 | | Journal (article/letter/editorial) |
| many meaosiderites are oonnidered aa a ooherent meteorite assemblage, their silicates con&t&g essentially...These achon~~s make up approximately 6% of all meteorite falls (HEY, 1966). Many of the general features...reported for Juvinas (LA CROIX, 1926), Pasamonte (Fo~HA~, 1938), Moore County (HESSand HENDERSON,X949), Stannem...howardites and eucrites. Mesosiderites are stony-iron meteorites in which the s&ate and metal portions...portions. It is the purpose of this paper to report new miner&lo~~&l,chemictaland petrogmphio data for euerites |
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| Geological Sciences, California Institute of Technology, USA Received 31 March 1971 Revised version received 14...composition of fission xenon in four meteorites (Pasamonte, Kapoeta, Angra dos Reis, and St. Severin) has...fission Xe composition in St. Severin, Kapoeta, and Pasamonte is 12SXe/129Xe/130Xe/l a l X e / 1 3 2 X e / 1...preferred values o f Hohenberg et al. [3] for Pasamonte are derived by constructing a spallation composition...composition of fission Xe in the achondrites Pasamonte, Angra dos Reis, and Kapoeta and the chondrite |
 | | Journal (article/letter/editorial) |
| taneous fission of 82 million year Pu244 ). This meteorite these two components observed to date with some...report that Angm dos Reis contains fission xenon of a new type is not substantiated. INTRODUCTION MUNK (1968)...fissiogenic xenon in this meteorite differs from that found in the Pasamonte achondrite (EBERHARDT and...in the Stannern (M~RTI et al., 1966) and the Pasamonte (HOHENBERG et al., 1967) eucrites, that is, one...(1968) appeared to differ from that found in Pasamonte (HOHENBERG et al., 1967). A detailed analysis |
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| alternative source. THE PASAMONTE eucrite, a Ca-rich achondritic meteorite, was found to contain excess...PEPIN, 1967) differs from that observed in the Pasamonte achondrite (ROWE and KURODA, 1965; EBERHARDT and...the composition of fissiogenic xenon from the Pasamonte achondrite is Xe131 : Xe132: Xe134 : Xe136 = 33...3 : 100 (EBERHARDT and GEISS, 1966, using the Pasamonte data of ROWE and BOGARD, 1966). The composition...RENAZZO FISSION 1321 COMPOSITION o”550.150 -TO PASAMONTE FISSION COMPOSI7ION [Eberhordt and Geirr, 1966; |
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| the cooling of the parent body of the Toluca meteorite R. L. FLEISCHER,P. B. PRICE and R. M. WALKER*...Electric Research and Development Center Schenectady, New York (Received 19 June 1967; accepted in revisedform...three silicate minerals from inclusions in the iron meteorite Toluca. If most of these tracks are assumed...type, the variations in track density within the meteorite body, and the track production induced in the...silicate minerals from inclusions in the Toluca iron meteorite (piece 22a of the Harvard collection). Column |
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| were determined for lbitira, Bereba, Pasamonte, Stannern, Sioux County and Juvinas. lbitira as well as Juvinas...Bereba and Sioux County are 4.17 -+0.26 b.y. and 4.19 -+0.14 b.y. Stannern and Pasamonte have maximum "ages"...study of the Ibitira meteorite by Wilkening and Anders [3] has shown that this meteorite was probably part...b.y. This age was confirmed by Lugmair using the new 14aNd-147Sm chronometer [7]. These determinations...Birck and All~gre [14]. able to us for each meteorite ranged from 1 to 5 g. The meteorites were broken |
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| PODOSEK* Physics, Univeryity ofCalifornia, Berkeley. USA Department of Received 8 August 1969 244Pu/238U...The abundance ratio at the time the St. Severin meteorite began to retain xeno-7 has been determined to...composition in various phases of the chondritic meteorite St. Severin . In the accessory mineral whitlockite...Institute of Technology, Pasadena, California 91109, USA . F.A-.PODOSEK 184 128Xe from 1271, used in determining...neutron-induced fis.;ion of 235 U. Xenon released from the meteorite in several heating steps is then analyzed in a |
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| distinguish between the fission xenon observed in Pasamonte and in Mokoia matrix. 300 NOlX30 million years...X%136/Xe132ratio than had been detected in the Pasamonte achondrite (Rown and KURODA,1965; EBEnHAnDTandGEISS...the fission component observed in Mokoia and Pasamonte in the manner employed by ROWE (1968). Although...Xenon in thtr inclusions of Canyon Diablo and Toluca iron meteorites. .&Y&hPkmet. Sci. Lett. 4, 113-117. ANDERS...the mass spectrum of fission xenon in the Pasamonte meteorite. _EavthPlanet. Sci. I&t. 1, 99-101. EU~STERO |
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| fs-STOC ag Wg Earthe D i ; i | : ‘A Bt Meteorite finds Antarctic meteorites What are meteorites...from Achondrites from Mars? the Moon Iron meteorites Stony-Iron Meteorites How meteorites within meteorites...from comets? Time and the origin of planets Meteorite impact and evolution Future research Glossary...feet) deep. It was fornied by the impact of an iron meteorite almost eesaurea ce aoe t mi * INTEC Cie...similar to volcanic rocks on Earth. Some are alloys of iron and nickel similar to the material which is is believed |
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| Woods Hole Road, Woods Hole, Massachusetts 02543, USA 2 Department of Geology, University of Georgia, 210...210 Field Street, Athens, Georgia 30602, USA *Corresponding author. E-mail: asarafian@whoi.edu (Received... the isotopically anomalous basaltic eucrite Pasamonte has apatite in the mesostasis with significant...crosscutting silicates. Euhedral apatites in the Moore County cumulate eucrite occur as inclusions in pyroxene...1977; Clayton 1993), some eucrites (for example, Pasamonte and Ibitira) have distinct O isotopes and may |
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| from? How many meteorites land on 16 Earth? 17 Meteorite finds 18 Antarctic meteorites 20 What are meteorites...the Moon 32 Achondrites from Mars? 34 Iron meteorites 37 Stony-Iron meteorites 39 Meteorites within meteorites...comets? 52 Time and the origin of planets 57 I Meteorite impact and evolution 58 Future research Glossary’...feet) deep. It was formed by the impact of an iron meteorite almost 50,000 years ago. Inset: Left, polished...Right, a stone from the Cronstad (South Africa) meteorite shower of 1877. The saw-cut surface is about 8 |
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| natural gas wells was undertaken in a search for new evidence of the direction of evolution of noble gases...system had been reduced to = 10eg torr, glass encased iron slugs were used to break the sealed ampules so that...and the Murray meteorite are shown in Fig. 1. The noble gas data on Murray meteorite were chosen for...any other meteorite, except Novo Urei, and all of the noble gases in the Murray meteorite have been measured...xenon from the atmosphere and from the Novo Urrei meteorite. Novo Urei was chosen for comparison because it |
 | | Journal (article/letter/editorial) |
| diogenite, Pasamonte eucrite, five aubrites and two angrites. Among these, Lodran, Tatahouine, Pasamonte and...and the aubrite Norton County have been reported to contain U-Xe, a noble gas component assumed to be the...cosmogenic Xe. Reanalysis ofliterature data for Pasamonte, Angra dos Reis and some aubrites is consistent... 1865 © Meteoritical Society, 2002. Printed in USA. 1866 H. Busemann and O. Eugster noble gases...aubrite Norton County, the eucrite Pasamonte and the H5 chondrite Achilles (Pasamonte: Hohenberg et al |
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| METEORITICS H . H . Nininger DIRECTOR , AMERICAN METEORITE MUSEUM The University of Denver Press Science...Survey of Cana da , the Geological Institute of Mexico , the University of Ken tucky , the University...University of Nebraska , the New York State Museum , the College of the City of New York , the North Carolina...of people from the United States , Canada , and Mexico who have responded to his many requests for infor...RELATIONS THE PLAINVIEW METEORITE SHOWER THE KIOWA COUNTY METEORITES METEORITE CRATERS A COMPOSITE SWARM |
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| CahJorma Instttute o f Technology, Pasadena, Cahforma, USA Recewed 1 October 1970 tt ts pretty sure to be a...the Ca-rich achondrltes, Moore Co., Juvmas and Pasamonte and the chondntes St. Severln and Guarefla A potassium-feldspar...inclusion from the iron D N Schramm et al, 26Mg and 26A1 m the early solar system meteorite Colomera was...crystal potassmm-feldspar inclusion C5 [17] m the iron meteorite Colomera were handpicked for subsequent analysis...run on the mass spectrometer. 2 10 Pasamonte The achondnte Pasamonte, m which fission Xe has been observed |
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| Printed inGreatBritain Quench temperatures of Moore County and other eucrites : residence time on eucrite...probe investigation of the eucrite Moore County. Moore County consists predominantly of four pyroxene...troilite, iron metal and possibly apatite. Temperatures have been computed for Moore County and other...with the conclusions of earlier workers that Moore County was catastrophically removed from its cumulate...results are consistent with the conclusion that Moore County resided for an extended period of time on the eucrite |
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| [5~ NOBLE GASES IN CO2 WELL GAS, HARDING COUNTY, NEW MEXICO E.W. HENNECKE and O.K. MANUEL Chemistry Department...Department, University of Missouri, Rolla, Mo. (USA) Received April 7, 1975 Revised version received...determined in samples of CO2 well gas from Harding County, New Mexico. Our results confirm the presence of radiogenic...of 1a 6 Xe) in CO2 well gas from Harding County, New Mexico. They considered different mechanisms for...separation of noble gases is as follows. A glass encased iron . slug is used to break the glass seal so that gases |
 | | Catalog/List |
| October 14, 2012 ❘ new york Front Cover: Gibeon mask — an incomparable iron meteorite (see lot 49079,...Foreground — the largest complete slice of the Abee meteorite (see lot 49116, page 90) Background — close-up...Signature® Auction #6089 Meteorites October 14, 2012 | New York LIVE AUCTION Signature® Floor Session (Floor...the Fletcher Sinclair Mansion 2 E. 79th Street • New York, NY 10075 Sunday, October 14 • 3:30 PM ET •...the Fletcher Sinclair Mansion 2 E. 79th Street • New York, NY 10075 Thursday, October 11 • 12:00 PM – |
 | | Journal (article/letter/editorial) |
| greater (e.g. Sioux County-l 5%) or smaller (e.g. StannernA%) degrees of melting. Moore County and Serra de...metamorphic events (WILKENING (BIRCK et al., 1975). Pasamonte yields mineral isochand ANDERS, 1975; STEELEand...clinopyroxene. The FeO/(FeO + MgO) molar ratio County, and Stannern yield younger “ages” (BIRCK in the...while younger few unusual eucrites such as Moore County and Serra ages are interpreted as subsequent disturbance...WASSERBURG, 1969; of plagioclase in both Moore County (HESSand HEN- GRAY et al., 1973), is consistent |
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| Nininger Ask A Question About Meteorites Arizona's Meteorite Crater Out Of The Sky The Nininger Collection...BY DR. FRED L.WHIPPLE PA UL S. ERIKSSON, INC. New York © 1972 by H. H. Nininger. All rights reserved...Publisher, Paul S. Eriksson, Inc., 119 West 57th St., New York, N. Y. 10019. Published simultaneously in the...value of our program, gave encouragement to the new science of meteoritics. To the farmers, ranchmen...G. Mullerreid, Uni- viii PREFACE versity of Mexico; Prof. Harlow Shapley, Department of Astronomy |
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| discrepancies appear in the region of iron, and specifically iron appears about four to six times lower...in the chondritic meteojtes. One might say that iron has been concentrated in the meteorites but it is...difficult to imagine what processes lowered the iron abundance and left cobalt and nickel for example...of the moon indicates either a low abundance of iron or a high percentage of water or graphite in its...reported in more recent astronomical papers for iron in the sun (ALLER, 1959). In this case the materials |
 | | Report (chapter) |
| University Library on July 13, 2015 The history of meteorite age determinations J.R. D E L A E T E R Department...Patterson measured the isotopic composition of lead in iron meteorites in 1956, to produce an age of 4550 Ma...4 years were then to elapse before the dawn of a new era, to decipher the timing of events in the early...nucleosynthesis of elements in stars and the formation of meteorite parent bodies, to be determined. The last 40 years...evidence of clustering of exposure ages in some meteorite classes, which provide information on the frequency |
 | | Book |
| evidence from the “84001 Martian meteorite,” which has raised provocative new questions about life on the...Looking forward; the authérs chart the exciting new era of planetary, asteroidal, and cometary exploration...and London IN ASSOCIATION WITH THE UNIVERSITY OF NEW SOUTH WALES PRESS CONTENTS Preface Rocks Searching...our common heritage. © 2002 by the University of New South Wales Press. All rights reserved. No part of...association with the University of New South Wales Press University of New South Wales Sydney 2052 Australia |
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| spectrometrically in an acid resistant residue of the Allende meteorite and in one magnetic and three non-magnetic portions...address: Department of Geology, The University of New Mexico, Albuquerque, NM 87 13 1, U.S.A. been tentative...search for isotopic abundance anomalies in Ru from iron meteorites was undertaken more than 20 years ago...appear to survive chemical dissolution of bulk meteorite samples so that they are enriched in acid-resistant...1146 Table Ru isotope 2 abundance ratios in meteorite samoles Allende, Residue, 3531 bulk 1. Aliquant |
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| two yield 104 D. A. EDGERLEY Table 132Xe Meteorite Fraction Clover ccSTP/g Springs 400°C (Mesosiderite)...component remaining from the initial condensation of meteorite material. While atmospheric contamination is expected...spallation Xe have been determined in a variety of meteorite samples resulting in an equally diverse selection...spallation composition and how it varies with meteorite type, composition, and cosmic-ray history are...to the heavier isotopes. In addition fission meteorite Xe isotope patterns may be represent Xe abundance |
