Morrison Formation

Unit Attributes

Lithology (n = 84)

Environment (n = 202)

Economic (n = 210)

Paleontology (1,354 occurrences)

Summary Statistics

58Rock Units
50Columns
1,419,774Total Area (km2)
13.12Mean Duration (Ma)
290Fossil Collections
410Fossil Taxa
K
J
Tr
Maastrichtian
Campanian
Santonian
Coniacian
Turonian
Cenomanian
Albian
Aptian
Barremian
Hauterivian
Valanginian
Berriasian
Tithonian
Kimmeridgian
Oxfordian
Callovian
Bathonian
Bajocian
Aalenian
Toarcian
Pliensbachian
Sinemurian
Hettangian
Rhaetian
Norian
Carnian
Ladinian
Anisian
Early Triassic

Hierarchy of Stratigraphic Nomenclature

Morrison Fm
(47 units)
Recapture Shale Mbr
(1 units)
Salt Wash Mbr
(4 units)
Westwater Canyon Mbr
(2 units)
Brushy Basin Mbr
(3 units)
Recapture Mbr
(1 units)