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| Chromian-manganoan augite in the interchondrule matrix of the Tieschitz (H3) chondritic meteorite R. HUTCHISON...(Natural History), London SW7 5BD Abstract The Tieschitz chondrite is a disequilibrium assemblage of silicate...to be rimmed with chromium- and manganese-rich augite and surrounded by opaque matrix. The whole is set...chromian-manganoan augite at high temperature. KEYWORDS: chondrites, meteorites, Tieschitz, augite. Introduction...Introduction T H E Tieschitz chondrite is a disequilibrium mineral assemblage of silicate and metal-sulphide |
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| transport in chondrites: evidence from the Warrenton meteorite JOHNF. KEBIDGX* Plar~&ologyBrrtnch, NASA Ames...analyzed plagioclase far Ca in olivine and an analyzed augite for Ca, Mg, Si, Ti and Na in glass. For spine&...individual components but the overall composition of the region is given in Table 1. This is probably a glassy...Warrenton predated fmal consolidation of the meteorite so that alteration took place while the surface...conclusion was reached by Ku&&T (1969) for the Tieschitz meteorite, based on evidence for leaching of Ka, Al |
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| ordinary chondrites Chainpur, Mezr-Madaras and Tieschitz: a transmission electron-microscopic study Jutta...chondrites Chainpur (LL3), MezO-Madaras (L3) and Tieschitz (H3) have been studied by means of transmission...clinopyroxenes (Ca-poor) of about the same amount. In a Tieschitz chondrule pure orthopyroxene crystals without...clinopyroxenes of intermediate composition, exsolution in augite and pigeonite is observed on a very fine scale...of Chainpur are free of dislocations. Those of Tieschitz contain only few dislocations, among them dislocation |
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| Printed in USA. Elemental redistribution in Tieschitz and the origin of white matrix ROBERTHUTCHISONl*...coexist within some porphyritic chondrules in Tieschitz. One type is smooth. The other, confined to chondrule...voids. Iron may have been lost from the bulk meteorite, but most other elements merely underwent internal...that aqueous fluid may have been active on the Tieschitz parent body only 2 Ga ago. If correct, this would...(1976). They remarked on the presence of voids in Tieschitz chondrules and suggested that they were produced |
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| successiveimptactevents on the surface of the meteorite parent body, rather than during agglomeration...medium and small grains). Plot LWin Fig. 3. of augite (i.e. lithic fragment 12 (Figs. 6, top; lf; Table...high-K augite the ranges basalt basalt) in composition to subcalcic chondrule differ augite (Table...polymict-brecciated meteorites, such as Siena (Fig. IB). This meteorite is composed of lithic fragments of merent igneous...successive impact events on the surface of the meteorite parent body (FREDRIKSSON and KEIL, 1963; KURAT |
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| unequilibrated chondrites also shows that each meteorite has been metamorphosed, with the alteration ranging...chondrites Sharps (FREDRIKSSON er al., 1968) and Tieschitz (WOOD, 1963; KURAT, 1968, 1970; CHRIS~OPHE-MICHEL-LEVY...rocks. Furthermore, the fine-grained matrix in Tieschitz also contains more Na20, K20 and A1203. Olivine...identified by X-ray diffraction in the matrix of Tieschitz (WOOD, 1962). The matrix appears to be complex...chondrites. These are, first, clasts in Sharps, Tieschitz and Krymka (FREDRIKSSONet al., 1968; KURAT, 1970; |
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| magnetite and pyrrhotite grains in the martian meteorite are of magnetotactic bacterial origin. A6 Meteoritics...flash and that hot I T can be mixed into the H-rich region [ 101. Recently, Cassisi et al. [ I 11 reported...are injected into the high-temperature Heburning region, resulting in the complete burning of H at a very...exsolved augite. However, exsolution of the primary pigeonite (Wo,) has not proceeded very far: Augite lamellae...1501-1513. 4 - - OXYGEN ISOTOPES IN BJURBdLE AND TIESCHITZ CHONDRULES BY ULTRAVIOLET LASER PROBE. R. D. Ash1 |
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| Compositions in Stardust SiC Grains from the Murchison Meteorite [#6318] We report the results of Gd and Dy isotopic...Pre-Entry Size and Cosmic History of the Annama Meteorite [#6316] Annama is not part of the prominent “7-8...Noble Gas and Cosmogenic Records of Komar Gaon Meteorite, the Latest Fall in India [#6071] Komar Gaon is...Strangway. D. Mineralogy and Petrology of the Murrili Meteorite [#6237] We report on the classification, mineralogy...Silicate Stardust from Supernovae in the QUE 99177 Meteorite [#6054] Our work on QUE 99177 is an extension |
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| OF THE METALLIC PHASES IN THE ALMAHATA SITTA METEORITE (FRAGMENT#051). Y. A. Abdu1, A. M. Gismelseed2...Khartoum, Sudan. Introduction: The Almahata Sitta meteorite fall was unique because asteroid 2008 TC3, the...Introduction: Eyewitnesses who personally visited the region of the 1908 Tunguska catastrophe soon after the...large fragments of the 1947 Sikhote-Alin iron meteorite [2] fallen in the waterlogged deposits. In the...impact structures containing large boulder-sized meteorite rocks may be present. References: [1] Anfinogenov |
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| 4; Allan Hills (ALH) A77015—L3.5; Khohar—L3.6; Tieschitz—H/L3.6; ALHA77278— LL3.7; ALHA77299—H3.7). Microchondrules...San Carlos olivine, Rockport fayalite, Kakanui augite, Wakefield diopside, McKee jadeite, Minas Gerais...a nearly contiguous fine-grained rim. Within a region of the rim, containing Fesulfide and Fe-Ni-metal...composition of ~80% of microchondrules and form a dense region at <15 wt% FeO between ~30–50 wt% MgO (Fig. 10)...dusty microenvironments of the chondrule-forming region for OCs. (1) Precursor type I chondrules exist |
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| pyroxenes with En74.0–77.4 occur. High-Ca Pyroxene Augite-diopside occurs with a maximum wollastonite component...study of separates chondrules from the Richardton meteorite. Earth and Planetary Science Letters 42:223–236...of meteorites: A compilation of stony and iron meteorite analyses. Meteoritics 25:323–337. Jenner G. A...observations on chondrules from the Tieschitz meteorite. In: Meteorite research, edited by Millman P. M...and Essene E. J. 2008. The La Paz Icefield 04840 meteorite: Mineralogy, metamorphism, and origin of an amphibole- |
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| METEORITE RESEARCH ASTROPHYSICS AND SPACE SCIENCE LIBRARY A SERIES OF BOOKS ON THE RECENT DEVELOPMENTS...Holland VOLUME 12 METEORITE RESEARCH PROCEEDINGS OF A SYMPOSIUM ON METEORITE RESEARCH HELD IN VIENNA...the publisher INTRODUCTION The Symposium 'Meteorite Research' was conceived originally at the second...need to strengthen international co-operation in meteorite research, asks that the International Atomic Energy...discussed ranged from the computer-assisted study of meteorite orbit statistics, through problems of composition |
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| isotopic variability in troilite within a same meteorite, our data are consistent with literature results:...from three new lithologies in the Tagish Lake meteorite [5] that have experienced less but varied degrees...()200–400&), with large scatter within a single meteorite [5]. To avoid potential contamination by D-rich...Chinese contemporary limestones [3] show that the meteorite flux was enhanced by two orders of magnitude following...recent study [5] on SEC grains found in the fossil-meteorite-bearing limestone from the Thorsberg quarry revealed |
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| After their parents escaped to the Dominican Republic, Dick and his brother joined them there. With...family came to the United States from the Dominican Republic in 1940 (it was not unusual for immigrants to...it, it was just at this time that the Allende meteorite fell and the minerals contained within the so-called...Silliman Chair and being curator of the Yale meteorite collection. In a continuation of Karl’s foray...chemical histories both in the solar nebula and in meteorite parent bodies. It was in CAIs that the great discovery |
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| the city limits, but also to the sur¬ rounding region. Terms for materials in GeoRef, for example, "iron...noyarsk in Khakass Autonomous Oblast. BT Russian Republic BT USSR abandoned mines Term introduced in 1985...Autonomous Socialist Republic. CO N422000N432000 E0421500E0400000 UF Abkhasia BT Georgian Republic BT USSR Aberfeldy...Aberfeldy Term introduced in 1989. Town and mining region in Tayside, central Scotland; oil field in Lloydminster...Italy NT Chieti NT Marsica AJjsaroka Fault Abee Meteorite aa Taylor County Texas Texas Southwestern U |
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| position of 56Fe; and (iv) the abundance peaks in the region past iron at the neutron closed shell positions...mixing caused by the convection, the entire unstable region evolves essentially chemically homogeneously—replenishing...of burning region (central or shell burning) and depleting the fuel elsewhere in that region at the same...burning of this fuel then commences outside that region. Table 1 summarizes the burning stages and their...maximum temperatures that have been reached in each region in the preceding hydrostatic burning stages (Table |
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| Vereinigung der Freunde der Mineralogie und Geologie. Republic of Germany. Auk- Auk. American Ornithologists'...Hohenlohe'sche Buchhandlung Ferd. Rau. Ohringen, Federal Republic of Germany. Elisha Mitchell Sci. Soc. Jour. -...wissenschaftliche Geographie. Verlag. Bonn, Federal Republic of Germany. XVI Ferd. Diimmlers SERIAL LIST...Nordrhein-Westfalen. Krefeld, Westphalia, Federal Republic of Germany. [France] Bur. Recherches Geol. et...Vereinigung. Ferdinand Enke Verlag. Stuttgart, Federal Republic of Germany. Geol. Soc. America Abs. with Programs- |
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| new hydrous calcium borate, from the Death Valley region, California. Am Mineral 44:911-919 Erd RC, McAllister...new hydrous calcium borate from the Death Valley region, California. Am Mineral 46:560-571 Erd RC, Morgan...hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd...paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California. Mineral Ree 20:101-127... from the Little Three mine pegmatite, Ramona District, San Diego County, California. Am Mineral 76:1998-2002 |
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| hydrous calcium borate, from the Death Valley —~ region, California. Am Mineral 44:911-919 Erd RC, McAllister...new hydrous calcium borate from the Death Valley region, California. Am Mineral 46:560-571 Erd RC, Morgan...hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd...paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California. Mineral Rec 20:101-127... from the Little Three mine pegmatite, Ramona District, San Diego County, California. Am Mineral 76:1998-2002 |
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| position of 56Fe; and (iv) the abundance peaks in the region past iron at the neutron closed shell positions...mixing caused by the convection, the entire unstable region evolves essentially chemically homogeneously—replenishing...of burning region (central or shell burning) and depleting the fuel elsewhere in that region at the same...burning of this fuel then commences outside that region. Table 1 summarizes the burning stages and their...maximum temperatures that have been reached in each region in the preceding hydrostatic burning stages (Table |
