Price River Formation | |
---|---|
Stratigraphic range: Cretaceous | |
Type | Formation |
Lithology | |
Primary | sandstone, siltstone |
Location | |
Region | Utah |
Country | United States |
The Price River Formation is a geologic formation in Utah. It preserves fossils dating back to the Cretaceous period. The Price River Formation is approximately 200 metres (660 ft) thick at its type locality ( Price River Canyon) and consists of cliff-forming sandstone and siltstone visible in the Book Cliffs. [1]
Irregularly bedded light-gray to gray, and grayish-brown to dark-gray beds of sheet sandstone, plus some beds of conglomerate and conglomeratic sandstone; sparse mudstone beds as well. The crossbedded sandstones are generally thin bedded to massive, and commonly thick bedded. Beds alternate irregularly to form steep, steplike slopes. Ranges in thickness from 9 to 75 m (30–250 ft). Fluvial in origin. This unit is equivalent, in part, to the Tuscher and Farrer Formations of the eastern Book Cliffs. [2]
Fossil pollen (palynomorphs) indicate a late Campanian (Late Cretaceous) age . [3]
Price River Formation | |
---|---|
Stratigraphic range: Cretaceous | |
Type | Formation |
Lithology | |
Primary | sandstone, siltstone |
Location | |
Region | Utah |
Country | United States |
The Price River Formation is a geologic formation in Utah. It preserves fossils dating back to the Cretaceous period. The Price River Formation is approximately 200 metres (660 ft) thick at its type locality ( Price River Canyon) and consists of cliff-forming sandstone and siltstone visible in the Book Cliffs. [1]
Irregularly bedded light-gray to gray, and grayish-brown to dark-gray beds of sheet sandstone, plus some beds of conglomerate and conglomeratic sandstone; sparse mudstone beds as well. The crossbedded sandstones are generally thin bedded to massive, and commonly thick bedded. Beds alternate irregularly to form steep, steplike slopes. Ranges in thickness from 9 to 75 m (30–250 ft). Fluvial in origin. This unit is equivalent, in part, to the Tuscher and Farrer Formations of the eastern Book Cliffs. [2]
Fossil pollen (palynomorphs) indicate a late Campanian (Late Cretaceous) age . [3]