Rock Stream Formation
| Rock Stream Formation | |
|---|---|
| Stratigraphic range: Frasnian | |
| Type | Formation |
| Unit of | Sonyea Group |
| Underlies | Cashaqua Shale |
| Overlies | Pulteney shale |
| Lithology | |
| Primary | Siltstone |
| Other | Shale |
| Location | |
| Region |  New York |
| Country |  United States |
The Rock Stream Formation (or Rock Stream siltstone[1]) is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
See also
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References
- ^ "Sonyea Group". USGS. Retrieved 17 September 2015.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
- Rickard, L.V.; Isachsen, Y.W.; Fisher, D.W. (1970). "Geologic map of New York: Finger Lakes sheet". New York State Museum. Retrieved 17 September 2015.
- 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.
- 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. doi:10.2110/jsr.69.909. Retrieved 22 September 2015.
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