 | | Journal (article/letter/editorial) | | hibonites from Murchison carbonaceous chondrite R.S. Rajan * and A.S. Tamhane ** Department of Terrestrial...Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, N.W., Washington, DC 20015...technique for revealing nuclear tracks in the mineral hibonite (CaAII2OI9), found in the refractory inclusions...carbonaceous chondrites. The tracks in hibonites from Murchison carbonaceous chondrite are dominated by fission...fission tracks from 244pu (constituting more than 90% of the total). The measured uranium contents in these |  | | Journal (article/letter/editorial) | | anomalies in the Murchison meteorite T.M. Esat ~ and T.R. Ireland 2 J Research School of Earth Sciences...National Unit,ers'iO', Canberra. A C T 2601 (Australia) : McDonnell Center for the Space Sciences and...The abundances of chromium isotopes, in refractory inclusions from the Allende meteorite, show wide-spread...Individual Cr-rich pink spinels, from the Murchison meteorite, exhibit large and variable excesses in 53Cr...(6(~3Cr/52Cr)= 3.2 + 0.6%~). Magnesium isotopes, in Murchison Cr-poor blue spinels, also show variable anomalies |  | MacPherson, Glenn J., Bar-Matthews, Miryam, Tanaka, Tsuyoshi, Olsen, Edward, Lawrence, Grossman (1983) Refractory inclusions in the Murchison meteorite. Geochimica et Cosmochimica Acta, 47 (4) 823-839 doi:10.1016/0016-7037(83)90116-3 | Journal (article/letter/editorial) | | in U.S.A. Refractory inclusions in the Murchison meteorite GLENN J. MACPHERSON,MIRYAM BAR-MATHEWSâ,...OLSENâand LAWRENCEGROSSMAN Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue...petrographic studies of a wide variety of refractory objects from the Murchison C2 chondrite have revealed...melilite-rich and feldspathoid-bearing inclusions in this meteorite, but none 6f these is identical to any inclusion...inclusion yet found in Allende. Blue spinel-hibonite spherules have textures indicating that they were once |  | | Journal (article/letter/editorial) | | Trace-element abundances in hibonites from the Murchison carbonaceous chondrite: Constraints on high-temperature...School of Earth Sciences, The Australian National University, Canberra, ACT 260 1, Australia (Received...revisedform September 16, 1988) Abstract-Abundances of trace elements, including 14 rare earth elements...hibonito and 3 perovskite-bearing grains from the Murchison carbonaceous chondrite. The normalized abundance...morphological and chemical groups of hibonites. Sixteen platy hibonite crystals (PLACs)typically have patterns |  | | Report (issue) | | Mineral-Chemistry, and Composition of the Murchison (C2) Meteorite LOUIS H. FUCHS, EDWARD OLSEN, and...PUBLICATIONS OF THE SMITHSONIAN INSTITUTION The emphasis upon publications as a means of diffusing knowledge...knowledge was expressed by the first Secretary of the Smithsonian Institution. In his formal plan for the...publish a series of reports, giving an account of the new discoveries in science, and of the changes made...made from year to year in all branches of knowledge.â This keynote of basic research has been adhered to |  | | Journal (article/letter/editorial) | | mineraiogy and petrogenesis of a hibonite inclusion from the Murchison meteorite* JOHN T. ARMSTRONG,G. P...LunaticAsylum,Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena...and petrologic study of the Blue Angel, a relatively large (- 1.5 mm) hibonite-containing inclusion from...from the Murchison meteorite, was performed in an attempt to understand the mechanisms of formation and...modification of hibonite-rich inclusions. The Blue Angel inclusion is composed of roughly equal amounts of hibonite |  | | Journal (article/letter/editorial) | | The Netherlands 161 The color of meteoritic hibonite: an indicator of oxygen fugacity Phillip D. Ihinger...California 9. 1985; revised Institute version of Technology, received February Pasadena, CA 91125...up to air. The development of the blue color is correlated with the growth of an absorption band at 715...the optical spectra of the hibonites as the oxygen fugacity is reduced. The growth of this band is attributed...attributed to the increasing concentration of Ti3+ in these hibonites with decreasing oxygen fugacity. The |  | | Journal (article/letter/editorial) | | the Murchison meteorite STEVEN B. SIMON1*ANDREW M. DAVIS2 AND LAWRENCE GROSS MAN^.^ âDepartment of the...the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, Illinois 60637, USA...USA *Enrico Fermi Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA...Abstract-Through freeze-thaw disaggregation of the Murchison meteorite, we have recovered a refractory inclusion...unique in terms of its texture, mineral compositions, and bulk composition. It consists of anhedral, Y-rich |  | | Journal (article/letter/editorial) | | characteristics of hibonites from the Murchison carbonaceous chondrite TREVORR. IRELAND ResearchSchool of EarthSciences...Australian National University, Canberra, ACT 260 1, Australia and Physics Department and McDonnell Center for...from the Murchison carbonaceous chondrite have been identified from polished grain-mounts of density separates...clinopyroxene rims. The maximum Ti02 concentrations of hibonite in the SHIBs ranges from 3.5 to 7.6%, but the...was heterogeneous and ranged from 0.5% to 5.0%. Hibonite in all types is stoichiometric with Ti and MR |  | | Journal (article/letter/editorial) | | Machiite, Al2Ti3O9, a new oxide mineral from the Murchison carbonaceous chondrite: A new ultra-refractory...Rossman2 1 Hawaiâi Institute of Geophysics and Planetology, University of Hawaiâi at MÄnoa, Honolulu,...96822, U.S.A. Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena...in a matrix of the Murchison CM2 carbonaceous chondrite. The mean chemical composition of holotype machiite...empirical formula (based on 4+ 4+ 9 oxygen atoms pfu) of (Al1.17Sc0.56Y0.10Ti0.08 Fe0.06Ca0.03Mg0.01)(Ti2 |  | | Journal (article/letter/editorial) | | U.S.A. An ion microprobe study of corundum in the Murchison meteorite: Implications for 26A1and 160 in...Enrico Fermi Institute and Department of Chemistry, University of Chicago, Chicago, IL 60637-1433, USA...1) Abstract-Twenty-six A1203 grains from the Murchison CM2 chondrite have been analyzed by ion microprobe...mass spectrometry for the isotopes of 0, Mg, and Ti and the abundances of Mg, Ca, SC, Ti, V, Sr, Y, Zr, La...matter, A1203 retains a particularly durable record of the early solar system. 26Mg/24Mg ranges up to 56X |  | | Journal (article/letter/editorial) | | This article was downloaded by: [University of Glasgow] On: 28 March 2013, At: 23:55 Publisher: Taylor...Systematics of Refractory Inclusions a Trevor R. Ireland & Bruce Fegley Jr. b a Department of Geological...Deptartment of Earth and Planetary Sciences , Washington University, St. Louis, Missouri, 63130 Version of record...The Solar System's Earliest Chemistry: Systematics of Refractory Inclusions, International Geology Review...SCROLL DOWN FOR ARTICLE Full terms and conditions of use: http://www.tandfonline.com/page/terms-and-conditions |  | | Journal (article/letter/editorial) | | Multiple generations of hibonite in spinel-hibonite inclusions from Murchison STEVEN B. SIMON'*, LAWRENCE...ANDREWM. DAVIS? 'Department of the Geophysical Sciences, The University of Chicago, 5734 S. Ellis Avenue...60637, USA 2Enrico Fermi Institute, The University of Chicago, 5640 S. Ellis Avenue, Chicago, Illinois...disaggregation of the Murchison meteorite, we have recovered, in addition to many spinel-hibonite spherules...spherules, several hibonite-rich inclusion fragments in which the hibonite has wider ranges in Ti02 contents |  | Kimura, Makoto, Goresy, Armed El, Palme, Herbert, Zinner, Ernst (1993) Ca-,Al-rich inclusions in the unique chondrite ALH85085: Petrology, chemistry and isotopic compositions. Geochimica et Cosmochimica Acta, 57 (10) 2329-2359 doi:10.1016/0016-7037(93)90573-f | Journal (article/letter/editorial) | | (CAIs) that differ from CAIs found in other types of meteorites. The ALH85085 inclusions are smaller (...chondrites. We have performed a comprehensive study of these inc!uions: forty-two for petrography and mineralogy...mineralogy of the CAIs is dominated by oxide phases. About half of the inclusions contain either hibonite (hib)...others are reminiscent of recrystallization due to thermal processing. Many of the CAIs are coated with...with a double layer of gehlenitic melilite and diopside or a single layer of diopside. The CAIs analyzed |  | | Journal (article/letter/editorial) | | Meteoritical Society, 1994. Printed in USA. Alteration of calcium- and aluminium-rich inclusions in the Murray...GREENWOOD^ 1Department of Physics, University of Essex, Colchester CO4 3SQ, U.K. 2Department of Mineralogy, The...K *Present address: Department of Geology and Geophysics, University of Edinburgh, West Mains Road, Edinburgh...revisedform 1994 June 13) Abstract-Four different types of calcium- and aluminium-rich inclusions (CAIs) have...CM2 chondrite Murray, three of which contain alteration products. Two types of altered CAIs, spinel inclusions |  | | Journal (article/letter/editorial) | | hibonites from the Murchison carbonaceous chondrite T.R. IRELAND, W. COMPSTON Research School of Earth Sciences...University, Canberra ACT 260 I. Australia and H. R. HEYDEGGER* Department of Chemistry and Physics, Purdue...46323 U.S.A. and Enrico Fermi Institute, University of Chicago, Chicago. IL 60637 U.S.A. (Received d4u.v27...compositions of titanium in eight grains of hibonite fCaAl,20,9) from the carbonaceous chondrite Murchison have...measurements by FAHEYet al. (1985) of a 100 permil excess of âri in a hibonite grain from the carbonaceous chondrite |  | | Journal (article/letter/editorial) | | http://www.uark.edu/meteor U.-. A hibonite-corundum inclusion from Murchison: A first-generation condensate... D. McKEEGAN3 IDepartment of the Geophysical Sciences, The University of Chicago, 5734 South Ellis Avenue...University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA 3Department of Earth and...and Space Sciences, University of California, Los Angeles, California 90095, USA *Correspondence author's...Abstract-Through freeze-thaw disaggregation of the Murchison (CM) carbonaceous chondrite, we have recovered |  | | Journal (issue) | | Granite State Geologist The Newsletter of the Geological Society of New Hampshire, Winter Edition â December...Editor Wayne Ives - Wayne.Ives@des.nh.gov Page 1 of 19 Website: http://www.gsnh.org/ In this issue:...problem? â What is your Board doing? â 50th anniversary of Earthrise photo â Upcoming Events and much more!...the Massachusetts Geological Society. There is talk of them co-hosting a joint meeting in January with the...a very respectable threevolume set of Hitchcockâs The Geology of New Hampshire. Unfortunately, the Society |  | | Journal (article/letter/editorial) | | MSA Centennial Symposium An evolutionary system of mineralogy. Part I: Stellar mineralogy (>13 to 4...Minerals preserve records of the physical, chemical, and biological histories of their origins and subsequent...vivid narrative of the evolution of Earth and other worlds through billions of years of cosmic history...properties, including trace and minor elements, ratios of isotopes, solid and fluid inclusions, external morphologies...represent information that points to specific modes of formation and subsequent environmental historiesâinformation |  | | Journal (article/letter/editorial) | | Enrico Fermi Institute and Dept. of Geophysical Sciences, University of Chicago, Chicago, IL 60637, USA...and magnesium isotopic compositions of hibonites from the Murchison (CM) and Allende (CV) meteorites are...for possible presence of the short-lived nuclides 41Ca and 26Al at the time of their formation. Abundance...determined to infer a plausible formation environment of the hibonites in the early solar system. The results...distribution of the short-lived nuclide 41Ca in the early solar system. Observation of correlated presence |  | | Journal (article/letter/editorial) | | reserved $6.00 + .OO refractory spherule from Murchison: Evidence for very high-temperature melting in...DAVIS~ âDepartment of the Geophysical Sciences, 5734 South Ellis Avenue, The University of Chicago, Chicago...Institute, 5640 South Ellis Avenue, The University of Chicago, Chicago, IL 60637, USA (Received J14l.v2...recovered a unique refractory spherule, B6, from the Murchison C2 chondrite. Approximately 170 pm in diameter...outer rim sequence, from outermost to innermost, of aluminous diopside ( 10 Frn thick), anorthite (3 |  | | Journal (article/letter/editorial) | | Petrography and mineral chemistry of the anhydrous component of the Tagish Lake carbonaceous chondrite...1Department 2The of the Geophysical Sciences, 5734 South Ellis Avenue, The University of Chicago, Chicago...Institute, 5640 South Ellis Avenue, The University of Chicago, Chicago, Illinois 60637, USA *Corresponding...accepted 16 January 2003) AbstractâMost studies of Tagish Lake have considered features that were either...extensive hydrous alteration experienced by this meteorite. This has led to some ambiguity as to whether |  | | Journal (article/letter/editorial) | | 0016-7037(94)00254-l Hibonite-hercynite inclusion HH-1 from the LancC (C03) The history of an ultrarefractory...ultrarefractory CA1 meteorite: ALBERT J. FAHEY,â* ERNST ZINNER,â GERO KURAT,â and ALFRED KRACHER~ âMcDonnell Center...Vienna, Austria âDepartment of Earth Sciences, Iowa State University of Science and Technology, Ames...isotopic compositions of a hibonite-rich refractory inclusion from the Lance CO3 meteorite. The inclusion,... 290 X 230 pm in size, consists of a core of hibonite crystals containing small perovskite grains, surrounded |  | Kööp, Levke, Davis, Andrew M., Krot, Alexander N., Nagashima, Kazuhide, Simon, Steven B. (2018) Calcium and titanium isotopes in refractory inclusions from CM, CO, and CR chondrites. Earth and Planetary Science Letters, 489. 179-190 doi:10.1016/j.epsl.2018.02.029 | Journal (article/letter/editorial) | | Steven B. Simon f a Department of the Geophysical Sciences, The University of Chicago, Chicago, IL 60637...Chicago Center for Cosmochemistry, The University of Chicago, Chicago, IL 60637, USA c Robert A. Pritzker...Field Museum of Natural History, Chicago, IL, USA d Enrico Fermi Institute, The University of Chicago, Chicago...Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology, University of Hawaiâi...MaÌnoa, Honolulu, HI, USA f Institute of Meteoritics, University of New Mexico, Albuquerque, NM 87131, USA |  | | Journal (article/letter/editorial) | | reserved I6-7037/94$6.00+ .OO Formation and alteration of CAIs in Cold Bokkeveld (CM2) RICHARD C. GREENWOOD...Road, London SW7 5BD, UK âDepartment of Physics, University of Essex, Colchester CO4 3SQ, UK (Received...and characterised in situ; the textural environment of CM2 CAIs has been studied for the first time. Based...into four groups: ( 1) spine1 inclusions, (2) a hibonite inclusion, (3) spinel-pyroxene (sp-py) inclusions...similar to those in the chondrules and matrix of the meteorite, and it is concluded that all were altered |
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