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dc.contributor.authorAndersen, T.
dc.contributor.authorHansteen, T.H.
dc.coverage.spatialHOLMESTRAND
dc.coverage.spatialØVRE EIKER
dc.coverage.spatialVIKEN
dc.coverage.spatialVESTFOLD
dc.coverage.spatialDRAMMEN
dc.coverage.spatial18143 Drammen
dc.coverage.spatial17142 Kongsberg
dc.coverage.spatialKONGSBERG
dc.date.accessioned2020-08-26T09:11:24Z
dc.date.available2020-08-26T09:11:24Z
dc.date.issued1990
dc.identifier.urihttps://hdl.handle.net/11250/2674254
dc.description.abstractDecrepitation-linked ICP analyses of bulk fluid inclusion in quartz in 14 samples from the Sande nordmarkite (quartz syenite) and the Eikeren Skrim ekerite (alkali granite) plutonic complexes yield Na\/K ratios which suggest equilibration between aqueous fluid and the host rock at temperatures in the range 240-340\u00B0C. This is far below the estimated solidus ( 700\u00B0C), but can be correlated with the trapping of late, secondary fluid conclusions. The data thus demonstrate the importance of low-temperature sub-solidus fluid interaction processes for the petrogenesis of the Oslo region felsic intrusive rocks.
dc.language.isoeng
dc.relation.ispartofseriesNGU Bulletin (417)
dc.rightsNavngivelse 4.0 Internasjonal
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no
dc.subjectPETROLOGI
dc.subjectGRANITT
dc.titleMelt-mineral-fluid interaction in peralkaline silicic intrusions in the Oslo Rift, Southeast Norway. III. Alkali geothermometry based on bulk fluid inclusion content.
dc.typeJournal article
dc.description.localcode35696
dc.source.pagenumber33-40


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