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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Bibliographic Details
Main Author: M. Ploegsma
Format: Article
Language:English
Published: Geological Society of Finland 1991-06-01
Series:Bulletin of the Geological Society of Finland
Subjects:
Online Access:http://www.geologinenseura.fi/bulletin/Volume63/sgs_bt_063_1_pages_003_013.pdf