Burwell A, Friend C, Hughes D. Late Archaean metamorphic Rb-Sr isochron ages from basic and ultrabasic rocks in the Bjørnesund – Ravns Storø region, southern West Greenland. rapggu [Internet]. 1978 Dec. 31 [cited 2024 Jul. 3];90:135-41. Available from: https://geusjournals.org/index.php/rapggu/article/view/7612