The Depositional History of the Point Pleasant Member of the Cynthiana Formation in Northern Kentucky
Date of Award
Master of Science
Geological and Environmental Sciences
Dr. William B. Harrison HI
Dr. W. Thomas Straw
Dr. John D. Grace
Masters Thesis-Open Access
Bioclastic limestones, siltstones, and shales of the Point Pleasant Member were deposited in a shallow marine environment immediately below normal effective wave base. High-energy conditions produced by storms lowered the effective wave base and stirred the bottom sediments and redistributed them into bedforms. The different types of contacts, distribution of the faunal groups, and fabrics permit inferences regarding energy levels and assignment of samples to a mode of deposition. Vertical and lateral trends were then deduced. High-energy conditions are believed to have occurred during Early and Late Point Pleasant time, whereas, low-energy conditions prevailed during deposition of the middle Point Pleasant. Laterally , a general high-energy trend is presumed to have occurred in the eastern areas relative to the western areas that were studied.
Stefaniak, Gary J., "The Depositional History of the Point Pleasant Member of the Cynthiana Formation in Northern Kentucky" (1984). Masters Theses. 1545.