 | Caillet Komorowski, Catherine, El Goresy, Ahmed, Miyahara, Masaaki, Boudouma, Omar, Ma, Chi (2012) Discovery of Hg–Cu-bearing metal-sulfide assemblages in a primitive H-3 chondrite: Towards a new insight in early solar system processes. Earth and Planetary Science Letters, 349. 261-271 doi:10.1016/j.epsl.2012.06.039 | Journal (article/letter/editorial) |
| heterogeneously distributed in the matrix of the H-3 Tieschitz unequilibrated ordinary chondrite (UOC). The systematic...systematic association of Hg with Cu in Tieschitz chondrite provides a unique opportunity to place robust...be ruled out because cinnabar occurs only in Tieschitz matrix in alternating rhythmic intergrowth with...concentration retained in this meteorite. Our findings strongly suggest that Tieschitz resided near the cold surface...Hg metal native Cu opaque mineral aggregates Tieschitz unequilibrated ordinary chondrite accretionary |
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| Northerrr Ireland Iron transport in chondrites: evidence from the Warrenton meteorite JOHNF. KEBIDGX* Plar~&ologyBrrtnch...aoca;ptedirarevisecZ form Abs&&--V&s 24 March 1972) of iron enrichment in an allvine chondruls in Warrenton...‘metaznorphie’ theories of iron d~t~bnt~on in ohondrites. migration of iron prior to final consolidation...mean iron content in olivine (34 vs 20 per cent Fa) (VAN SCHMUS, 1969) and a smaller range of iron contents...Fig. 4>taken in Fe K-alpha radiation, which shows iron enrichment at the chondrule rim. Quantita- tively |
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| chondrule and a carbonaceous fragment from the Tieschitz meteorite are described. Electronmicroprobe analyses...that the carbonaceous material from the Tieschitz meteorite probably is a residual material of the chondrule-forming...Therefore it is depleted mostly in magnesium and iron if compared with the carbonaceous chondrites. There...There is also a high probability that the Tieschitz carbonaceous material had suffered some alterations...pneumatolytic activity on the Tieschitz parent body. Aus dem Meteoriten yon Tieschitz werden ein kohliger Einschluss |
 | Henkel, Torsten, Stephan, Thomas, Jessberger, Elmar K., Hoppe, Peter, Strebel, Roger, Amari, Sachiko, Lewis, Roy S. (2007) 3-D elemental and isotopic composition of presolar silicon carbides. Meteoritics & Planetary Science, 42 (7) 1121-1134 doi:10.1111/j.1945-5100.2007.tb00564.x | Journal (article/letter/editorial) |
| extracted from two different meteorites—Murchison and Tieschitz—using different acid residue methods. At high...grains, typically making up a few ppm of the host meteorite, are separated into seven groups: types A, B,...meteorites using acid residue methods where the host meteorite is dissolved in a series of different acids (Amari...name, type of presolar SiC, size, and the host meteorite for the all analyzed grains. Additional data is...not determined). Name Type Size (μm) Host meteorite KJG2-243-U KJG2-243-O KJG2-333 KJG2-415 KJG2-422 |
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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...of Chainpur are free of dislocations. Those of Tieschitz contain only few dislocations, among them dislocation...induced by shock, were observed in MezO-Madaras and Tieschitz. In Mezr-Madaras taenite polysynthetically twinned |
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| the interchondrule matrix of the Tieschitz (H3) chondritic meteorite R. HUTCHISON Mineralogy Department...(Natural History), London SW7 5BD Abstract The Tieschitz chondrite is a disequilibrium assemblage of silicate...KEYWORDS: chondrites, meteorites, Tieschitz, augite. Introduction T H E Tieschitz chondrite is a disequilibrium...and Bevan and Axon (1980) suggested that the Tieschitz assemblage had accreted at (800+ 100) ~ This hot...reaction between the various components of the meteorite has since been sought more carefully; the following |
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| doi:10.1016/S0016-7037(03)00080-2 High precision iron isotope measurements of meteoritic material by cold...␦56Fe and ⫾ 0.25 ‰ for ␦58Fe (1 ). The measured iron isotopic compositions of various bulk meteorites...that iron mass fractionation during planet formation and differentiation was non-existent. Iron isotope...chondrite Tieschitz range from ⫺0.5 ‰ ⬍ ␦56Fechondrules ⬍ 0.0 ‰ relative to the terrestrial/ meteorite average...average. Mechanisms for fractionating iron in these chondrules are discussed. Copyright © 2003 Elsevier |
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| these meteorites. INTRODUCTION In 1969 a stony meteorite was found by Mr. Eric Holm, then a staff member...lesser fragments. This is only the second stony meteorite recovered from South West Africa. We report herein...accessioned into our collection as the Gobabeb meteorite, USNM No. 5744. MACROSCOPIC DESCRIPTION The unbroken...to edge, from 0.4% CaO to 1.3% CaO. The average iron contents of the olivine and pyroxene correspond...and FS 16 respectively. These values place the meteorite in chemical group H (Keil and Fredriksson, 1964) |
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| Wl6-7037/87/%3.00 + .oO The Semarkona meteorite: First recorded occurrence of smectite in an ordinary...undertaken different special&d investigations of the meteorite, no general description appears to exist. This...studies of Tieschitz by KURAT ( 1969) and CHRISTOPHE-MICHEL-LEVY ( 1976) implied that the meteorite had undergone...distributed within each of the three sections. The meteorite was seen to fall in 1940 and has suffered no obvious...Krymka, Ngawi. Sharps and Tit%- The Semarkona meteorite FIG. 2. Porphyritic pyroxene clast, plane polarized |
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| minerals in the fine-grained matrices of the Tieschitz unequilibrated ordinary chondrite * and A. J...matrices in the unequilibrated ordinary chondrite Tieschitz (H/L, 3.6) show, for the first time in an ordinary...the metamorphic evolution of the parent body of Tieschitz. The presence of amphiboles as the main hydrous...that are similar to the black matrix of host Tieschitz, suggesting that this dark inclusion was emplaced...in the unequilibrated ordinary chondrite (UOC) Tieschitz by the pioneering studies of Kurat (1970) and |
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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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| 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...filling interchondrule voids. Iron may have been lost from the bulk meteorite, but most other elements merely...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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| content. The most iron-rich olivines, although compositionally very similar to the iron-poor ones, are marked...most CAI's, especially in those from the Allende meteorite. The Fe in L2 must therefore be mainly of primary...least most of the Fe present in L2 is primary. (3) Iron is also always present in spinels (Table 1). Since...low and support the view outlined above (Table2). Iron contents are high and thus do not support our model...CaAI407 and a few spinels are particularly FeO-rich. Iron should not condense together with these phases from |
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| the UOC themselves, using the dispersion in the iron content of the olivine as an index of equilibration...Brownafield c10vil3 Dimmit Dimmit Grady (1937) Tieschitz Meteorite 1.2 1.66 1.81 6.0 7.0 11.3 -.-l 2.7 2...with C. HA = Hamlet (KIR~TENet aE., 1963), TI = Tieschitz (EBERHARDT et al., 1966), other letterings aa...ages of UOC listed in order of decreasing PMD Meteorite Bremerdrde* Bremerv&de Prairie Dog Creek Radiation...from Table 3, Brownfield (20 million yr) and Tieschitz (21 million yr) also come from an earlier collision |
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| fluid involving scavenging of cations in the Zag region of the parent body. We suggest that the halite...al. 1999; Clayton and Mayeda 1984). The main meteorite used in this study—Zag—is a fall from Morocco...Mercy (H6), Sharps (H3), Supuhee (H6 breccia), Tieschitz (H3), Wessely (H5), and Weston (H4 breccia). These...isotopic composition. ZAG PETROGRAPHY The main meteorite slice shows a brecciated texture with three discrete...show numerous scattered microscopic veinlets of iron and sulphide blebs, which are characteristic of |
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| wellstudied falls Semarkona, Bishunpur, Chainpur, and Tieschitz, most of the evidence for aqueous alteration has...noted that some "fibrous" pyroxene chondrules in Tieschitz were altered at their surfaces and along cracks...Michel-LCvy (1976) made similar observations on Tieschitz, finding evidence that the glass in some chondrules...procedure allowed characterization of the same region of the sample to be carricd out at all scales....chondrules, tiny holes speckle the entire bleached region. Bleached zones typically occur as annular regions |
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| on isotopic contaminated soils from the Morvan region of France, composition valuable for radiometric...PRIME Laboratory, Purdue University, zeolite and iron-oxide grains that dominate the rock (Duff W. Lafayette...right) in oxide grains separated from the Tieschitz meteorite. The arrows show the presence of a grain...(USA), the explosive force of the Canyon Diablo iron meteorite excavated rock that, until that time, had been...introduction of a solution into the ionization region. Laser ablation enables the in situ analysis of |
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| 1999; accepted 3 March 2000 Abstract The world’s meteorite collections contain meteorites from at least ∼27...asteroids that are represented in the world’s meteorite collections. They conclude, in agreement with...1977; Wasson, 1995) that the collections contain meteorite groups (¿ 5 members), grouplets (¡ 5 members)...associated with meteorite-asteroid comparisons, and these must be kept in mind when meteorite properties are...body of the H-group ordinary chondrites and the IIE iron meteorites. This suggestion is fraught with considerable |
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| successiveimptactevents on the surface of the meteorite parent body, rather than during agglomeration...K-feldspar, ilmenite, chromite, froilite, metallic nickel-iron, zircon and phosphates. In Table 2, a group of alkalic...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...observations on chondrules from the Tieschitz meteorite. In Meteorite Research, (editor P. M. Millman), |
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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...a nearly contiguous fine-grained rim. Within a region of the rim, containing Fesulfide and Fe-Ni-metal...>En70. Low Ca-pyroxene (iron (Fs1.6–65.6). Several Ca-pyroxene phenocrysts from...composition of ~80% of microchondrules and form a dense region at <15 wt% FeO between ~30–50 wt% MgO (Fig. 10)...9–23.9 wt% Al2O3) calcia (0.26–14.5 wt% CaO), and iron (1.1–8.6 wt% FeO; all three compositions from Krot |
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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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| massive stars, the origin of the elements heavier than iron, and stellar migration in the galaxy. Further current...Compositions in Stardust SiC Grains from the Murchison Meteorite [#6318] We report the results of Gd and Dy isotopic...Contribution of Cosmogenic Noble Gases and Radionuclides in Iron Meteorites [#6185] We measured cosmogenic noble...noble gas and radionuclide concentrations in iron meteorites and calculated their cosmic ray exposure (CRE)...R. Gyngard F. Bisterzo S. Gallino R. Dauphas N. Iron and Nickel Isotopic Compositions of Presolar Silicon |
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| processing. All objects of Knyahinya are depleted in iron relative to CI chondritic ratio of FeO ⁄ Al2O3,...study of separates chondrules from the Richardton meteorite. Earth and Planetary Science Letters 42:223–236...analyses of meteorites: A compilation of stony and iron meteorite analyses. Meteoritics 25:323–337. Jenner G...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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| to the sur¬ rounding region. Terms for materials in GeoRef, for example, "iron oxides" and "isotopes"...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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| were made of replicate samples from the same meteorite. Various sources of error in the method, including...attempt to contrast self-consistent models of meteorite evolution. In these applications of meteoritic... they appear to be a primitive congolomerate of iron, sulfide and silicate phases; Rb-Sr, U-Pb and 129...analyses on different samples, even from the same meteorite, whether the data reflect either basic geochemical...number of elements in all classes of stone and stony-iron meteorites. Applying the conditions that the analyses |
