SLACK, John F.; VAN BAALEN, M.R.; REUSCH, Douglas N. Regional geochemical variations in a metamorphosed black shale: a reconnaissance study of the Silurian Smalls Falls Formation, Maine, USA. Atlantic Geoscience, [S. l.], v. 56, p. 231–255, 2020. DOI: 10.4138/atlgeol.2020.010. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/31136. Acesso em: 17 may. 2024.