| | 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) | undergone separation of metal from silicate as in stony-iron meteorites, as well as some E- and M-types perhaps...' In spite of numerous historical records of meteorite falls, a century of scientific scepticism about...important is the assumption of complete divalency of the iron, which results in a lower electrical conductivity...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; |
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