On some pre-Cambrian metadolerites from the central Ivigtut region SW Greenland

Erling Bondesen, Niels Henriksen

    Research output: Book/ReportBookResearchpeer-review


    After their consolidation, the Ketildian gneisses were transversed by several generations of tensional, doleritic dykes - the Kuánitic dykes. During a later episode (the Sánerutian) these dykes were metamorphosed to varying degrees of alteration which increase in the described area from west to east. Along a specific metadolerite, which can be traced approx. 40 km, the metamorphic grade changes from greenschist to amphibolite facies. In the western parts static conditions and in the eastern parts dynamic conditions, prevailed during the alteration. Sánerutian shear zones in the eastern parts depict the dynamic conditions found here.
    Original languageEnglish
    PublisherGrønlands Geologiske Undersøgelse
    Number of pages43
    Publication statusPublished - 24 May 1965

    Publication series

    SeriesBulletin Grønlands Geologiske Undersøgelse

    Programme Area

    • Programme Area 4: Mineral Resources


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