 | | Journal (article/letter/editorial) | | microprobe analysis of some rare minerals in the Norton County achondrite KLATZS KEIL Univcrsit,y and KURT...composition of the minerals constituting the Sorton County achondrite hss been ascertained by measuring a...daubreelite, troilito, and two new species, titanoan troilite The u~msual association of minerals indicates...time and ferroln~gnesian al&bandite. when this meteorite was formed the environment w-as strongly reducing...mechanism must take t$his into account. ‘17~~: Norton 1948, near C’ounty achondrite shower fell short |  | | Report (issue) | | c = 19.5 Z=3 X-ray Powder Pattern: Norton County meteorite. 2.60 (100), 2.07 (80), 1.910 (80), 1.779...29 100.00 (1) Norton County meteorite; by electron microprobe. (2) Qingzhen meteorite; by electron microprobe...and in the brecciated matrix of a meteorite (Norton County meteorite); between coarse pyroxene grains...grains in chondrules in a meteorite (Qingzhen meteorite). Association: Enstatite, cronusite, daubréelite,... titanoan troilite, ferromagnesian alabandite, oldhamite, kamacite, perryite, schollhornite (Norton County |  | | Journal (article/letter/editorial) | | WEATHERING PRODUCTS OF OLDHAMITE PARENTAGE IN THE NORTON COUNTY ENSTATITE ACHONDRITE Aklhlko Okada·, Klaus Kell...deposits occur on surfaces offragments ofthe Norton County enstatite achondrite. X-ray powder analysis...oldhamite (CaS), which we found to occur in Norton County. The occurrence of portlandite suggests that...unlikely high T for the weathering environment of Norton County). INTRODUCTION Oldhamite is found only in enstatite...carbonates in hot water extracts of the Norton County meteorite. DuFresne and Anders (1962) found vaterite |  | | Journal (article/letter/editorial) | | University of New Mexico, Albuquerque, New Mexico 8 7106, USA Received 25 August 1969 Titanium, a strongly lithophilic...achondrites. There it occurs as a constituent of troilite (max. 0.95 wt. % in enstatite chondrites; max...strikingly different troilite contents and titanium concentrations in troilite of enstatite chondrites...in silicates [2]. No titanium was detected in troilite (FeS) o f these meteorites using electron microprobe...Furthermore, it is also present in minor amounts in troilite ( ~ 0.09 wt. %) in five o f the fourteen iron |  | Okada, Akihiko, Keil, Klaus, Leonard, B. F., Hutcheon, I. D. (1985) Schöllhornite, Na0.3(H2O)1[CrS2], a new mineral in the Norton County enstatite achondrite. American Mineralogist, 70 (5-6) 638-643 | Journal (article/letter/editorial) | | newmineralin the Schtillhornite, Nao.r(H2O)1[CrSzl, Norton Countv enstatiteachondrite Armro Orapa The Institute...Schijllhornite,ideally Nao..(HrO)r[CrSr], occurs in the Norton County enstatite achondrite as thin bands a few pm...Other associatedphasesare daubreelite,titanoan troilite, ferromagnesianalabandite, oldhamite, kamacite...of indigeneouswater in the highly reducedNorton County enstatiteachondrite,we proposethat sch...hydrate through reaction with moisture while the meteorite specimensrested in the soil of Nebraska.During |  | | Report (issue) | | 13.9 45.47 12.77 100.0 100.00 (1) Norton County meteorite; by electron microprobe, average values;...H2 O. Occurrence: In an enstatite achondrite meteorite with other chromium-rich minerals, probably formed...Association: Caswellsilverite, daubréelite, titanoan troilite, ferromagnesian alabandite, oldhamite, kamacite...Distribution: Found in the Norton County enstatite achondrite meteorite [TL]. Name: Honors Professor...University of New Mexico, Albuquerque, New Mexico, USA. References: (1) Okada, A., K. Keil, B.F. Leonard |  | | Journal (article/letter/editorial) | | (1996) Q Meteoritical Society, 1996. Printed in USA. Dark clasts in the Khor Temiki aubrite: Not basalts...University of New Mexico, Albuquerque, New Mexico 8713 1, USA 21nstitute of Petrologie, University of Vienna, Vienna...University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA 4Also associated with the Hawaii Center for Volcanology...material among thousands of fragments of the Norton County meteorite. The possible exceptions are a dark clast...illustrates the fraction, relative to the Allende meteorite reference sample (Jarosewich et al., 1987) (used |  | | Report (issue) | | = 33.29(2) Z = 3 X-ray Powder Pattern: Norton County meteorite. 11.1 (100), 5.56 (10), 2.719 (5), 3.700...(1) 0.6 4.2 33.7 39.1 21 [2.65] [101.25] (1) Norton County; by electron microprobe, average of six analyses...14H2O. Occurrence: In an enstatite achondrite meteorite, formed by terrestrial weathering of caswellsilverite...alabandite, troilite, daubréelite, iron oxyhydroxide. Distribution: Found in the Norton County enstatite...enstatite achondrite meteorite [TL]. Name: For Cronus, a Titan in Greek mythology, son of Uranus and Gaea, in |  | Lorenzetti, S., Eugster, O., Busemann, H., Marti, K., Burbine, T.H., McCoy, T. (2003) History and origin of aubrites. Geochimica et Cosmochimica Acta, 67 (3) 557-571 doi:10.1016/s0016-7037(02)01085-2 | Journal (article/letter/editorial) | | Copyright © 2003 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/03 $22.00 ⫹ .00 Pergamon...92093-0317, USA 3 Smithsonian Institution, Dept. of Mineral Sciences MRC NHB-119, Washington DC 20560, USA (Received...ray exposure (CRE) age of Norton County, the first measured stony meteorite (Begemann et al., 1957), yields...longest currently known exposure time of a stone meteorite. Gaffey et al. (1992) suggested a link between...Shallowater meteorite also are indicative of regolith processes. Thermal neutron fluxes in Norton County and |  | Barrat, J.A., Greenwood, R.C., Keil, K., Rouget, M.L., Boesenberg, J.S., Zanda, B., Franchi, I.A. (2016) The origin of aubrites: Evidence from lithophile trace element abundances and oxygen isotope compositions. Geochimica et Cosmochimica Acta, 192. 29-48 doi:10.1016/j.gca.2016.07.025 | Journal (article/letter/editorial) | | University of Hawaii at Manoa, Honolulu, HI 96822, USA. 4: CNRS UMS 3113, I.U.E.M., Place Nicolas Copernic...York, NY 10024, USA, and Geological Sciences, Brown University, Providence, RI 02912, USA. 6: Muséum National...albitic plagioclase, as well as small amounts of troilite and metallic Fe,Ni. In addition, they contain...Khor Temiki, LAP 03719, LAR 04316, Mayo Belwa, Norton Co., Peña Blanca Spring, Pesyanoe) and from two...HCl (e.g., Lodders et al., 1993). Some of the meteorite powders (typically 100-200 mg) were leached in |  | | Journal (issue) | | Meteorite Times Magazine Contents by Editor Featured Monthly Articles Accretion Desk by Martin Horejsi...Horejsi Jim's Fragments by Jim Tobin Meteorite Market Trends by Michael Blood Bob's Findings by Robert Verish...Micro Visions by John Kashuba Meteorite Calendar by Anne Black Meteorite of the Month by Editor Tektite...necessarily reflect the views or opinions of The Meteorite Exchange, Inc., nor those of any person connected...connected therewith. In no event shall The Meteorite Exchange, Inc. be responsible for, nor liable for, exposure |  | Defouilloy, C., Cartigny, P., Assayag, N., Moynier, F., Barrat, J.-A. (2016) High-precision sulfur isotope composition of enstatite meteorites and implications of the formation and evolution of their parent bodies. Geochimica et Cosmochimica Acta, 172. 393-409 doi:10.1016/j.gca.2015.10.009 | Journal (article/letter/editorial) | | University of Wisconsin-Madison, Madison, WI 53706, USA. E-mail address: defouilloy@ipgp.fr (C. Defouilloy)...up to 2 wt % Si. Other important phases include troilite and plagioclase. The exceptionally reduced environment...features that distinguish them from any other meteorite groups. They have a distinct mineralogy, with...and 2 for the aubrites (one for the Shallowater meteorite, and another parent body for all the other aubrites)...including significant MIF reported in the aubrite Norton County (Rai et al., 2005). To better discuss the differences |  | | Journal (article/letter/editorial) | | California Los Angeles, Los Angeles, CA 90095-1567, USA Department of Earth and Space Sciences, 595 Charles...California Los Angeles, Los Angeles, CA 90095-1567, USA a r t i c l e i n f o Article history: Received...isotope fractionation metal silicate enstatite meteorite Bulk Silicate Earth Earth's core formation a...aubrites (enstatite achondrites) Mount Egerton and Norton County. The meteorites are believed to have derived...California Los Angeles, Los Angeles, CA 90095-1567, USA. Tel.: + 1 310 794 4484; fax: + 1 310 206 3051. E-mail |  | | Book | | obtain a panorama of the scope and substance of meteorite research. I endeavored to remedy this situation...not exhaustively discussed—the 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), |  | | Journal (article/letter/editorial) | | below in greater detail. A selected fragment of meteorite (where possible a single piece weighing about...hydrochloric acid to decompose sulfides (mainly troilite) and carbonates. The reaction was carried out...evolution of sulfide could be detected. Orgueil meteorite was first extracted with carbon disulfide to remove...gases isolated from meteorites in ppb (rig/g meteorite) Org. Jlur. Cold B. Mok. Mig. Erek. 217...Mokoia Mighei Erakot Karoonda Bjurbtile Abee Norton County Green River Shale Paohino Shale Model10 Shale |  | | Book | | Meteorites and Meteorite Hunters O. Richard Norton Illustrated by Dorothy S. Norton Mountain Press...© 1994 O. Richard Norton Cover illustration Copyright © 1994 Dorothy Sigler Norton Cover: A small asteroid...Data Norton, O. Richard. Rocks from space : meteorites and meteorite hunters / O. Richard Norton ; illustrated...illustrated by Dorothy S. Norton, p. cm. Includes bibliographical references and index. ISBN 0-87842-302-8...Meteorites 5. Meteorite Showers 6. Two Great Siberian Meteorite Falls 7. America's Great Meteorite Crater 8 |  | | Journal (article/letter/editorial) | | tektites, photographs, a: 864-855 Ablation rate iron meteorite “Thule”, 25: 98 Absolute abundance of the chromium...29: 1085-1099 Norton County, 27: 939-947 Norton County, Br analysis, 29: 470 Norton County, Cl an&y&s,... 22: 478 Norton County, lanthanids pattern, 20: 242243, 244-245 Norton County, organic oompounds snalysed...snalysed, 27:805-834 Norton County, tantalum in, 29: 46 oxygen isotopes in minerals, 22: 492 Pasamonte,...Bruderheim meteorite, 26: 6132 aubrite, Bishopville, 29: 1085-1099 cosmic-ray, Bruderheim meteorite, 26: 662 |  | WEISSMAN, Paul R., HICKS, Michael D., ABELL, Paul A., CHOI, Young-Jun, LOWRY, Stephen C. (2008) Rosetta target asteroid 2867 Steins: An unusual E-type asteroid. Meteoritics & Planetary Science, 43 (5) 905-914 doi:10.1111/j.1945-5100.2008.tb01089.x | Journal (article/letter/editorial) | | California, USA Science Institute, 1700 East Fort Lowell Rd., Suite 106, Tucson, Arizona 85719, USA 3NASA Johnson...Code KR, 2101 NASA Parkway, Houston, Texas 77058, USA 4Queen’s University, Belfast, Astrophysics Research... Mail Stop 183-301, Pasadena, California 91109, USA *Corresponding author. E-mail: paul.r.weissman@jpl...significantly redder than the other. No known recovered meteorite sample matches the unusual spectra of 2867 Steins...more primitive meteorite types. 905 © The Meteoritical Society, 2008. Printed in USA. 906 P. R. Weissman |  | | Journal (article/letter/editorial) | | Moffett Field, Mountain View, California 94035, USA E-mail: derek.sears@nasa.gov (Received 25 June 2012;...New Mexico where he built up one of the leading meteorite research groups while working on a wide variety...1990, where he has continued a wide variety of meteorite projects, notably the role of volcanism on asteroids...get back to meteorites. DS: But you did some meteorite research in East Germany? KK: Yes, I started in...students did. It was a risky proposition to go into meteorite research in those days. DS: You published your |  | | Journal (article/letter/editorial) | | (1989) © Meteoritical Society, 1989. Printed in USA Helium, neon, and argon in meteorites - A data compilation...of meteorites) is valuable in other fields of meteorite research. The noble gas data, however, are distributed...that of the first compilation. The name of the meteorite is given as a six-space abbreviation which is...rare gas data are listed in three tables: Stone meteorite data (chondrites and achondrites) in Table 2,... stony-iron data in Table 3 and iron meteorite data in Table 4. These all follow the same format, with |  | | Journal (article/letter/editorial) | | 44, 1161. Huss et al., 1981. G.C.A. 45, 33. METEORITE CONCENTRATIONS IN ANTARCTICA - HOW COMPLETE IS...have been proposed to explain the phenomena of meteorite accumulations on blue ice fields. Model I, suggested...pictorially by Yanai, is a general picture relating meteorite fall and accumulation to the entire Antarctic...Nagata-Yanai model assumes a steady state balance in the meteorite concentration zone between emergent ice gain and...numbers of specimens found and the old terrestrial meteorite ages. The Whillans-Cassidy model assumes a steady |  | | Book | | a P. Tarcher/Penguin member of Penguin Group (USA) Inc. New York San Rafael Public Library 1100...TARCHER/PENGUIN Group (USA) Inc., 375 Hudson Street, New York, New York I00I4, USA Penguin Group (Canada)...created to needs. For details, write Penguin Group (USA) Inc. Special Markets, 375 Hudson Street, New...Book 27 The Isthmus and The Weather of 93 Meteorite Island Belief 129 Mr. Barringers Big Idea ...Index 412 453 , 505 31 Down 386 437 Meteorite Chart , 309 333 Antarctic Journey Crap Through |  | | Journal (article/letter/editorial) | | Cronusite Ca0.2(H2O)2CrS2 T RIGONAL Locality: Norton County meteorite (enstatite achondrite), which fell on February...Associated minerals are: enstatite, ferroan alabandite, troilite and daubréelite. Cronusite is a product of the...Cronusite, Ca0.2(H2O)2CrS2, a new mineral from the Norton County enstatite achondrite. Zapiski Vserossiyskogo |  | | Journal (article/letter/editorial) | | (1993) OMeteoritid Society, 1993. Printed in the USA. Invited Review THE METEORITICAL SOCIETY: 1933...Haxvard University, Cambridge, Massachusetts, 02138, USA Abstract-In August, 1933, at the Field Museum of...position as a biology teacher at McPherson College in Kansas to pursue his interest in meteorites. Such actions...in a large, fireproof safe at the Center for Meteorite Studies at Arizona State University. This was...The Society for Research on Meteorites 2. The Meteorite Research Society 3. The Society for the Study |  | Wasserburg, G.J., Hutcheon, I.D., Aléon, J., Ramon, E.C., Krot, A.N., Nagashima, K., Brearley, A.J. (2011) Extremely Na- and Cl-rich chondrule from the CV3 carbonaceous chondrite Allende. Geochimica et Cosmochimica Acta, 75 (17) 4752-4770 doi:10.1016/j.gca.2011.06.004 | Journal (article/letter/editorial) | | 91125, USA Glenn Seaborg Institute, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA c CSNSM... Honolulu, HI 96822, USA e University of New Mexico, Albuquerque, NM 87131, USA b Received 28 November...body prior to incorporation into the Allende meteorite. Galactic cosmic rays cannot be the source of...carbonaceous chondrite Allende. This object, which by meteorite standards is extremely rich in Na (10 wt%), Cl...olivine, plagioclase and fassaite glass, and Lake County and Miakejima plagioclase) at the beginning and |
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