 | | Report (issue) | | c = 14.269(4) Z=2 X-ray Powder Pattern: Indarch meteorite; essentially identical with eifelite. 3.570...)§=4:66 (Si 11:99 Al 0:01 )§=12:00 O 30 : (2) Indarch meteorite; by electron microprobe, average of six analyses;...accessory mineral in an enstatite chondrite (Indarch meteorite). Association: Hematite, tridymite, sanidine...nickel-iron, schreibersite, plagioclase, carbon, tridymite, oldhamite, glass (Indarch meteorite). Distribution:...Distribution: In the Indarch, Witchita County, and Canyon Diablo meteorites. From the Bellerberg volcano, two |  | Britvin, S. N., Bogdanova, A. N., Boldyreva, M. M., Aksenova, G. Y. (2008) Rudashevskyite, the Fe-dominant analogue of sphalerite, a new mineral: Description and crystal structure. American Mineralogist, 93 (5) 902-909 doi:10.2138/am.2008.2582 | Journal (article/letter/editorial) | | sphalerite, is an accessory phase in the Indarch meteorite (enstatite chondrite, EH4). It occurs as xenomorphic...kamacite, troilite, oldhamite, niningerite, schreibersite, and roedderite. Macroscopically, rudashevskyite...Rudashevskyite, new mineral, sphalerite, wurtzite, FeS, meteorite, enstatite chondrite, black smokers Introduction...characterized (Fe,Zn)S sulfide (Mineral K) in the Indarch meteorite (enstatite chondrite, EH4). Further investigations...sphalerite, based on a material from the Indarch meteorite (Mineral K of Ramdohr 1963, 1973). The new |  | | Journal (article/letter/editorial) | | intergrowthsof theseminerals(piessite),cohenite, schreibersite, graphite,native copper,native gold, trollitc...detail in only a few stony meteorites,be- each meteorite individually, even though each causewith earlier...d:•tinguishbetweenphases(e.g., a and7 ironor iron and schreibersite). During the present investigation polished...in a few stony meteoritesin small amoun.t•, Schreibersite(FesP) is widely distributed'm smallamounts;...abundantin a few highly reduced meteorites (e.g., Indarch). Another mineral having an hexagonallayer structure |  | | Journal (article/letter/editorial) | | (People's Republic of China). Two fragments of the meteorite were recovered, weighing respectively 600 g and... Table 1 Roedderite occurrences in meteorites Meteorite Type Paragenesis References Qingzhen EH3...graphite nodules of the Wichita County IA iron meteorite. Other coexisting phases are olivine (F099), plagioclase...phosphate in a silicate inclusion in the IB iron meteorite San Cristobal. Roedderite has also been reported...and contains droplets of the Fe-Ni phosphide, schreibersite. Sample C (Fig. 2c) consists of kama cite, troilite |  | Ma, C., Beckett, J. R., Rossman, G. R. (2012) Buseckite, (Fe,Zn,Mn)S, a new mineral from the Zaklodzie meteorite. American Mineralogist, 97 (7) 1226-1233 doi:10.2138/am.2012.4110 | Journal (article/letter/editorial) | | (Fe,Zn,Mn)S, a new mineral from the Zakłodzie meteorite Chi Ma,* John R. Beckett, and George R. Rossman...and sinoite. Low-Ni iron, martensitic iron, schreibersite, keilite, cristobalite, and graphite, which...sinoite, Zakłodzie meteorite, enstatite achondrite Introduction The Zakłodzie meteorite, which is a moderately...During a nano-mineralogy investigation of this meteorite, a new Fe-dominant monosulfide mineral, (Fe,Zn...and survival for the evolution of the Zakłodzie meteorite. Preliminary results are given in Ma et al. (2012) |  | | Report (issue) | | 57.2 42.8 60.06 39.94 100.0 100.00 (1) Indarch meteorite; by scanning transmission electron microscope...kamacite, perryite, schreibersite, troilite, spinel, chromite, hibonite, rutile. In the Indarch enstatite chondrite...chondrite meteorite, and the Inman, Adrar, and Tieschitz chondrite meteorites. Distribution: Honors Alfred |  | | Journal (article/letter/editorial) | | alert to the potential discovery of a genuine meteorite from Mercury which, superficially, should resemble...and, if true, a meteorite from Mercury should not resemble any currently known meteorite type. & 2010 Elsevier...1940; Keil et al., 1989), LAP 02233 (Antarctic Meteorite Newsletter, 2003, 2004), LAP 03719 (McCoy et al...classified as aubrites that are actually other meteorite types. Table 1 Ranges and average modal (vol%)...ranges in compositions (in wt%) of kamacite, schreibersite and sulfides from the aubrites Aubres, Bishopville |  | Fazio, Agnese, D'Orazio, Massimo, Folco, Luigi, Gattacceca, Jérôme, Sonzogni, Corinne (2013) The extremely reduced silicate-bearing iron meteorite Northwest Africa 6583: Implications on the variety of the impact melt rocks of the IAB-complex parent body. Meteoritics & Planetary Science, 48 (12) 2451-2468 doi:10.1111/maps.12231 | Journal (article/letter/editorial) | | The extremely reduced silicate-bearing iron meteorite Northwest Africa 6583: Implications on the variety...Africa (NWA) 6583 is a silicate-bearing iron meteorite with Ni = 18 wt%. The oxygen isotope composition...relationship between several iron meteorite groups and known stony meteorite groups. A possible genetic link...composition of a unique, silicate-bearing iron meteorite named Northwest Africa 6583 (Meteoritical Bulletin...data, we establish its relationship with a known meteorite group, we define its petrogenesis (including its |  | Udry, Arya, Wilbur, Zoë E., Rahib, Rachel R., McCubbin, Francis M., Vander Kaaden, Kathleen E., McCoy, Timothy J., Ziegler, Karen, Gross, Juliane, DeFelice, Christopher, Combs, Logan, Turrin, Brent D. (2019) Reclassification of four aubrites as enstatite chondrite impact melts: Potential geochemical analogs for Mercury. Meteoritics & Planetary Science, 54 (4) 785-810 doi:10.1111/maps.13252 | Journal (article/letter/editorial) | | History, Smithsonian Institution, Washington, District of Columbia 20560, USA 5 Department of Earth and...addition, investigation of members of the enstatite meteorite clan allow us to distinguish between the various...than aubrites based on prior studies of both meteorite groups (Keil 1968; Watters and Prinz 1979; Brett...and metal phases within the four investigated meteorite samples were measured using the JEOL JXA-8900...[(Ni,Fe)5(Si,P)3], brezinaite [Cr3S4], and schreibersite [(Fe,Ni)3P] within NWA 4799; however, the two |  | | Journal (article/letter/editorial) | | conditions as well as to relationships among meteorite classes. Previous studies of noble gases in E-chondrites...Daniel’& Kuil. St Sauveur. and Happy Canyon and the Indarch residue HF were measured on a 4-l ‘2”-radmh glabb...sphalerite djerfisherite daubr&lite FeNi metal schreibersite cohenite pcrryite sinoite orbornite olivine...roedderite feldspar graphite Mineral tractions from Indarch. Norlh Wc~~ I-01 I c>l .md Yllmia were pt-epared...procedure for Indarch was followed. but the yield was unreasonably high (6 vs 0.6% for Indarch). SEM/EDX |  | | Journal (article/letter/editorial) | | identification has elucidated many aspects of meteorite formation. Of particular interest are five phosphate...calcium- and aluminum-rich silicates in the Allende meteorite, a Type 1II carbonaceous chondrite which fell...(Mason, 1962), when I wrote an account of the meteorite minerals then recognized, see Table 1, the list...Diamond Graphite 'Y-(Fe,Ni) Cu C C Sulfur Schreibersite S (Fe,NihP Cohenite (Fe,Ni)3 C *Osbornite...following: diamond, Anders and Lipschutz (1966); schreibersite, Reed (1965); cohenite, Brett (1967); silica |  | | Journal (article/letter/editorial) | | isotope fractionation metal silicate enstatite meteorite Bulk Silicate Earth Earth's core formation a...differentiation. They are the only primitive meteorite group with oxygen isotope compositions and metal-to-silicate...energies of reaction. The meteorites Abee and Indarch are classified as EH4 chondrites. Abee is a breccia...mineral abundances exist in different areas of the meteorite (total silicates ∼30 to 65 wt.%, total metal ∼20...(Rubin and Keil, 1983; Rubin and Scott, 1997). Indarch contains ∼18 wt.% metal (kamacite), ∼10 wt.% sulfides |  | | Journal (article/letter/editorial) | | 2 cm across, which sometimes contain minor schreibersite and perryite [2, 4–6]. Microprobe analy ses...Ni fraction con tained in other minerals (schreibersite, troilite, and per ryite) in enstatite chondrites...Au (Fig. 2a), because its concentrations in schreibersite and perryite in enstatite chondrites are lower...coefficients of the elements between certain meteorite components. In this particu lar instance, the...local variations in fO2 in the parent body of the meteorite [32, 33] have not any significantly modified the |  | | Journal (article/letter/editorial) | | 0016-7037/Ó 2018 Elsevier Ltd. All rights reserved. meteorite classes have been previously measured and the...cores of differentiated asteroid-sized bodies. The meteorite data indicates that these metallic cores have...Fe isotope compositions of several planets and meteorite groups exhibiting the variability among different...gray band corresponds to a specific pallasite meteorite. The studies attempt to measure the equilibrium...edges, though these inclusions are rare. Both schreibersite and perryite are frequently associated with |  | | Journal (article/letter/editorial) | | microscopist, Gustav Tschermak, and the outstanding meteorite collection of that day, the Vienna collection...meteorites. Table 1 traces the development of meteorite mineralogy over the following seventy years. It...extracted sulfur with alcohol from the Cold Bokkeveld meteorite, and later investigators extracted it from other...Copper Diamond Graphite Moissanite Cohenite *Schreibersite +Osbornite 'Iroilite *Oldhamite *Daubreelite...weathering. In 1955, therefore, to specializein meteorite mineralogy might well have beenconsideredthe refugeol |  | | Journal (article/letter/editorial) | | size, and chemical resistance from Qingzhen (E3), Indarch (E4), Abee and Saint Sauveur (E4-5), and Yilmia...during metamorphism. A carbon-rich fraction of Indarch (E4) is enhanced in Ne-A, CCF-Xe, and LXe. Interestingly...resemble those of C-chondrites, yet these two meteorite classes probably formed rather far apart. Thus...primordial gases of Qingzhen (E3) resemble those of Indarch: they are present in moderate amounts (20Ne, =...fine-grained minerals (cf: density separates of Indarch, Schaeffer ef al., 1965), and an HF/ HCl treatment |  | | Journal (article/letter/editorial) | | 451. Ascension Island, vlasovite, 233. Assisi, meteorite, description, mineralogy, 595. Astrophyllite,...The metallographic structure of the Kodaikanal meteorite, 687 ; The metallographic structure of 1190...see potassium-barium feldspars, 914. Barwell meteorite, anal., 101. Baryte, etching of, 750. Basalt,...and ganophyllite, 893; celsian, 914. Bencubbin meteorite, descr., descr, and anal. of enclaves in, bearing...formanite, topaz, rubellite, 50. Billygoat Donga meteorite, description, 694. Binnenthal, Valais, Switzerland |  | | Book (edition) | | Telargpalite brownish grey shades isotropic Schreibersite 36 trillings, polysynthetic Löllingite Niggliite...grey); Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Sachsen, Germany (sample: Seifert);...quartz (dark grey); New Bullfrog Mine, Bullfrog District, Nye Co., Nevada, USA (sample: Witzke); PPL If...placers Kaietur Falls, Potaro River, Kangaruma District, Potaro-Siparuni Region, Guyana Chalcopyrite,... Zone Breches N-S, 49-51 m, Bleida, Bou Azzer District, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ |  | | Journal (article/letter/editorial) | | impact melt) relative to the Shallowater reference meteorite (4562.3 ± 0.4 Ma, all errors are 1r). I–Xe ages...cooling. The enstatite chondrites Abee (EH4), Indarch (EH4), EET 96135 (EH4/5) and St. Marks (EH5) encompass...substantial variation even within an individual meteorite (e.g. Birck and Allégre, 1988; Wadhwa et al....53 Mn/55Mn-ratios in sulfides within individual meteorite specimens of EL 3 chondrites that are equivalent...relative Mn–Cr age difference between sulfide in Indarch and the more ancient Mn–Cr ages of the EL 3 meteorites |  | | Journal (article/letter/editorial) | | Plagioclase Quartz Roedderite Rudashevskyite Schreibersite Sinoite Smythite Sodalite Sphalerite Spinel...considerably larger than the other chondrules in the meteorite. (h) Backscattered electron (BSE) image of a chondrule...0.06 vol.% for refractory inclusions in that meteorite, which appears to have the highest abundance of... in association with Si-bearing kamacite ± schreibersite, ±perryite (Table 2). Some djerfisherite grains...of both types of zoning patterns in the same meteorite. El Goresy et al. (1988) noticed that niningerite |  | | Journal (article/letter/editorial) | | systematic relationship between carbon content and meteorite group or petrologic type. Wholerock 013C values...ofE-chondrites shows them to be unique amongst meteorite groups, with values close to those of the bulk...first 013C value for any E-chondrite (-12.9%0 in Indarch). Subsequent measurements on EH4's have yielded...heterogeneity in nitrogen distribution within a single meteorite has been demonstrated by THIEMENS and CLAYTON...relative to other nitrogen-bearing minerals in this meteorite. No nitrogen isotope determinations have been |  | | Journal (article/letter/editorial) | | Sahara 97158 and four objects from equilibrated EH4 Indarch. Bulk major element analyses, obtained with electron...abundances in the chondrules from Sahara 97158 and Indarch are within the range of previous analyses of nonporphyritic...superchondritic (Sahara 97158) and subchondritic (Indarch) Yb/Sc ratios; and chondriticnormalized deficits...volatile and volatile elements. In the equilibrated Indarch chondrules, this late process has been further...chondrule fragments in Sahara 97158 (EH3) and Indarch (EH4) chondrites. We explore whether the 1339 |  | | Journal (article/letter/editorial) | | The different chondrites and achondrites in our meteorite collections offer a wide range in possible oxidation...than Na, but a highly reduced and volatile free meteorite class has not yet been observed. Note also that...enstatite chondrites and aubrites but not with other meteorite groups (e.g., Clayton, 1993 and references therein)...indistinguishable from those in smaller differentiated meteorite parent bodies established under the same redox...temperatures in the Earth's interior than in a small meteorite parent body, so that the Earth's mantle silicate |  | | Journal (article/letter/editorial) | | meteorites making up not more than 0.1% of the whole meteorite and generally much less. In Table 5 the occurrences...nickel-iron, schreibersite, high albite, tridymite, oldhamite, organic matter, glass albite etc. Meteorite Name...Name Type Indarch enstatite chondrite E4 a KotaKota BIN~S and DAVIS enstatite chondrite in FtTC~s...thus, the highest possible load pressures of meteorite parent bodies. If one assumes the largest bodies...conditions m u s t have prevailed in m o s t meteorite materials. Therefore, the partial pressures of |  | | Journal (article/letter/editorial) | | •\ 2 *A single commonly list of the The meteorite classes present minerals of stony in stony...1987. Discovery of scapolite in the chondritic meteorite. Mineral. 1985. Phyllosilicates Mag., 51, 733-735...and Reed, S. J. B., 1969. Ringwoodite, Tenham meteorite. Nature, Brett, R., 1967. Cohenite:its natural...Keil, K., 1971. Chromite Cr3S4, in the Tucson meteorite. Amer. and ilmenite in non-chondritic meteorites...and Hyde, J. R., 1971. The Allende, Mexico, meteorite shower. Smithson. Contrib. Earth Sci., 5, 1-53 |
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