Pictures and explanations below
http://www.gov.ns.ca/natr/meb/field/mesozoic.asp
Very detailed geological data and drawings below will give insight into how these formations evolved.
http://web.cim.org/geosoc/docs/pdf/EMG15_2_Hundert_etal.pdf
SMU Field Trip below
http://conjugatemargins.com/download_assets/30/Field_Trip_3_-_Pe-Piper___Piper.pdf