Institution: | [1]Department of Earth Sciences, Uppsala University, Villavagen Villavaeigen 16, Uppsala, SE-752 36, Sweden.; [2]Department of Earth Science, University of Bergen, Allegaten 41, N-5007, Bergen, Norway.; [3]The Geological Survey of Denmark and Greenland, Фster Voldgade 10, Dk 1350 Copenhagen, Denmark. |