Mount Simon Sandstone

Mount Simon Sandstone
Stratigraphic range: Upper Cambrian ?
Type Geological formation
Unit of Potsdam Sandstone
Underlies Eau Claire Formation
Overlies Precambrian bedrock (unconformably)
Thickness up to 2,000 feet (610 m)
Lithology
Primary Coarse sandstones
Other Occasional fine dark grey or maroon shales

The basal sandstone of the Potsdam Sandstone. Deposited in a nearshore environment, unconformably overlying Precambrian basement.[1] Overlain by Eau Clair or Ordovician rocks. Presumed Upper Cambrian in age, though not verified.[2] See infobox for more details.[3]

References

  1. Hamblin, A. P. (2011). Detailed outcrop and core measured sections of Upper Cambrian and Middle Ordovician sandstones (and associated facies), southwestern Ontario (Report). Geological Survey of Canada. doi:10.4095/288671. Open File 6856.
  2. Hamblin, A. P. (October 1998). Upper Cambrian strata of southwestern Ontario: Summary of literature (Report). Geological Survey of Canada. Open File 3663.
  3. "Mount Simon Sandstone". Indiana Geological Survey. Retrieved 2014-08-26.