State | Arizona |
---|---|
Name | Morrison Formation |
Geologic age | Late Jurassic |
Lithologic constituents |
Major
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Clastic > Sandstone (Lens)
Sedimentary > Clastic > Mudstone (Bed)
Minor
Sedimentary > Clastic > Mudstone > Shale (Bed)
|
Stratigraphic units | Morrison Formation |
References | Richard, S.M., Reynolds, S.J., Spencer, J.E., and Pearthree, P.A., 2000, Geologic Map of Arizona: Arizona Geological Survey Map 35, 1 sheet, scale 1:1,000,000.Blakey, R.C., 1989, Triassic and Jurassic geology of the southern Colorado Plateau, in Jenney, J.P., and Reynolds, S.J., editors, Geologic evolution of Arizona: Arizona Geological Society Digest 17, p. 369-396. |
NGMDB product | |
Counties | Apache - Coconino - Navajo |