Provisional results of isotope investigations into quartzo-feldspathic rocks from Kangiussap nunâ, Ivisârtoq sheet, southern West Greenland. rapggu [Internet]. 1983 Dec. 31 [cited 2025 Oct. 27];115:56-9. Available from: https://geusjournals.org/index.php/rapggu/article/view/7831