THE COULSDON TEETH WHITENING DIARIES

Depositional cycles are formulated higher than the Hutchinson Salt Member inside the upper Wellington and Ninnescah shales. These cycles encompass slim anhydrite or dolomite beds indicative of flooding accompanied by accumulation of marine mudrocks (Watney et al. A summary by Mudge (1967, p. 112 [his Interval B]) discusses the higher boundary from