Middlesex Shale

Middlesex Shale Stratigraphic range: Frasnian
Type	Formation
Unit of	Sonyea Group
Underlies	Cashaqua Shale or Pulteney shale
Location
Region	New York
Country	United States

The Middlesex Shale is a geologic formation in New York. It preserves fossils dating back to the Devonian period.

See also[]

• List of fossiliferous stratigraphic units in New York

References[]

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}: |author= has generic name (help)
• "Cashaqua and Middlesex Shales". USGS. Retrieved 2015-09-17.
• Bergin, M. J. (1964). "Bedrock Geology of the Penn Yan and Keuka Park Quadrangles New York". Geological Survey Bulletin. USGS (1161-G). Retrieved 22 September 2015.
• "Middlesex Shale Formation - Sonyea Group". Shanan E. Peters & Noel A. Heim. Archived from the original on 2015-09-23. Retrieved 2015-09-17.
• Schieber, J. (1999). "Distribution and deposition of mudstone facies in the Upper Devonian Sonyea Group of New York". Journal of Sedimentary Research. SEPM Society for Sedimentary Geology. 69: 909–925. doi:10.2110/jsr.69.909. Retrieved 22 September 2015.

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