Sökning: "Sten Lindskog"

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  1. 1. A Russian record of a Middle Ordovician shower : extraterrestrial chromite in Volkhovian-Kundan (lower Darriwilian) strata at Lynna River, St. Petersburg Region

    Master-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Anders Lindskog; [2011]
    Nyckelord :Lynna River; extraterrestrial chromite; fossil meteorites; Volkhov; Kunda; Darriwilian; heavy minerals; Lenodus variabilis; Lynna; utomjordisk kromit; fossila meteoriter; tungmineral; Earth and Environmental Sciences;

    Sammanfattning : Numerous fossil meteorites and high concentrations of sediment-dispersed extraterrestrial chromite (EC) grains with typical ordinary chondritic composition have previously been documented from 467±1.6 Ma Ma lower Kundan (Middle Ordovician) strata. LÄS MER