Ludlowville Formation
| Ludlowville Formation | |
|---|---|
| Stratigraphic range: Devonian | |
Monodechenella macrocephala, Houston Museum of Natural Science | |
| Type | Formation |
| Unit of | Hamilton Group |
| Sub-units |
|
| Underlies | Moscow Formation |
| Overlies | Skaneateles Formation |
| Lithology | |
| Primary | Shale |
| Other | Limestone, Mudstone, Claystone |
| Location | |
| Region | Maryland New York Ohio Pennsylvania West Virginia |
| Country | United States |
| Type section | |
| Named for | Named from exposures at Ludlowville, Tompkins Co. |
| Named by | James Hall, 1839 |
Geographic extent of the Ludlowville Formation | |
The Ludlowville Formation is a geologic formation in New York, Ohio and Pennsylvania. It is the Middle Formation of the Hamilton Group. It dates to the Devonian period. The Ludlowville is bound by an upper and lower limestone. At its base and its lowest member is the Centerfield. Just above the Ludlowville and is the lowest member of the Moscow Formation is the Tichenor Limestone. This formation is noted for its abundance of shallow marine fossils.