ROSS, M. E. An Early Triassic 40Ar/39Ar age for a camptonite dyke in Cambridge, Massachusetts. Atlantic Geoscience, [S. l.], v. 46, p. Pages 127 – 135, 2010. DOI: 10.4138/atlgeol.2010.007. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/atlgeol.2010.007. Acesso em: 9 dec. 2022.