U-Pb zircon age of 469 +- 5 Ma for a metatonalite from the Kjosen Unit of the Lyngen Magmatic Complex, northern Norway

Two fractions of zircon from a tectonised tonalite from within metagabbro of the Kjosen Unit of the Lyngen Magmatic Complex give a concordant U-Pb age of 469 +- 5 Ma. This is interpreted as a minimum age for the Kjosen Unit. This Late Arenig- Llanvirn age is similar to that found in the last stages...

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Bibliographic Details
Main Authors: Oliver, Grahame J.H., Krogh, Thomas E.
Format: Article in Journal/Newspaper
Language:English
Published: 1995
Subjects:
DATERING
Kjosen
Norway
Northern Norway
Lyngen
Online Access:https://hdl.handle.net/11250/2674071
Description
Summary:Two fractions of zircon from a tectonised tonalite from within metagabbro of the Kjosen Unit of the Lyngen Magmatic Complex give a concordant U-Pb age of 469 +- 5 Ma. This is interpreted as a minimum age for the Kjosen Unit. This Late Arenig- Llanvirn age is similar to that found in the last stages of magmatic development of the Karmøy Ophiolite Complex of Southwest Norway. 35428

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