A pilot Rb-Sr dating of the Suomusjärvi ultramylonite: evidence for major post-Svecofennian deformation in SW Finland
The Suomusjärvi shear zone in the West Uusimaa area in the Proterozoic Svecofennides of SW Finland belongs to a group of late, post-peak metamorphic structures comprising vertical shear zones and folds with vertical fold axes. Field and microscopical evidence suggest that these structures can be cor...
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Format: | Article |
Language: | English |
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Geological Society of Finland
1991-06-01
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Series: | Bulletin of the Geological Society of Finland |
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Online Access: | http://www.geologinenseura.fi/bulletin/Volume63/sgs_bt_063_1_pages_003_013.pdf |