59°16′04″N 9°16′40″E / 59.2677°N 9.2779°E / 59.2677; 9.2779
http://www.mindat.org/loc-14357.html Mindat location description http://www.mindat.org/loc-14357.html ↩
Faure, Gunter (2000) Origin of Igneous Rocks, Springer, pp. 319-321 ISBN 3-540-67772-0 /wiki/ISBN_(identifier) ↩