U-Pb zircon geochronology of selected Archaean migmatites in eastern Finland

U-Pb zircon geochronology of selected Archaean migmatites in eastern Finland

U-Pb SIMS data on eight samples (four mesosome-leucosome pairs) from migmatites in gneiss complexes are presented from the western part of the Archaean Karelian craton, eastern Finland. Most zircon grains in the mesosomes yield ages between 2.84 Ga and 2.79 Ga, with cores of 2.94 Ga in one sample. A...

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Bibliographic Details
Main Authors:	A. Käpyaho, P. Hölttä, M.J. Whitehouse
Format:	Article
Language:	English
Published:	Geological Society of Finland 2007-06-01
Series:	Bulletin of the Geological Society of Finland
Subjects:	migmatites metamorphism migmatization absolute age U/Pb zircon Archean Kuhmo Lieksa Finland
Online Access:	http://www.geologinenseura.fi/bulletin/Volume79/Kapyaho_etal_2007.pdf

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