Age of the Tokkalehto metagabbro and its significance to the lithostratigraphy of the early Proterozoic Kuusamo supracrustal belt, northern Finland

• Published in: Bulletin of the Geological Society of Finland
• Main Authors: P.M. Evins, K. Laajoki
• Format: Article in Journal/Newspaper
• Language: English
• Published: Geological Society of Finland 2001
• Subjects: metagabbro; intrusions; absolute age; U/Pb; magmatism; lithostratigraphy; magnetic anomalies; Proterozoic; Tokkalehto; Kuusamo; Finland; Geology; QE1-996.5; Kitka; Northern Finland
• Online Access: https://doi.org/10.17741/bgsf/73.1-2.001; https://doaj.org/article/277cacba05294107b18a33a32b8ab716

The c. 30-km2 Tokkalehto metagabbro and associated sills and dykes intrude a large part of the western part of the early Proterozoic Kuusamo supracrustal belt in northern Finland. These rocks have previously been mapped as a metavolcanic unit, Greenstone Formation III, the type area of which occurs...