 | | Report (issue) | | 00(2) c = 22.88(4) X-ray Powder Pattern: Estherville meteorite. 2.817 (10), 3.747 (8), 2.505 (8), 3.845...6 P205 FeO MnO MgO CaO Total 99.3 (1) Estherville meteorite; by electron microprobe, total Fe as FeO...Olivine, whitlockite, of some meteorites. farringtonite, troilite. Distribution: In the Estherville mesosiderite...mesosiderite meteorite, and the pallasite meteorites Finmarken, Imilac, Newport, Mount Vernon, Santa Rosalia...History, Chicago, Illinois, USA, during whose tenure the Museum's meteorite collection reached major proportions |  | | 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...Chromite Quartz Tridymite Chlorapatite Merrillite (Whitlockite) Olivine Orthopyroxene Clinopyroxene Plagioclase...weathering. In 1955, therefore, to specializein meteorite mineralogy might well have beenconsideredthe refugeol |  | | Journal (article/letter/editorial) | | 359SO?.W.l,0 The fission track records of the Estherville, Nakhla and Odessa meteorites P. F. GREEN, R...in various mineral phases of three meteorites-Estherville, Nakhla and Odessa+zoupled with U content determination...fission of ‘j*U and 244Pu. A fission-track age for Estherville of around 4 x IO9 yr is found, which is thought...different ways, depending on the history of the meteorite. A mineral will begin to record fission tracks...from the Nakhla meteorite. This is in contrast to gas-retention ages for this meteorite of typically c |  | | Report (issue) | | METEORITES The Estherville Meteorite, by Joseph Nelen and Brian Mason DD) Nelen : Iron Meteorite Cornpoctions...Clarke, Jr., and eneere perce The Nejo, Ethiopia, Meteorite by Roy S. Clarke, Jr., Eugene Jarosewich, and...Nakhon Pathom Meteorite, by Joseph A. Nelen Ec Kurt Fredriksson 57 65 Forest Vale Meteorite, by A. F...(7%), fayalite (3%), and accessory apatite, whitlockite, and zircon. A complete chemical analysis of...preventing readjustment at lower temperatures. meteorite was extracted 12001 10084 Allende Na a 238 |  | | Journal (article/letter/editorial) | | TREMORGIO (CANTON TICINO) AS A POSSIBLE QUARTERNARY METEORITE IMPACT CRATER IN THE SWISS ALPS Kurt Bachtiger...the author had, some years ago, the idea of a meteorite impact crater in the Quarternary, i.e. 20-50,000...some interpretations will be attempted. 171 K Meteorite Type (ppm) johnstown (whole rock) Di 853...Total Ar 39_Ar40 age (G.Y.) 4.38 4.07 maximum Meteorite minimum Bjurbole 4.12 3.46 3.96 3.98 1.62 ... An agglutinate is born when a primary micro-meteorite impact (velocity - 20 km/sec) melts a little surface |  | | Report (issue) | | Structural and compositional properties of iron meteorite groups ___________ The geochemical behavior of...ABBREVIATIONS The following abbreviations for the meteorite classes are used throughout the tables and elsewhere;...percent) ; all others (<0.01 percent). A list of meteorite minerals is provided, and a tabulation of elemental...minerals are quartz and aluminosilicates; the common meteorite minerals are anhydrous, whereas hydrated minerals...actual extraterrestrial abundances; irons dominate meteorite finds since they are resistant to weathering and |  | | Book | | Enterprises, PO Box 213, Livermore, California, 94551, USA. Because of space limitations, only a subset of the...Hidden Valley Road, Kingsport, Tennessee, 37663, USA. The authors appreciate the advice and kind assistance...City, Nevada, USA; Peter Embrey, London, England; Jessie Hardman, Long Beach, California, USA; and Barbara...Barbara Nichols, Livermore, California, USA. All of these colleagues made helpful comments and substantive...Enterprises PC Box 213 Livermore California 94551 USA Elemental Table “Element” Aluminum Amide Ammonium |  | | Book | | variety amethyst, sceptre habit, Denny Mountain, King County, Washington, U.S.A. / Photo by Ken Mayer Production...organic geochemistry. Green River Formation, Uinta County, Utah, U.S.A. Trudell, L.C. (1970): Lithologic...Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. McDonald, AM. & Chao, G.Y. (1994):...Abernathy, operator of the Fumerole mine, Emery County, Utah, U.S.A., who found the first braunite. Mount...agardite-Y. Ahlfeldite Red Cloud mine, Lincoln County, New Mexico, U.S.A. NiSeOQ3¢2H20, mon., P2;/n |  | | Report (issue) | | Electron microprobe analyses (4) from Blithfield meteorite. ALABANDITE. Tornroos, Neues Jahrb. Mineral.,...Microprobe analysis (av.) from Adhi Krot meteorite from St. Sauveur meteorite (richterite) AMPHIBOLE. Rudashevskii...(1985). Microprobe analyses (3) from Shergotty meteorite (and Zagami). AMPHIBOLE. Tripathi and Goel (Proc...(1983). Microprobe analyses from Peach River meteorite, Alberta. APATITE. Ritter and Maerk, (Nucl. Instrum...370-371 (1981). New mineral, NaCrS2 , from Norton County achondrite. Analysis, X-ray data. CATAPLEIITE. |  | | Book | | Radioactivity in Lunar Rocks: Implications for Meteorite Infall, Solar-Wind Flux, and Formation Conditions...is consistent with the observed occurrence of meteorite material in the soil. Many elements such as potassium...experimental error as the value obtained from meteorite lead. The apparent ages are shown in Table 2....leads used for correction are primeval lead of meteorite (7) for samples 10061 and 10084 and common lead...are plotted with Patterson’s data (/) on stone meteorite and Oversby’s measurement (7) of primordial lead |  | | Report (issue) | | Radioactivity in Lunar Rocks: Implications for Meteorite Infall, Solar-Wind Flux, and Formation Conditions...is consistent with the observed occurrence of meteorite material in the soil. Many elements such as potassium...leads used for correction are prin1eval lead of meteorite (7) for san1plcs 10061 and 10084 and common lead...percent, and the lower limit to include Patterson's meteorite data. It might be argued that the obtained age...the observed data fit into the extension of the meteorite lead array, (ii) the data lie near the U-Pb evolution |
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