Slack JF, Van Baalen M, Reusch DN. Regional geochemical variations in a metamorphosed black shale: a reconnaissance study of the Silurian Smalls Falls Formation, Maine, USA. atlgeo [Internet]. 2020 Oct. 14 [cited 2024 May 17];56:231-55. Available from: https://journals.lib.unb.ca/index.php/ag/article/view/31136