Interpretation of Rb-Sr dates from the Western Gneiss Region

a cautionary note.

A. G. Krill, W. L. Griffin

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Some Precambrian Rb/Sr whole-rock isochrons from the Western Gneiss Region have been interpreted as recording the age of the metamorphism, and some recent geologic models have in turn considered the Caledonian influence in the region to be relatively minor. However, data from the basement rocks of the Alps clearly show that Rb/Sr whole-rock isochrons survived intense Alpine metamorphism and deformation. Thus, the Precambrian dates from western Norway may record meaningful ages of the Precambrian basement even though the effects of the Caledonian orogenesis may have been considerable.-Authors

Original languageEnglish
Pages (from-to)83-86
Number of pages4
JournalNorsk Geologisk Tidsskrift
Volume61
Issue number1
Publication statusPublished - 1981
Externally publishedYes

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