Saltwick Formation

The Saltwick Formation is a Middle Jurassic geologic formation in Yorkshire and the western North Sea. It is primarily Aalenian in age. Fossil footprints, assigned to the tetrapod ichnogenus Characichnos, as well as stegosaur tracks have been reported from the formation.^[1][2] An indeterminate sauropod, nicknamed Alan, has also been reported from the formation.^[3]

Saltwick Formation
Stratigraphic range: Aalenian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Exposure of the Saltwick Formation at Eston Nab Quarry
Type	Geological formation
Unit of	Ravenscar Group
Underlies	Eller Beck Formation
Overlies	Dogger Formation
Thickness	up to 50 m, thinning to 5-10 m
Lithology
Primary	Mudstone, Siltstone, Sandstone
Other	Ironstone
Location
Region	Europe
Country	UK
Extent	Cleveland Basin, Yorkshire
Type section
Named for	Saltwick Bay

See also

• Earth sciences portal
• Paleontology portal
• Dinosaurs portal

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with ornithischian tracks
    • Stegosaur tracks