Metasomatic alkali-feldspar syenites (episyenites) of the Proterozoic Suomenniemi rapakivi granite complex, southeastern Finland
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DOI: 10.1016/j.lithos.2017.09.017
Abstract: Abstract Peralkaline to marginally metaluminous alkali-feldspar syenites and quartz alkali-feldspar syenites are hosted by subalkaline, ferroan rapakivi granites in the 1644 Ma Suomenniemi complex of southeastern Finland. These alkali syenites form NW-oriented dikes and small (… read more here.
Keywords: suomenniemi; feldspar; feldspar syenites; complex southeastern ... See more keywords