For Review Only Direct 40Ar/39Ar K-feldspar dating of Late Permian - Early Triassic brittle faulting in northern Norway Journal: Terra Nova Manuscript ID TER-2017-0117.R1 Wiley - Manuscript type: Paper Date Submitted by the Author: n/a Complete List of Authors: Davids, Corine; Norut Northern Research Institute; University of Tromsø, Department of Geology Benowitz, Jeffrey; University of Alaska Fairbanks, Geophysical Institute Layer, Paul; University of Alaska Fairbanks, Geophysical Institute Bergh, Steffen; University of Tromsø, Department of Geology Brittle Faulting, 40Ar/39Ar K-Feldspar geochronology, Post-Caledonian, Keywords: Northern Norway, Late Permian - Early Triassic Page 1 of 42 For Review Only Late Permian Early Triassic Northern Norwegian Faulting 1 2 3 4 5 Direct 40Ar/39Ar K-feldspar dating of Late Permian - Early Triassic brittle faulting in northern 6 Norway 7 Corine Davids1,2, Jeff A. Benowitz3*, Paul W. Layer4, Steffen G. Bergh2 8 1Norut Northern Research Institute, NO-9294 Tromsø, Norway 9 2Department of Geosciences, UiT The Arctic University of Norway, NO-9037 Tromsø, Norway 10 3*Corresponding author: Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK 11 99775-5940, USA,
[email protected], 907-474-7010 12 4College of Natural Science and Mathematics, University of Alaska Fairbanks, Fairbanks, AK 13 99775-5940, USA 14 15 16 17 18 19 20 21 1 For Review Only Page 2 of 42 Late Permian Early Triassic Northern Norwegian Faulting 22 23 24 ABSTRACT 25 While the offshore post Caledonian extensional history of the north Norwegian passive 26 margin is well constrained, the tectonic relationship between onshore and offshore regions is less 27 clear because of limited age constraints on the timing of rifting onshore.