Van Kranendonk, Martin J., and Herwart Helmstaedt. “Late Archean Geologic History of the Nain Province, North River-Nutak Map Area, Labrador, and Its Tectonic Significance”. Geoscience Canada, vol. 17, no. 4, Dec. 1990, https://journals.lib.unb.ca/index.php/GC/article/view/3694.