 | | Report (issue) | | c = 14.269(4) Z=2 X-ray Powder Pattern: Indarch meteorite; essentially identical with eifelite. 3.570...)Ā§=4:66 (Si 11:99 Al 0:01 )Ā§=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...carbon, tridymite, oldhamite, glass (Indarch meteorite). Distribution: In the Indarch, Witchita County...Bellerberg volcano, two km north of Mayen, Eifel district, Germany. Name: For Dr. Edwin Woods Roedder (1919{ |  | | Journal (article/letter/editorial) | | (People's Republic of China). Two fragments of the meteorite were recovered, weighing respectively 600 g and...mineral phases found in enstatite chondrites are oldhamite (CaS), niningerite (MgS), and K-sulfide djerfisherite... Table 1 Roedderite occurrences in meteorites Meteorite Type Paragenesis References Qingzhen EH3... tridymite, kamacite, troilite, niningerite, oldhamite This work and Rambaldi et al. (I 984b) Kota-Kota...graphite nodules of the Wichita County IA iron meteorite. Other coexisting phases are olivine (F099), plagioclase |  | 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...associated with clinoenstatite, kamacite, troilite, oldhamite, niningerite, schreibersite, and roedderite. Macroscopically...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) | | isotopic difference for the chondrules from the bulk meteorite are noted for both meteorites. INTRODUCTION 1979)...relationships, and isotopic systernatics between meteorite types provide important information on a variety...) tried to separate sulfide minerals such as oldhamite (CaS), alabandite (MnS), and troilite (FeS) from...pulverized bulk meteorite sample. This procedure was used only on a sample of Indarch, and two problems...Using the modified procedure, a second sample of Indarch was analyzed. A powdered sample was first separated |  | | Journal (article/letter/editorial) | | native copper,native gold, trollitc, pentlanditc,oldhamite,daubrā¢elite, chromite,magnetite,and timehire.The...detail in only a few stony meteorites,be- each meteorite individually, even though each causewith earlier...Dhurmsala Elm Creek Rolla, Kansas Rose City Roy Oldhamite, (Ca,Fe,Mn)8, is limited to meteorites that are...abundantin a few highly reduced meteorites (e.g., Indarch). Another mineral having an hexagonallayer structure...Hesston Vigarano Holbrook Homestead Hvittis Indarch Jelica Kaba Kandahar Waconda Walters Warrenton |  | | 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...fractionation of the solar gas by the removal of oldhamite, niningerite, and/or another phase prior to chondrule...volatile and volatile elements. In the equilibrated Indarch chondrules, this late process has been further |  | 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 ZakÅodzie meteorite Chi Ma,* John R. Beckett, and George R. Rossman...sinoite, ZakÅodzie meteorite, enstatite achondrite Introduction The ZakÅodzie 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 ZakÅodzie meteorite. Preliminary results are given in Ma et al. (2012)...University, for his many contributions to mineralogy, meteorite research, and transmission electron microscopy |  | | Journal (article/letter/editorial) | | components in clasts and separates of the Abee meteorite J o h n F. W a c k e r 1 and Kurt Marti 2 I Department...2,9 NM was found to contain < 2% FeNi metal. Oldhamite (CaS) was probably partially dissolved during...procedure. We were unable to determine the degree of oldhamite loss due to its low - 0.1% abundance in 2,2 [6]...in niningerite [(Mg,Fe)S], and, most likely, oldhamite. An aliquant, sample 2,2,9 CU, was taken for noble...correlation between the concentration of 4He and oldhamite. Clast 3,1 had the highest 4He concentration and |  | | Journal (article/letter/editorial) | | www.elsevier.com/locate/gca Melting of the Indarch meteorite (EH4 chondrite) at 1 GPa and variable oxygen...(HT) investigation of an enstatite chondrite (Indarch). Four series of experiments exploring various...pistonācylinder apparatus using the EH4 chondrite Indarch. We show that temperature and redox conditions...important eļ¬ects on the phase equilibria of the meteorite: the solidus and liquidus temperatures of the... which are the least Melting of the Indarch (EH4) meteorite at 1 GPa depleted in the highly volatile |  | | Journal (article/letter/editorial) | | alert to the potential discovery of a genuine meteorite from Mercury which, superļ¬cially, 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...classiļ¬ed as aubrites that are actually other meteorite types. Table 1 Ranges and average modal (vol%)...Na S Total Kamacite Schreibersite Troilite Oldhamite Daubreelite Ferroan alabandite Caswellsilverite |  | | 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 |  | Udry, Arya, Wilbur, ZoĆ« 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...such as troilite, niningerite, daubreelite, oldhamite, and caswellsilverite. The equigranular texture...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 |  | | Journal (article/letter/editorial) | | Melilite Millerite Nepheline Nierite Niningerite Oldhamite Osbornite Pentlandite Perovskite Perryite Plagioclase...red, plagioclase and plag-rich glass are blue, oldhamite is green, FeNi metal and troilite are black. In...is medium red and the brightest red is silica. Oldhamite is green but some of the green in chondrules is...Metal and sulļ¬de are blue. In part ļ¬gure (a), the oldhamite is mostly associated with metal-sulļ¬de nodules...considerably larger than the other chondrules in the meteorite. (h) Backscattered electron (BSE) image of a chondrule |  | | Journal (article/letter/editorial) | | studies of the type-I enstatlte chondrites Abee and Indarch and the intermediate-type Saint Mark's and Saint...Abee data scatter in the 87Rb-87Sr d~agram For Indarch, Saint Mark's and Saint Sauveur, we obtained welldefined...straight lanes of "age" (T) and "initial ratio" (/) Indarch, T = 4 393 +- 0 043 b y , I = 0 7005 +- 0 0009...0 047 b y , I = 0 6993 -+ 0 0014 Our result on Indarch agrees with the former result of Gopalan and Wetherill...from terrestrial weathering The "lsochrons" for Indarch and Saint Sauveur can be mixing hnes between enstatite |  | | 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...Cohenite *Schreibersite +Osbornite 'Iroilite *Oldhamite *Daubreelite +Lawrencite Magnesite Calcite Magnetite...weathering. In 1955, therefore, to specializein meteorite mineralogy might well have beenconsideredthe refugeol |  | | Journal (article/letter/editorial) | | systematic relationship between carbon content and meteorite group or petrologic type. Wholerock 013C values...constituents have also been identified, e.g. oldhamite (CaS), daubreelite (FeCr2S4), sinoite (ShN20)...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 |  | | Journal (article/letter/editorial) | | impact melt) relative to the Shallowater reference meteorite (4562.3 Ā± 0.4 Ma, all errors are 1r). IāXe 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 AlleĢgre, 1988; Wadhwa et al....53 Mn/55Mn-ratios in sulļ¬des within individual meteorite specimens of EL 3 chondrites that are equivalent...relative MnāCr age diļ¬erence between sulļ¬de in Indarch and the more ancient MnāCr ages of the EL 3 meteorites |  | Steenstra, E.S., Trautner, V.T., Berndt, J., Klemme, S., van Westrenen, W. (2020) Trace element partitioning between sulfide-, metal- and silicate melts at highly reduced conditions: Insights into the distribution of volatile elements during core formation in reduced bodies. Icarus, 335. 113408pp. doi:10.1016/j.icarus.2019.113408 | Journal (article/letter/editorial) | | in run products of melting experiments on the Indarch EH4 chondrite (McCoy et al., 1999). In most experiments...abundance analyses are the aubrite achondrites, a meteorite suite that is thought to have been derived from...and to a lesser extent Fe-S liquid. Given that oldhamite, alabandite, troilite and other sulfides are important...2012) as well as in troilite, alabandite and oldhamite minerals in the PeƱa Blanca Spring aubrite (Lodders...considerable debate about whether the Ca-rich oldhamite mineral phases in aubrites are of primary origin |  | | Journal (article/letter/editorial) | | conditions as well as to relationships among meteorite classes. Previous studies of noble gases in E-chondrites...Danielā& Kuil. St Sauveur. and Happy Canyon and the Indarch residue HF were measured on a 4-l ā2ā-radmh glabb...OF E-CHONDRITE MINFRALS Mineralā lawroncite oldhamite troilite niningerite alabondite sphalerite djerfisherite...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 |  | Hopp, Jens, Trieloff, Mario, Ott, Uli, Korochantseva, Ekaterina V., Buykin, Alexey I. (2014) 39Ar-40Ar chronology of the enstatite chondrite parent bodies. Meteoritics & Planetary Science, 49 (3) 358-372 doi:10.1111/maps.12243 | Journal (article/letter/editorial) | | reactions within the EH group exemplified in the meteorite Qingzhen led to Ā© The Meteoritical Society, 2014...EH chondrites Sahara 97096 (EH3, split 1233/2), Indarch (EH4, split 436/1), EET 96135 (EH4/5, split 18)...meteorites were obtained from the Meteorite Working Group. Neuschwanstein, Indarch, and Sahara 97096 were obtained...obtained from the meteorite collection of the Senckenberg Museum, Frankfurt, Germany. The meteorites differ...EH chondrites have reported shock stages of S3 (Indarch, Rubin et al. 1997), S2 (EET 96135, Izawa et al |  | | Journal (article/letter/editorial) | | partial melting experiments at low fO2 on the Indarch enstatite chondrite (McCoy et al., 1999; Berthet...Mg and S suggests the potential occurrence of oldhamite (CaS) and niningerite (MgS) or a solid solution...ambient pressure 53 and reduced conditions on the Indarch enstatite chondrite by McCoy et al. (1999) are...compositional groups. The occurrence of pure oldhamite (CaS) at the surface would explain the composition...Malavergne, V., Righter, K., 2009. Melting of the Indarch meteorite (EH4 chondrite) at 1 GPa and variable oxygen |  | | Book (edition) | | strong, grey shades isotropic Bismutotantalite Oldhamite Spinel Valentinite Foordite Smithsonite Sussexite...grey); HimmelsfĆ¼rst 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-DraĆ¢ |  | | 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...Dodd (1971) 1. Originally reported in the Abee meteorite by Dawson et al. (1960), but later identified...Name Table 2 (Continued) Practically all the meteorite minerals recognized during the past ten years |  | Namur, Olivier, Charlier, Bernard, Holtz, Francois, Cartier, Camille, McCammon, Catherine (2016) Sulfur solubility in reduced mafic silicate melts: Implications for the speciation and distribution of sulfur on Mercury. Earth and Planetary Science Letters, 448. 102-114 doi:10.1016/j.epsl.2016.05.024 | Journal (article/letter/editorial) | | we used the silicate composition of the Indarch meteorite (McCoy et al., 1999; Berthet et al., 2009)...appears. Similar peak positions were identiļ¬ed in oldhamite (CaS) and niningerite ((Mg,Fe)S; Avril et al....Malavergne, V., Righter, K., 2009. Melting of the Indarch meteorite (EH4 chondrite) at 1 GPa and variable oxygen...of meteorites: a compilation of stony and iron meteorite analyses. Meteoritics 25, 323ā337. Javoy, M.,...Lofgren, G.E., 1999. Partial melting of the Indarch (EH4) meteorite: a textural, chemical, and phase relations |  | | Journal (article/letter/editorial) | | 8.7) and anomalous release it at -850Ā°C (bulk meteorite) or 1000Ā°C (residue). Mineral Q. containing most...and a residue (1CS) left after treatment of the meteorite with HCl-HF, whereas Q is represented by the difference...a small ( -0.5%) residue left behind when the meteorite is dissolved in HCl-HF (SRINIVASANet al., 1975;...GROS and ANDERS, 1977), comprising 0.04% of the meteorite. The remaining noble gases, of generally anomalous...on the E4 chondrite Abee. Like Allende, this meteorite has a high i29Xeiā3āXe ratio (5.8 vs 1.81. much |
|
