Affiliation: | aGeological Survey of Norway, P.B. 3006 Lade, N-7002 Trondheim, Norway bDepartment of Geography and Geology, Indiana State University, Terre Haute, IN 47809, USA cDepartment of Geological Sciences, University of Michigan, Ann Arbor, MI 48109-106, USA dDepartment of Earth Sciences, University of Oxford, Parks Road, OX 3PR, UK eGeological Survey of Norway, P.B. 3006 Lade, N-7002 Trondheim, Norway fUniversity of Bergen, Institute of Solid Earth Physics, Allegt. 41, N-5007 Bergen, Norway |