Comment: Oman Chronostratigraphy: (Comment on "Geochronologic constraints on the chronostratigraphic framework of the Neoproterozoic Huqf Supergroup, Sultanate of Oman" by Samuel A. Bowring, John P. Grotzinger, Daniel J. Condon, Jahandar Ramezani, Mark J. Newall and Philip A. Allen, American Journal of Science, v. 307, p. 1097-1145.) | Publicación