Trenton Group

Last updated
Trenton Formation
Stratigraphic range: Middle-Upper Ordovician
MPEP407-09.jpg
Trenton Formation in Canada
Type Formation
Sub-units
  • Dolgeville Limestone
  • Flat Creek Member
  • Kings Falls Limestone
  • Glens Falls Limestone
  • Sugar River Limestone
  • Denley Limestone
  • Steuben Limestone
Underlies Collingwood Shale, Point Pleasant Formation & Scales Shale
Overlies Black River & Plattin Formation
Lithology
Primary Limestone
Other Chert
Location
Region Indiana, Michigan, Ohio, and Virginia [1]
Country United States, Canada
Extent Appalachia, Midwestern and Southeastern United States

The Trenton Group is a geologic unit in Canada and Michigan, Ohio, New York State and Indiana, Pennsylvania, and West Virginia in the United States. It dates back to the Ordovician period. [2] [3]

See also

References

  1. ↑ Paleozoic Sedimentary Successions of the Virginia Valley & Ridge and Plateau
  2. ↑ "Trenton Limestone". Indiana Geological and Water Survey. Indiana University. Retrieved 6 July 2020.
  3. ↑ Orton, Edward (1889). "THE TRENTON LIMESTONE AS A SOURCE OF PETROLEUM AND INFLAMMABLE GAS IN OHIO AND INDIANA, in Eighth Annual report of the United States Geological Survey to the Secretary of the Interior, 1886-1887: Part 2". USGS. pp. 547–556. Retrieved 6 July 2020.
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