Moenkopi Formation
E562092
The Moenkopi Formation is a widespread Triassic-age sedimentary rock unit of the southwestern United States, known for its reddish-brown mudstones and sandstones that record ancient river, tidal, and shallow marine environments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Moenkopi Formation canonical | 3 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| chronostratigraphicUnit |
Lower Triassic
NERFINISHED
ⓘ
Middle Triassic NERFINISHED ⓘ |
| color | reddish-brown ⓘ |
| containsFossilsOf |
amphibians
ⓘ
fish ⓘ invertebrates ⓘ plant remains ⓘ reptiles ⓘ tetrapod trackways ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalEnvironment |
fluvial
ⓘ
shallow marine ⓘ tidal ⓘ |
| exposedIn |
Capitol Reef National Park region
NERFINISHED
ⓘ
Grand Canyon region NERFINISHED ⓘ Zion National Park region NERFINISHED ⓘ |
| geologicAge | Triassic ⓘ |
| hasMember |
Ali Baba Member
ⓘ
Black Dragon Member ⓘ Holbrook Member NERFINISHED ⓘ Shnabkaib Member NERFINISHED ⓘ Sinbad Limestone Member NERFINISHED ⓘ Tenderfoot Member ⓘ Timpoweap Member NERFINISHED ⓘ Torrey Member NERFINISHED ⓘ Virgin Limestone Member NERFINISHED ⓘ |
| knownFor | well-preserved vertebrate trackways ⓘ |
| lithology |
mudstone
ⓘ
sandstone ⓘ |
| namedBy | G. K. Gilbert NERFINISHED ⓘ |
| namedFor | Moenkopi Wash NERFINISHED ⓘ |
| overlies | Kaibab Formation NERFINISHED ⓘ |
| partOf |
Colorado Plateau
NERFINISHED
ⓘ
Southwestern United States NERFINISHED ⓘ |
| period |
Early Triassic
ⓘ
Middle Triassic ⓘ |
| primarySedimentaryStructures |
cross-bedding
ⓘ
mud cracks ⓘ ripple marks ⓘ |
| region |
Arizona
NERFINISHED
ⓘ
Colorado NERFINISHED ⓘ Nevada NERFINISHED ⓘ New Mexico NERFINISHED ⓘ Utah NERFINISHED ⓘ |
| stratigraphicUnitOf | Colorado Plateau sedimentary sequence ⓘ |
| thickness | up to several hundred meters ⓘ |
| underlies | Chinle Formation NERFINISHED ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.