 | | Journal (article/letter/editorial) |
| Press Ltd. Printed in Northern Ireland The Bununu meteorite, and a discussion of the pyroxene-plagioclase...Abstract--The Bununu meteorite, a pyroxene--plagioclase achondrite (howardite), fell in central Nigeria in April...0.04, H~O+ 1.53, H 2 0 - 0.12, sum 99.81. The meteorite is made up almost entirely of pyroxene and plagioclase...nickel-h'on, troilite, chromite, ilmenite and tridymite. The pyroxene--plagioclase achondrites can be...B u n u n u m e t e o r i t e fell in central Nigeria a b o u t ten o'clock on a n April m o r n i n |
 | | Journal (article/letter/editorial) |
| GLASS PARTICLES AND SHOCK FEATURES IN THE BUNUNU HOWARDITE Albert F. Noonan Smithsonian Institution Washington...20560 Glass particles have been separated from the Bununu howardite microbreccia and analyzed with the electron...plotted, individual glass analyses from both the Bununu and Malvern howardites range through the howardite...melts of the major rock types and/or matrix in Bununu and Malvern. Shock-produced features which have...terrestrial and lunar impact breccias are also present in Bununu. Crystal deformation, maskeylenite and glass veining |
 | | Journal (article/letter/editorial) |
| 2% TiO2 and 10% A1,O3) in the Angra des Reis meteorite, meteoritic OH' .o A M~Z $1206 C . E . ...low pressures, as indicated by the presence of tridymite in enstatite chondrites and in many achondrites...cnstatite-oligoclase-SiO2, the SiO z being usually present as tridymite, rarely as quartz. The most reasonable explanation...a temperature of recrystalllzation below 867~ tridymite a higher temperature. Asteroidalsized bodies are...specifically between the two pyroxenes. In the Woodbine meteorite the orthopyroxene contains about 3% (by weight) |
 | | 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...WOK, 1966a), Kapoeta (&SON and Wmc, 1966b) and Bununu (&SON, 1967). Wm (1952) considered some general...have been applied sinoe the earliest days of meteorite petrography and were formalized by BRWIXA (1994)...Sioux County Stannern Zagami Howardites: Bialystok Bununu Chaves Dingo Pup Donge, Frankfort Jodzie K&poets |
 | | Journal (article/letter/editorial) |
| with minor pigeon&e and olivine and accessory tridymite. Heterogeneous mineral distribution and textural...achondrites, appear to have no affinities to other meteorite types. INTRODUCTXON THE TERM mesosiderite wa...and plagioclase. PRIOR’S (1918) work on these meteorite groups revealed that there were no essential differences...compared to that devoted to the more abundant meteorite species. The mesosiderite group is a small one...considerable significance in the early history of some meteorite parent bodies. Prior concluded from his mineralogical |
 | | Journal (article/letter/editorial) |
| Kapoeta parent body. Kapoeta is a ‘regolith’ meteorite, and mineral-chemical and petrographic data were...these observations to indicate that the Kapoeta meteorite represents the comminuted remains of differentiated...preclude the interpretation that the Kapoeta meteorite is a simple mixture of eucrites and diogenites...composition (NOONAN tion of the breccia from which this meteorite was deet al., 1974Fsome of which possess ‘zap...indicates III. SAMPLING PROCEDURE that the Kapoeta meteorite was not subjected to strong thermal metamorphism |
 | | Journal (article/letter/editorial) |
| howardites, and mesosiderites. _____ peak Meteorite# Mass Peak T Source/ Cat. #+ Descr@ (mg) (OC)...29 Bholghati,28 Bholghati,l9 Bholghati,21 Binda Bununu Chaves EET83376,7 EET83376,8 EET87503,3 EET87503...National d'HistorieNaturelle (Dr. Paul Pellas); MWG, Meteorite Working Group of NASA/NSF; USNM, National Museum...insights into the thermal histories of a variety of meteorite classes (HASAN et al., 1986; KECK and SEARS, 1987;...SiOz grains (with fan-like shapes suggestive of tridymite) were removed from the coarse-grained unequilibrated |
 | | Report (issue) |
| parent rocks. Introduction As the importance of meteorite impacts as a mechanism producing lunar land forms...ACKNOWLEDGMENTS.—We are indebted to the curators of the meteorite collections in the following institutions for...used in Table 1) follow. 1. YAMATO-7307.—This meteorite, also known as Yamato(l), was collected by the...27). 2. MASSING.—The analysis shows that this meteorite is very similar in composition to Yamato-7307;...mislabelled material. 3. CHAVES.—Thin sections of this meteorite show that it is a typical polymict breccia. The |
 | | Journal (article/letter/editorial) |
| detail in only a few stony meteorites,be- each meteorite individually, even though each causewith earlier... but mostly in small amounts. Native gold was Bununu Pes]anoe Bur Gheluai Pillistfer Carraweena...pend on the sulfur and oxygen contents of the meteorite. A higher content of sulfur or oxygen With few...grained, sometimes to the amounts; quartz and tridymite are rare. limit of resolution of the microscope...Si,, which are absent,from other parts of this meteorite. On rare occasionsgraphite forms well-devel- |
 | | Report (issue) |
| Specimen No. 635 !> 32.7 g> Arizona State University Meteorite Collection, Terape, Arizona. Murray carbonaceoxis...was made possible by the existence of excellent meteorite collections at Arizona State University, Tempe...Carleton B. Moore, Director of Research, Center for Meteorite Studies at Arizona State University, for the extended...INTRODUCTION ......................... 1 2. THE METEORITE CIASSZS ..................... k Descriptive...Impactites ................... Classification of the Meteorite Breccias ......... Volatile-rich Breccias ... |
 | | Report (issue) |
| cular bya x ates she woke RG Rn Wet The Elga meteorite: Silicate inclusions and shock metamorphism Eu...rims on coarse-grained inclusions in the Allende meteorite G. J. MacPherson, L. Grossman, J. M. Allen, and...Osram wel oregit is) anes Carbon in the Allende meteorite: Evidence for poorly graphitized carbon rather...76009 (Le) The magnetic properties of the Abee meteorite: Evidence for a strong magnetic N. Sugiura and...the eucrite parent body. Petrology of Bholgati. Bununu, Kapoeta, and ALHA76005 eee i en 2:cae 2) eee oa |
 | | Book |
| 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...during the past decade regarding problems of meteorite origin and classification. A complete list would |
 | | Book |
| 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...during the past decade regarding problems of meteorite origin and classification. A complete list would |
