Kalsbeek, Feiko, Allen P. Nutman, Jan C. Escher, Johan D. Friderichsen, Joseph M. Hull, Kevin A. Jones, and Stig A. Schack Pedersen. “Geochronology of Granitic and Supracrustal Rocks from the Northern Part of the East Greenland Caledonides: Ion Microprobe U–Pb Zircon Ages”. Geology of Greenland Survey Bulletin 184 (December 15, 1999): 31–48. Accessed May 21, 2024. https://geusjournals.org/index.php/ggub/article/view/6295.