Blar i Artikler på emneord "MASSESPEKTROSKOPI"
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Age determinations from the Iveland-Evje area, Aust-Agder.
(NGU (300), Journal article, 1973)A Rb\/Sr isochron age determination on intrusive granite and monzonite from the Iveland-Evje area gave an age of 1038+- 43 m.y. Biotite from the granite dated by the K\/Ar method gave an age of 845+-60 m.y. These values ...