extraterrestrial meteorite fragments that are transported by the ice sheet...administrators of the National Science Foundation of the USA for the financial and logistical support that enabled...Contents 18.3.3 Meteorite Collections from Antarctica........................... Meteorite-Impact Craters |
