Limestone
![](/assets/images/timthumb/timthumb.php?1717520608&w=800&h=&src=/assets/images/collection/140/gr862-2.jpg)
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Description:
A sample of very dark gray limestone, tentaculite (Manilus) collected from the Lower Helderberg group, Silurian horizon near High Falls, New York in 1872.
- Site: NY; Ulster Co.
- Site Number: NH74E
- Era: Paleozoic
- Period: Silurian
- Kingdom: Animalia
- Class: Tentaculita
- Order: Tentaculitida
- Family: Tentaculitidae
- Genus: Tentaculites
- Rock type: Sedimentary
- Fossils: Invertebrates
- Formation: Tentaculite (Manlius)
- Collection: Geology Collection
- Object Name: Sedimentary Rock
- Object Id: GR862
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