FORCE, E. R.; BARR, S. M. Provenance of the Lower Carboniferous Horton Group, Petit-de-Grat Island, Nova Scotia, as revealed by detrital zircon ages. Atlantic Geoscience, [S. l.], v. 48, p. 137–145, 2013. DOI: 10.4138/atlgeol.2012.007. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/atlgeol.2012.007. Acesso em: 26 jan. 2022.