Inter-bedded sandstones and shales were originally deposited in deep water: Bastida F.; Aller J.; Toimil N.C.; Lisle R.J.; Bobillo-Ares N.C. (2007). "Some considerations on the kinematics of chevron folds". Journal of Structural Geology. 29 (7): 1185–1200. Bibcode:2007JSG....29.1185B. doi:10.1016/j.jsg.2007.03.010.
Inter-bedded sandstones and shales were originally deposited in deep water: Bastida F.; Aller J.; Toimil N.C.; Lisle R.J.; Bobillo-Ares N.C. (2007). "Some considerations on the kinematics of chevron folds". Journal of Structural Geology. 29 (7): 1185–1200. Bibcode:2007JSG....29.1185B. doi:10.1016/j.jsg.2007.03.010.