Ludlowville Formation

Ludlowville Formation
Stratigraphic range: Devonian
Monodechenella macrocephala, Houston Museum of Natural Science
TypeFormation
Unit ofHamilton Group
Sub-units
  • Owasco Shale
  • Jaycox Formation
  • Spafford Shale
  • Wanakah Shale
  • Ledyard Shale
  • Otisco Shale
  • Centerfield Member
UnderliesMoscow Formation
OverliesSkaneateles Formation
Lithology
PrimaryShale
OtherLimestone, Mudstone, Claystone
Location
RegionMaryland
New York
Ohio
Pennsylvania
West Virginia
CountryUnited States
Type section
Named forNamed from exposures at Ludlowville, Tompkins Co.
Named byJames 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.