Wahweap Formation

Wahweap Formation
Stratigraphic range: Campanian, 82.2–77.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Wahweap Formation, Grand Staircase–Escalante National Monument, Utah
Type	Geological formation
Unit of	Kaiparowits Plateau
Sub-units	Last Chance Creek Member, Reynolds Point Member, Coyote Point Member, Pardner Canyon Member
Underlies	Kaiparowits Formation
Overlies	Straight Cliffs Formation
Lithology
Primary	sandstone
Location
Coordinates	37°30′N 111°42′W / 37.5°N 111.7°W / 37.5; -111.7
Region	North America
Country	USA
Extent	Southern Utah, Northern Arizona
Type section
Named for	Wahweap Creek

The Wahweap Formation of the Grand Staircase–Escalante National Monument is a geological formation in southern Utah and northern Arizona, around the Lake Powell region, whose strata date back to the Late Cretaceous (Campanian stage). Dinosaur remains are among the fossils that have been recovered from the formation.^[1]