 | 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 |  | | Journal (article/letter/editorial) | | transport in chondrites: evidence from the Warrenton meteorite JOHNF. KEBIDGX* Plar~&ologyBrrtnch, NASA Ames...olivines for Mg, Fe, and Si in olivine, an analyzed plagioclase far Ca in olivine and an analyzed augite for...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 |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | 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; |  | BRIDGES, J. C., ALEXANDER, C. M. O'D., HUTCHISON, R., FRANCHI, I. A., PILLINGER, C. T. (1997) Sodium-, chlorine-rich mesostases in Chainpur (LL3) and Parnallee (LL3) chondrules. Meteoritics & Planetary Science, 32 (4) 555-565 doi:10.1111/j.1945-5100.1997.tb01300.x | Journal (article/letter/editorial) | | in chondrule mesostases or, in one case, the plagioclase of a barred-olivine chondrule. None of the chondrules...1@50 p m wide channels between chondrules in Tieschitz (H3.6), is a blocky material containing nepheline...dendrites and mesostasis, that chondrules in Tieschitz were leached by hydrous fluid that redeposited...clasts in C 0 3 chondrites containing pyroxene, plagioclase and nepheline. They suggested that the nepheline...nepheline either crystallized from the melt prior to plagioclase or that it was the result of metasomatism after |  | | Journal (article/letter/editorial) | | successiveimptactevents on the surface of the meteorite parent body, rather than during agglomeration...Fig. 2), characterized by an average normative plagioclase content of ‘70 per cent (range 65-79 per cent...contain plagioclase crystals embedded in a very fine-grained matrix consisting of plagioclase, .34 ...microprobe analysis (KURAT et al., 1972). The large plagioclase crystals range in composition from A.n,,_gs (Fig...composition were found. Anorthosite has normative plagioclase content of over 90 per cent (Table 1; Table 1 |  | Bridges, John C, Franchi, Ian A, Hutchison, Robert, Sexton, Arabelle S, Pillinger, Colin T (1998) Correlated mineralogy, chemical compositions, oxygen isotopic compositions and size of chondrules. Earth and Planetary Science Letters, 155 (3) 183-196 doi:10.1016/s0012-821x(97)00213-6 | Journal (article/letter/editorial) | | A spot size of 1 mm was used for pyroxene, plagioclase and olivine analyses. Analytical precision is...range for UOCs. Thirteen of the chondrules have plagioclase of An 75 or greater. Parnallee contains a higher...higher proportion of chondrules with plagioclase of this composition Ž7 out of 15. than Chainpur Ž6 out...because of the common presence of stoichiometric plagioclase. Na was found to correlate with K and Ga when...readily to Ca-rich plagioclase than the generally more Na–Al-rich ones to Na-rich plagioclase because anorthite |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | 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...Considerable uncertainties exist in relating speci c meteorite types to asteroidal spectral types. The classic |  | | Journal (article/letter/editorial) | | high-Ca pyroxene, and glass or devitrified glass. Plagioclase is subordinate. Metal and sulfides, which usually...mesostasis; ol = olivine; px = pyroxene; plag = plagioclase; RP = radiating pyroxene; RPO = radial pyroxene...mesostasis glass associated with crystals of plagioclase. Devitrified Glass Glass in Knyahinya objects...and 2–4.7 wt% CaO. Object OZ8 is the Plagioclase Plagioclase occurring in Knyahinya and Ouzina objects...olivine, low-Ca and high-Ca pyroxene, glass, and plagioclase in wt%. KNYAHINYA-olivine Object KN1 KN1 (rim) |  | | Journal (article/letter/editorial) | | 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...portions of crystalline silicates. The rock’s plagioclase (uniform at An,,.,,,,,) is virtually devoid of...a few areas that escaped severe cataclasis. Plagioclase is up to 0.8 x 0.3 mm, and pyroxene up to 0.6 |  | | Journal (article/letter/editorial) | | 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...Osinski G. R. O. Raman Study of Shock Effects in Plagioclase Feldspar from the Mistastin Lake Impact Structure |  | Sears, Derek W. G., Morse, Andrew D., Hutchison, Robert, Guimon, R. Kyle, Jie, Lu, Alexander, C. M. O'D., Benoit, Paul H., Wright, Ian, Pillinger, Colin, Xie, Tian, Lipschutz, Michael E. (1995) Metamorphism and aqueous alteration in low petrographic type ordinary chondrites. Meteoritics, 30 (2) 169-181 doi:10.1111/j.1945-5100.1995.tb01112.x | Journal (article/letter/editorial) | | increase, the spread of values within an individual meteorite decreases, and peak temperatures and peak widths...complex history involving aqueous alteration as a meteorite-wide process. Figure 1 summarizes much of the...aqueous alteration following accretion on the meteorite parent body. We also conclude that it is doubtful...limited data were also obtained for the Allegan meteorite whose chondrules are equilibrated and members...and 4. The 11.. data for the matrix of a given meteorite show similar spread to that of chondrules, except |  | | Journal (article/letter/editorial) | | primary material rarely resembles olivine or plagioclase. Some microchondrules are composed of FeO-rich...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...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 |  | | Journal (article/letter/editorial) | | 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 |  | | Book | | 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 |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | 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...analyses on different samples, even from the same meteorite, whether the data reflect either basic geochemical...experimental procedures follows. Sample Preparation Meteorite samples, of masses ranging from 14 to 1238 mg...these specimens are on loan from the Nininger Meteorite Collection at Arizona State University, through |  | | Book | | 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 |  | | Book (edition) | | 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 |  | | Book | | 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 |  | | Report (volume) | | 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 | | | Report (volume) | | 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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