Todilto Formation

Todilto Formation
Stratigraphic range: Callovian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Small hill capped with gypsum beds of the Todilto Formation
Type	Formation
Sub-units	Luciano Mesa Member, Tonque Arroyo Member
Underlies	Beclabito Formation
Overlies	Entrada Formation
Thickness	70 m (230 ft)
Lithology
Primary	Gypsum
Other	Calcareous shale
Location
Coordinates	35°54′40″N 108°57′22″W / 35.911°N 108.956°W / 35.911; -108.956
Region	New Mexico
Country	United States
Type section
Named for	Todilto Park, San Juan Basin
Named by	Herbert E. Gregory
Todilto Formation (the United States) Show map of the United States Todilto Formation (New Mexico) Show map of New Mexico

The Todilto Formation is a geologic formation in northern New Mexico and southeastern Colorado. It preserves fossils dating back to the Callovian stage of the middle Jurassic period.