 | | Journal (article/letter/editorial) | | Earth and Planetary Science Letters 481 (2018) 372–386 Contents lists available at ScienceDirect Earth...Earth and Planetary Science Letters www.elsevier.com/locate/epsl Old formation ages of igneous clasts...Earth and Environmental Sciences, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK a...chondrules asteroids a b s t r a c t The Barwell meteorite contains large, abundant clasts that are igneous...nature. We report iodine– xenon ages of five clasts and one sample of host chondrite material. The fragment |  | Hutchison, R., Williams, C.T., Din, V.K., Clayton, R.N., Kirschbaum, C., Paul, R.L., Lipschutz, M.E. (1988) A planetary, H-group pebble in the Barwell, L6, unshocked chondritic meteorite. Earth and Planetary Science Letters, 90 (2) 105-118 doi:10.1016/0012-821x(88)90094-5 | Journal (article/letter/editorial) | | Earth and Planetary Science Letters, 90 (1988) 105-118 105 Elsevier Science Publishers B.V., Amsterdam...planetary, H-group pebble in the Barwell, L6, unshocked chondritic meteorite R. H u t c h i s o n 1, C.T...(U.K.) 2 The Enrico Fermi Institute and Departments of Chemistry and Geophysical Sciences, University of...version accepted August 4, 1988 One stone of the Barwell (L6) shower contains an igneous inclusion with...earth elements and a positive Eu anomaly; it is depleted in siderophile elements. Inclusion and host have |  | | Journal (article/letter/editorial) | | From the Editors in meteorite petrology, and those of Borgstrom. In the twentieth century, the great...great Russian meteorite expert E. L. Krinov pointed out the variety of surface textures produced by different...major zones of alteration that occurred in the meteorite during fusion crust production: the outer glassy...melted zone, and an inner zone where metal and sulfide had flowed back into unaltered meteorite. The master...crust zones for the Barwell meteorite, with the heat conduction equations of Carslaw and Jaeger to calculate |  | | Journal (article/letter/editorial) | | the southern and eastern sectors of the impact site. It was not present in the northern and western sectors...melt (glass) and carbonate melt (calcite), including carbonate globules in silicate glass and vice versa...primary and originated as an impact melt, derived from the sedimentary sequence. Interestingly, and in keeping...apply at other impact structures in similar targets and can be tested by observations at other sites. Indeed...Devon Island, which has many similarities of scale and target characteristics to the Ries crater, is clearly |  | Hagee, B., Bernatowicz, T.J., Podosek, F.A., Johnson, M.L., Burnett, D.S., Tatsumoto, M. (1990) Actinide abundances in ordinary chondrites. Geochimica et Cosmochimica Acta, 54 (10) 2847-2858 doi:10.1016/0016-7037(90)90019-h | Journal (article/letter/editorial) | | BERNATOWICZ,' F. A.POLXXEK,’ M.L.JoHNsoN,~D.S.BURNETT,' and M. TATSUMOTO~ ‘McDonnell Center for Space Sciences...St. Louis, MO 63 130, USA ‘Division of Geological and Planetary Sciences, California Institute of Technology...revisedfbrm My i 7, 1990) Pu fission Xe, U, Th, and light REE (LREE) abundances, along with Abstract-Measurements...solar system Pu abundance and to determine the degree of variation of actinide and LREE abundances. Our data...behaves chemically as a LREE. Except for Guareiia, and perhaps H chondrites in general, Pu concen~ations |  | | Journal (article/letter/editorial) | | CARBON ISOTOPE ANALYSIS FOR METEORITE AND LUNAR STUDIES P.I. Abell, A.E. Fallick and C.T. Pillinger, Planetary... Mineralogy and Petrology, University of Cambridge, England Using the conventional and accepted dynamic...Consequently many interesting problems in meteoritics and lunar analysis cannot be attempted because, justifiably...(activated in situ) and then pressurized to 0.6 atms with D2 (greater than 99.5% purity) and sealed off. Subsequently...getter. Isotope ratios are determined from mass 20 and 21 peaks in the spectrum. Partial labelling effects |  | | Journal (article/letter/editorial) | | NY 327 HYDROUS PHASES AND HYDROUS ALTERATION IN U.O.C.s C. Alexander and D.J. Barber, Univ. of Essex...ordinary chondrites. However, based on petrologic and microprobe studies, Hutchison et al. (1985) suggested...bore signs of alteration and may in fact be on the border between types 2 and 3. We present here TEM studies...of Semarkona, Bishunpur, Chainpur, Krymka, Sharps and Tieschitz. These studies show that hydrous alteration...alteration is indeed present, more so than anticipated, and may have profound implications for our understanding |  | | Journal (article/letter/editorial) | | August 15, 1978 The recent symposium on impacts and cratering resulted in a publication of 1300 pages...here tonight and besides, I haven't finished reading them. It is the latest information and specialists...future. But in order to use modern impact theory and practice one does not really have to know what went...appreciate what meteorites are and the effects they have on the earth and other bodies. It is a relatively...relatively short history that started slowly and soon took off, quite literally, like a skyrocket. The field |  | | Journal (article/letter/editorial) | | CLASSIFICATION OF SOME METEORITES FROM TUNISIA AND MOROCCO : ON THE WAY TO ESTIMATE THE FLUX OF METEORITES...Science Tunis, Tunisia, 4 Meteorite Laboratory Lehmweg Gifhorn, Germany, 5 Meteorite Recon Mühlendamm Hamburg...during the time e.g. deserts of Oman, Lybie, Chili and NWA. Great numbers of meteorites have been recovered...shorter time spans than meteorites from Antarctica [3] and can therefore be dated by using cosmogenic 14C, that...calculation of meteorite flux is possible [4]. Following previous estimation of meteorite flux based on |  | | Journal (article/letter/editorial) | | SPECTROSCOPY AND IMPLICATIONS FOR THE DAWN MISSION P. A. Abell1, D. W. Mittlefehldt1, and M. J. Gaffey2...Gaffey2. 1Astromaterials Research and Exploration Science, NASA Johnson Space Center, Houston, Texas 77058...clan, mesosiderite silicates, angrites, Ibitira, and Northwest Africa (NWA) 011 [1]. Spectroscopically...located near 1 and 2 microns due to the presence of pyroxene. Some of these meteorite types have spectra...Laboratory analysis of spectral features from meteorites and terrestrial samples has been used in the past to |  | | Book | | Alexander Geology and landscapes of Scotland Con Gillen La catastrophe: A1ow11Pelee and the desrruction...Claudio Vita-Finzi Principles of emergency planning and ma11agemer:1DaYid Alexander Vesurius: a biography...Scarth & Jean-Claude Tanguy Minerals of Britain and Ireland A. G. Tindle The Open University T: 'XI...PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...ooper 2005) and the promise of new mineral galleries in Edinburgh in '.!011. I hope that these and all other |  | | Book (edition) | | GEOLOGICAL INSTITUTE Earlier Editions: GeoRef Thesaurus and Guide to Indexing, First Edition Copyright ©1977...Edition, 1978 Third Edition, 1981 GeoRef Thesaurus and Guide to Indexing, Fourth Edition Copyright ©1986...tape generated by SAMANTHA programs. Eterna bold and light fonts were used for the text. Contents SRE...VF aonctseue 4.84n,Suita a &.m.9e em & Vv Source and development of the vocabulary......................terms, and made recommendations concerning the introduction. Introduction The GeoRef Thesaurus and Guide |  | | Book (edition) | | org/details/georefthesaurusgOOOOunse GeoRef Thesaurus and Guide to Indexing Fifth Edition Ruth H. Shimomura...LLbr®*1? 1^89 Earlier Editions GeoRef Thesaurus and Guide to Indexing, First Edition Copyright ©1977...Edition, 1981 Fourth Edition, 1986 GeoRef Thesaurus and Guide to Indexing, Fifth Edition Copyright ©1989... Contents Acknowledgement .iv Introduction.v Source and Development of the Vocabulary .v Changes in this...Indexing .vi Searching .vi i Autoposting.viii Singular and Plural Terms.viii Term Relationships .viii Notes |
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