 | Liu, Chao, Hystad, Grethe, Golden, Joshua J., Hummer, Daniel R., Downs, Robert T., Morrison, Shaunna M., Ralph, Jolyon P., Hazen, Robert M. (2017) Chromium mineral ecology. American Mineralogist, 102 (3) 612-619 doi:10.2138/am-2017-5900 | Journal (article/letter/editorial) | | Mine; El Khun Mine), Anarak District, Nain County (Nayin County), Esfahan Province (Isfahan Province; Aspadana...(Valais), Switzerland 39 Weathered Norton County meteorite, Norton Co., Kansas, U.S.A. Notes: Listed...Cr minerals are chemically more complex than meteorite species (an average of 4.5 vs. 3.0 essential elements...essential elements per species). Compared to meteorite species, proportionally fewer terrestrial species...terrestrial species contain H, Table 2a. IMA recognized meteorite minerals of chromium, with numbers of recorded |  | | Journal (article/letter/editorial) | | of the stable xenon isotopes in the Richardton meteorite and in the earthās atmosphere, KZāRODA (1900)...fissiogenic xenon and reported that the Mnrray meteorite is deJicien.t in X+ā. He estimated that about...tIlis confusion. The XeleQ/Xelso ratio in the Murray meteorite is identical to the ratio in the earthās atmosphere...in the Murray meteorite. It follows then. that the Xe1a9/Xe132 ratio in the Murray meteorite is about...earthās atmosphere is identical to tāhat in t.he Murray meteorite. REYNOLDS (196Ob), on the other hand, concluded |  | | Journal (article/letter/editorial) | | METEORITE-SECTIONING EQUIPMENT A T T H E INSTITUTE OF METEORITICS LINCOLN LAPAZ Institute of Meteoritics...sections cut from the 590-lb. core of the Lake Murray, Oklahoma, siderite with this equipment, are included...āMany laboratories are equipped with either a diamond saw or a thin carborundum wheel for cutting small...referring to the main mass of the Sardis, Georgia, meteorite, weighing 1740 lbs., writes: 1 āAs it is too heavy...depth the unfractured meteorite has been altered.ā Since search with modern meteorite detectors is recovering |  | | Journal (article/letter/editorial) | | is not due to a;~ inherent difference in the meteorite source populations, but is rather a result of...BINNS, 1989a,b) and the Roosevelt County region of New Mexico, USA (SCOTT et al., 1986), have started...techniques used for storage of the Antarctic meteorite collections and indeed may have been vulnerable...not affecting elemental C, is unsuitable for meteorite groups which contain indigenous carbonate minerals...Poorly-crystalline T > 7OOāC elemental carbon Graphite Diamond Carbides alyzed. Total C data were acquired by |  | | Journal (article/letter/editorial) | | meteorites: I. Isolation of Sic, graphite, and diamond; size distributions of Sic and graphite SACHIKOAMARI... University of Chicago, Chicago, IL 60637-1433, USA (Received July 11, 199 1; accepted in revised form...r70%, and is here applied to the Murchison C2M meteorite. Silicates are dissolved in HF-HCl, kerogen (macromolecular...log-normal distribution, and so does interstellar diamond (LEWIS et al., 1989). Apparently the primary condensation...graphite [ Ccu,carrier of Ne-E( L)], in addition to diamond and SIC. It also reports some properties of the |  | | Journal (article/letter/editorial) | | S.A. Aliphatic hydrocarbons of the Murchison meteorite* JOHN R.CRQNIN and SANDRA PIZZARELLO Department...and Center for Meteorite Studies, Arizona State University, Tempe, AZ 8X287-1604,USA (Received February...terrestrial contamination. The fall of the Murchison meteorite (CM2) provided pristine samples which allowed...principal aliphatic components of the Murchison meteorite to be a structurally diverse suite of Cl5 to C30...alkanes. Comparative analyses were carried out on the Murray (CM2), Allende (CV3), and New Concord (L6) chondrites |  | | Journal (article/letter/editorial) | | Arizona State University, Tempe, AZ 85287-1404, USA Department of Chemistry and Biochemistry, Arizona...Arizona State University, Tempe, AZ 85287-1604, USA Received 3 October 2003; received in revised form 5 April...C. Of particular interest is the Tagish Lake meteorite because of its pristine nature and up to 5.8 wt...reported unusual nanospheres in the Tagish Lake meteorite [15]. These reports motivated us to reexamine...and Murray CM meteorites. Samples were prepared by gentle disaggregation of a piece of meteorite and |  | Nicolussi, G.K., Pellin, M.J., Lewis, R.S., Davis, A.M., Amari, S., Clayton, R.N. (1998) Molybdenum Isotopic Composition of Individual Presolar Silicon Carbide Grains from the Murchison Meteorite. Geochimica et Cosmochimica Acta, 62 (6) 1093-1104 doi:10.1016/s0016-7037(98)00038-6 | Journal (article/letter/editorial) | | Copyright Ā© 1998 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/98 $19.00 1 .00 Pergamon...presolar silicon carbide grains from the Murchison meteorite G. K. NICOLUSSI,1,2* M. J. PELLIN,2 R. S. LEWIS...University of Chicago, Chicago, Illinois 60637, USA Materials Science and Chemistry Divisions, Argonne...Illinois 60439, USA 3 Department of Chemistry, University of Chicago, Chicago, Illinois 60637, USA 4 Department...University of Chicago, Chicago, Illinois 60637, USA 5 McDonnell Center for the Space Sciences, Washington |  | | Journal (article/letter/editorial) | | reported mass spectrometric evidence for alcohols in Murray but no individual compound identification, and...crust-free fragments were crushed in a pre-cleaned diamond mortar and ground to a fine powder in a *Present...addressed. tContribution No. 104 from the Center for Meteorite Studies. Meteoritics, Vol. II, No.3, September...used as a procedural blank. An interior piece of Murray, weighing 3.59g, was also used for some of the...permanganate, was added in the ratio of 2-3 ml per g of meteorite. The ampoule was attached to a vacuum line and |  | | Journal (article/letter/editorial) | | 1988) Abstract-Data on gas-richseparatesfrom the Murray and Murcbison C2 chondrites are reviewed, in order...chemical but low thermal resistance (amorphous diamond?); they are present in Cl, 2 and unmetamorphosed...has been found in the rl300ā fractions of several Murray separates; its carrier is colloidal and resistant...mineral. A coarse (>2 pm) spine1 fraction horn Murray contains fissiogenic Xe matching that from PuzM...corresponds to an original (Cm24*/Pu2ā), zz 1.7 X 10s3. Murray CJ, a sample strongly enriched in Ne-E(H) and its |  | Zinner, Ernst, Amari, Sachiko, Guinness, Robert, Nguyen, Ann, Stadermann, Frank J., Walker, Robert M., Lewis, Roy S. (2003) Presolar spinel grains from the Murray and Murchison carbonaceous chondrites. Geochimica et Cosmochimica Acta, 67 (24) 5083-5095 doi:10.1016/s0016-7037(03)00261-8 | Journal (article/letter/editorial) | | 2003 Copyright Ā© 2003 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/03 $30.00 ā«¹ .00 Pergamon...1016/S0016-7037(03)00261-8 Presolar spinel grains from the Murray and Murchison carbonaceous chondrites ERNST ZINNER...63130, USA 2 Enrico Fermi Institute, University of Chicago, 5630 Ellis Avenue, Chicago, IL 60637, USA (Received...carbonaceous meteorites, Murray and Murchison. Among 628 grains from Murray separate CF (mean diameter...presolar corundum grains, among 753 grains from Murray separate CG (mean diameter 0.45 ā®m) 9 presolar |  | | Journal (article/letter/editorial) | | 1994. Printed in USA. Alteration of calcium- and aluminium-rich inclusions in the Murray (CM2) carbonaceous...(CAIs) have been identified in the CM2 chondrite Murray, three of which contain alteration products. Two...common with the other types of altered CAIs in Murray, MCA-1 is inferred to have experienced its main...remaid. * It is the aim of this paper to describe Murray CAIs, with emphasis on their alteration products...within which alteration may have taken place. Most Murray CAIs have a secondary mineral assemblage that is |  | | Journal (article/letter/editorial) | | and were being released during graphitization. A diamond synthesized under hydrostatic pressure was found...cleaning the du Pont samples are not known. The diamond synthesized under hydrostatic pressure was provided...provided by Sumitomo Electric Industries, Ltd. This diamond, a large, single crystal of 7 1.8mg, had been synthesized...study of the early history of our solar system. Diamond is one of the noble gas carriers in ureilites,...comparison, the 40Ar abundance for the vaporgrowth diamond sample with the highest abundance from a previous |  | | Journal (article/letter/editorial) | | Los Angeles, Los Angeles, California 90095ā1567, USA E-mail: kdm@ess.ucla.edu It is a rare privilege...1045 Ā© The Meteoritical Society, 2007. Printed in USA. 1046 K. D. McKeegan his green card, he received...CAIs and hibonites Short-lived radionuclides Meteorite isotope studies Stardust and nucleosynthesis Reviews...grains in an acid residue from the Murchison meteorite that Jongmann Yang and Sam Epstein had shown to...powder diffraction characteristic of nanoscale diamond. Needing further characterization of this exotic |  | | Journal (article/letter/editorial) | | Ne, Xe, and C in meteorites. II. Interstellar diamond and Sic: Carriers of exotic noble gases TANG MINGā...noble gases, we isolated 15 separates from the Murray C2 chondrite on the basis of grain size and chemical...spectrometry for Ne and Xe. The abundant (570 ppm) Cb diamond, carrier of Xe-HL and Ne-A 1,2, was efficiently...Ne-E(H). The data obtained thus far show that both diamond (C6) and amorphous carbon (Cq Ce) occur as interstellar...carriers of isotopically anomalous noble gases in the Murray and Murchison C2 chondrites. The separation methods-mainly |  | | Book | | obtain a panorama of the scope and substance of meteorite research. I endeavored to remedy this situation...not exhaustively discussedāthe great upsurge in meteorite research along many new lines in recent years...and conservation of meteoritic material. Every meteorite is to some degree unique; and meteorites, unlike...I not been favored bv the curatorship of the meteorite collection of The American Museum of Natural History...Chicago Natural History Museum, the Nininger Meteorite Collection (Arizona State University, Tempe), |  | Merchel, Silke, Ott, Ulrich, Herrmann, Siegfried, Spettel, Bernhard, Faestermann, Thomas, Knie, Klaus, Korschinek, Gunther, Rugel, Georg, Wallner, Anton (2003) Presolar nanodiamonds: faster, cleaner, and limits on platinum-HL. Geochimica et Cosmochimica Acta, 67 (24) 4949-4960 doi:10.1016/s0016-7037(03)00421-6 | Journal (article/letter/editorial) | | 2003 Copyright Ā© 2003 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/03 $30.00 ā«¹ .00 Pergamon...standard procedures (e.g., Ir) are lower in the diamond residues prepared using the new technique. Accelerator...for isotopic measurements. Results obtained on diamond fractions from Allende and Murchison show the need...1994), occur only one atom per a million or so of diamond grains. This low abundance also makes it difficult...efficiency of the process by which to recover diamond samples. Most severe is contamination in the case |  | Hoppe, Peter, Geiss, Johannes, BĆ¼hler, Fritz, Neuenschwander, JĆ¼rg, Amari, Sachiko, Lewis, Roy S. (1993) Fingerprints of carbon, nitrogen, and silicon isotopes in small interstellar SiC grains from the murchison meteorite. Geochimica et Cosmochimica Acta, 57 (16) 4059-4068 doi:10.1016/0016-7037(93)90353-x | Journal (article/letter/editorial) | | small interstellar Sic grains from the Murchison meteorite PETER HOWE,ā JOHANNES GEISS,ā FRITZ BOHLER,ā... University of Chicago, Chicago, IL 60637-1433, USA (Received September 9, 1992; accepted in revised... One Brookings Drive, St. Louis, MO 63 I304899, USA. 4059 P. Hoppe et al. 4060 samples, which in...elemental carbon (of which -3 wt% could be Cb (diamond)), and - I wt% other minerals. Ion Microprobe Analyses...meteorites. I. Isolation of Sic, graphite, and diamond, size distributions of Sic and graphite. Geochim |  | Daulton, T.L., Bernatowicz, T.J., Lewis, R.S., Messenger, S., Stadermann, F.J., Amari, S. (2003) Polytype distribution of circumstellar silicon carbide. Geochimica et Cosmochimica Acta, 67 (24) 4743-4767 doi:10.1016/s0016-7037(03)00272-2 | Journal (article/letter/editorial) | | 2003 Copyright Ā© 2003 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/03 $30.00 ā«¹ .00 Pergamon...Argonne National Laboratory, Argonne IL, 60439-4838, USA Marine Geosciences Division, Naval Research Laboratory...Laboratory, Stennis Space Center, MS 39529-5004, USA 3 Laboratory for Space Sciences and Department of Physics...63130-4899, USA 4 Enrico Fermi Institute, University of Chicago, Chicago, IL 60637-1433, USA 2 (Received...presolar SiC from the Murchison CM2 carbonaceous meteorite using analytical and high-resolution transmission |  | Liu, Nan, Steele, Andrew, Nittler, Larry R., Stroud, Rhonda M., De Gregorio, Bradley T., Alexander, Conel M. O'D., Wang, Jianhua (2017) Coordinated EDX and micro-Raman analysis of presolar silicon carbide: A novel, nondestructive method to identify rare subgroup SiC. Meteoritics & Planetary Science, 52 (12) 2550-2569 doi:10.1111/maps.12954 | Journal (article/letter/editorial) | | 20015, USA 2 Geophysical Laboratory, Carnegie Institution for Science, Washington, DC 20015, USA 3 Materials...Research Laboratory, Washington, DC 20375ā5320, USA * Corresponding author. E-mail: nliu@carnegiescience...isotopic compositions, including carbon-rich phases (diamond, graphite, silicon carbide [SiC], graphene, and...of 400 nm in an acid residue of the Murchison meteorite, they found that cubic SiC (3C-SiC) was the dominant...extracted from a ~63 g sample of the Murchison CM2 meteorite by following the CsF-based isolation method described |  | | Journal (article/letter/editorial) | | (1995) Ā© Meteoritical Society, 1995. Printed in USA. Interstellar graphite in meteorites: Isotopic compositions...University, 1 BrookingsDrive, S1. Louis, Missouri 63130, USA 2Departmentof Earth and Planetary Sciences,WashingtonUniversity..., 1 Brookings Drive, S1. Louis, Missouri 63130, USA 3Enrico Fermi Institute, University of Chicago, 5630...5630 Ellis Ave., Chicago, illinois 60637, USA (Received 1994 July 5; accepted in revisedform 1995 January...grains. These carbonaceous interstellar grains are diamond (Lewis et aI., 1987), silicon carbide (Tang and |  | | Journal (article/letter/editorial) | | California Institute of Technology, Pasadena, CA 91125, USA Received May 5, 1991; revision accepted September...petrologic grade and degree of oxidation of the host meteorite on the abundance, physical properties and isotopic...NeE(H) and the inferred abundance of SiC in this meteorite [31]. It is possible that the anomalous Ne and...in the < 0.1 /zm fraction of the SiC in this meteorite, or that some of the finer grained SiC was lost...reported previously for SiC from Murchison and Murray [4,5,23,32]. The most distinctive feature of the |  | | Journal (article/letter/editorial) | | 1993. Printed in USA. Invited Review Interstellar Grains in Primitive Meteorites: Diamond, Silicon Carbide...Institute of Technology, Pasadena, California 91125, USA tPresent address: Hint. Engehaldenstr. 12/20, 3004...Washington University, St. Louis, Missouri 63130-4899, USA *To whom correspondence should be addressed (Received...Introduction Overview Isolation Diamond Properties Isotopicdata Howmanykindsof diamond? Formationof diamonds Impregnation...permitting them to be isolated by dissolving the meteorite in acids (Lewis et al., 1975, 1987; Tang and Anders |  | | Journal (article/letter/editorial) | | analogous to that which will be threatening future meteorite falls and the samples returned from spaceflight...Elsevier Science B.V. All rights reserved. Keywords: Meteorite; Carbon; Organic; Alkanes; Contamination; Isotopes...contamination in meteorite samples is essential, both to protecting future meteorite falls from similar...the relationship between the n-alkanes Table 1 Meteorite samples subjected to SFE, GCāMS and irmāGCā MSa...1.89 1.80 2.17 1.72 a An explanation of the meteorite classification system can be found in Sears and |  | | Journal (article/letter/editorial) | | Washington University, St. Louis, 31[o. 63130 (USA) Received June 21, 1977 Revised version received...the minor mineral phase chromite in the Allende meteorite. Although this mineral is a possible carrier of...meeting in 1975 focussed special attention on the meteorite Allende as a promising object for the search....residue representing only 0.5% by weight o f the meteorite. Oxidizing experiments on these residues remove...electron-bombarded sample of an acid residue of the Allende meteorite; and (b) an electron-bombarded crystal of chromite |
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