The Pyhäntaka formation, Southern Finland: A sequence of metasandstones and metavolcanic rocks upon an intra-orogenic unconformity
Detrital zircon studies suggest that the few quartzite occurrences in southern Finland are younger than 1.87 Ga and express sedimentation after 1.89–1.87 Ga accretional deformation and metamorphism in the Svecofennian orogenic belt. Detailed field work in the high-grade metamorphic Pyhäntaka area al...
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Format: | Article |
Language: | English |
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Geological Society of Finland
2011-06-01
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Series: | Bulletin of the Geological Society of Finland |
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Online Access: | http://www.geologinenseura.fi/bulletin/Volume83/Nironen.pdf |