 | | Journal (article/letter/editorial) | | Printed in The Netherlands 19 [41 PONTLYFNI: A DIFFERENTIATED METEORITE RELATED TO THE GROUP IAB IRONS ANDREW...abundances of 23 major and trace elements in the Pontlyfni meteorite have been measured by instrumental neutron...relationship between Pontlyfni and the group lAB irons. 1. Introduction The Pontlyfni meteorite fell on Coch-y-Bug...Coch-y-Bug Farm, Pontlyfni, Llanwnda, Caernarvonshire, Wales at 11 : 53; April 14, 1931 [1]. Most o f the...could only state that it was a meteorite o f an unusual type. The meteorite was acquired for the British |  | | Journal (article/letter/editorial) | | stone meteorites Winona, Mt. Morris (Wisconsin), Pontlyfni, Kakangari and Acapulco, plus a chondritic inclusion...carbon-containing species present. Winona, Mt. Morris (Wis), Pontlyfni and the chondritic inclusion from Cumberland Falls...“winonaites”, and there is no basis for including this meteorite in any group with IAB irons or enstatite chondrites...oxygen isotopic composition ofvarious well defined meteorite groups has helped to solve some problems, and...Morris (Wisconsin) and Pontlyfni The Winona stone, a badly weathered meteorite “find” was recovered in |  | LI, Shijie, WANG, Shijie, BAO, Huiming, MIAO, Bingkui, LIU, Shen, COULSON, Ian M., LI, Xiongyao, LI, Yang (2011) The Antarctic achondrite, Grove Mountains 021663: An olivine-rich winonaite. Meteoritics & Planetary Science, 46 (9) 1329-1344 doi:10.1111/j.1945-5100.2011.01232.x | Journal (article/letter/editorial) | | (GRV) 021663 meteorite was collected from the Grove Mountains region of Antarctica. The meteorite is composed...diopside (En53.6Fs2.4Wo44), troilite, kamacite, and plagioclase (Ab74.5Or4An21.5). Minor phases include schreibersite...schreibersite and K-feldspar. The meteorite is highly weathered (W3) and weakly shocked (S2). We determine...have resulted in the reclassification of this meteorite as a member of the winonaite group. The occurrences...molten. Euhedral inclusions of pyroxene within plagioclase further suggest that these may have crystallized |  | | Journal (article/letter/editorial) | | ' In spite of numerous historical records of meteorite falls, a century of scientific scepticism about...in meteorites. White inclusions of the Allende meteorite carry the melilite, spinel, diopside, and perovskite...with 27A1/24Mg in anorthite from the Allende meteorite (Lee et al., I977a , b); Hutcheon et al., I977;...carbonaceous chondrites; however, mixtures of several meteorite types are more plausible than just a single type...12; normalized to log H = 12; log atomic, b. CI meteorite; log atomic normalized to log Mg + log Si = 15 |
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