Single-zircon Pb-evaporation and 40Ar/39Ar dating of the metamorphic and granitic rocks in north-west Spitsbergen

• Published in: Polar Research
• Main Authors: Ohta, Yoshihide, Larionov, Alexander N., Tebenkov, Alexander M., Lepvrier, Claude, Maluski, Henri, Lange, Michael, Hellebrandt, Barbara
• Format: Article in Journal/Newspaper
• Language: English
• Published: Norwegian Polar Institute 2002
• Subjects: Signehamna; Polar Research; Spitsbergen
• Online Access: https://polarresearch.net/index.php/polar/article/view/2131; https://doi.org/10.3402/polar.v21i1.6475

North-west Spitsbergen consists of a complex of Caledonian and Grenvillian crystalline rocks, situated at the north-west corner of the Barents Shelf. The aim of this study is to understand the extent of pre-Caledonian basement rocks and their protoliths. Micas and zircon grains from six rocks from n...