NJG50-3-08
1970
A note on the age of the Fyresdal granite, Telemark, Southern Norway
50
3
257-260

Rb- Sr ages (861 ± 50 & 868 ±50 million years) on biotites of the Fyresdal granitic pluton, Telemark, Southern Norway, indicate the possibility of the region having been affected by the 90Q-1000 m.y. orogeny or, as it is called, the Dalslandian Orogeny.

0029-196X
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