Exeter Sandstone

Exeter Sandstone
Stratigraphic range: middle Jurassic
Exeter Formation capping Steamboat Butte, New Mexico, US
TypeFormation
Unit ofDockum Group
UnderliesBell Ranch Formation
OverliesSheep Pen Sandstone
Thickness24 meters (79 ft)
Lithology
PrimarySandstone
Location
Coordinates36°58′32″N 103°12′22″W / 36.9756°N 103.2060°W / 36.9756; -103.2060
RegionColorado
New Mexico
CountryUnited States
Type section
Named forExter Post Office
Named byW.T. Lee
Year defined1902
Exeter Sandstone is located in the United States
Exeter Sandstone
Exeter Sandstone (the United States)
Exeter Sandstone is located in New Mexico
Exeter Sandstone
Exeter Sandstone (New Mexico)

The Exeter Sandstone is a geologic formation exposed in northeastern New Mexico.[1] Its age is poorly controlled, but it is thought to have been deposited during the middle Jurassic.[2]