Sandstone
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Description:
A sample of dark gray and brown shaly sandstone with Orthis Dalmanella testudinaria collected opposite Poughkeepsie, c. 1907. From the Ordovician (Cincinnatian) horizon, Hudson River formation.
- Site: NY; Ulster Co.
- Site Number: NH74E
- Era: Paleozoic
- Period: Ordovician
- Rock type: Sedimentary
- Fossils: Invertebrates
- Formation: Hudson River
- Collection: Geology Collection
- Object Name: Sedimentary Rock
- Object Id: GR690
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