Cashaqua Shale
| Cashaqua Shale | |
|---|---|
Sonyea Group | |
| Underlies | West Falls Group |
| Overlies | (see description) |
| Location | |
| Region |  New York,  Pennsylvania |
| Country |  United States |
 The Cashaqua Shale and its various underlying members in western and west-central New York.[1] | |
The Cashaqua Shale is a
period
.
The Cashaqua shale underlies the
Middlesex Shale, and moving eastward, it overlies the Pulteney shale and then the Rock Stream Formation in west-central New York.[1]
References
- ^ a b Colton, George W.; de Witt, Wallace Jr. (1958). "Stratigraphy of the Sonyea Formation of Late Devonian Age in Western and West-Central New York". United States Geological Survey. United States Department of the Interior. Retrieved 22 September 2015.
- "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 (1161-G). USGS. Retrieved 22 September 2015.
- "Cashaqua Shale Formation - Sonyea Group". Shanan E. Peters & Noel A. Heim. Archived from the original on 2015-09-23. Retrieved 2015-09-17.
- Rickard, L.V.; Isachsen, Y.W.; Fisher, D.W. (1970). "Geologic map of New York: Finger Lakes sheet". New York State Museum. 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. 69. SEPM Society for Sedimentary Geology: 909–925. . Retrieved 22 September 2015.