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Age of gneissic rocks in the Caledonian nappes of the Alta district, northern Norway

dc.contributor.authorSturt, Brian A.
dc.contributor.authorAustrheim, Håkon
dc.coverage.spatial18342 Nas'sa
dc.date.accessioned2020-08-26T09:10:35Z
dc.date.available2020-08-26T09:10:35Z
dc.date.issued1985
dc.identifier.urihttps://hdl.handle.net/11250/2674244
dc.description.abstractResult of a Rb-Sr geochronological investigation are presented which confirm the Precambrian age of gneisses forming parts of the Skillefjord and Nalganas Nappes of the West Finnmark Caledonian allochthon. In the case of the Skillefjord Nappe, granodiorite dikes which cut tonalitic gneisses have yielded an isochron age of ca. 3.000 Ma B.P. thus indicating the presence of Archaean elements tectonically incorporated in the nappe pile during the Finnmarkian orogenesis.
dc.language.isoeng
dc.relation.ispartofseriesNGU Bulletin (403)
dc.rightsNavngivelse 4.0 Internasjonal
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no
dc.subjectGEOKRONOLOGI
dc.titleAge of gneissic rocks in the Caledonian nappes of the Alta district, northern Norway
dc.typeJournal article
dc.description.localcode36222
dc.source.pagenumber179-181


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Navngivelse 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Navngivelse 4.0 Internasjonal