Shilts, William W.; Aylsworth, Janice M.; Kaszycki, Christine A.; Klassen, Rodney A. (1987). "Canadian Shield". Geomorphic Systems of North America: 119–161. doi:10.1130/DNAG-CENT-v2.119. ISBN0813753023.
Smithies, R.H (15 October 2000). "The Archaean tonalite–trondhjemite–granodiorite (TTG) series is not an analogue of Cenozoic adakite". Earth and Planetary Science Letters. 182 (1): 115–125. Bibcode:2000E&PSL.182..115S. doi:10.1016/S0012-821X(00)00236-3.
de Geoffroy, J.; Wignall, T. K. (1 May 1971). "A probabilistic appraisal of mineral resources in a portion of the Grenville Province of the Canadian shield". Economic Geology. 66 (3): 466–479. Bibcode:1971EcGeo..66..466D. doi:10.2113/gsecongeo.66.3.466.
Smithies, R.H (15 October 2000). "The Archaean tonalite–trondhjemite–granodiorite (TTG) series is not an analogue of Cenozoic adakite". Earth and Planetary Science Letters. 182 (1): 115–125. Bibcode:2000E&PSL.182..115S. doi:10.1016/S0012-821X(00)00236-3.
de Geoffroy, J.; Wignall, T. K. (1 May 1971). "A probabilistic appraisal of mineral resources in a portion of the Grenville Province of the Canadian shield". Economic Geology. 66 (3): 466–479. Bibcode:1971EcGeo..66..466D. doi:10.2113/gsecongeo.66.3.466.
Alexander Murray; Harrisson Panabaker; Holy O'Rourke; David Barrett (7 February 2006). "Canadian Shield". The Canadian Encyclopedia. Retrieved 29 May 2024. Formed over 3 billion years through processes such as plate tectonics, erosion and glaciation