Fort Union Formation
E364207
The Fort Union Formation is a widespread Paleocene sedimentary rock unit in the northern Great Plains of the United States, known for its coal beds and important fossil flora and fauna that record early Cenozoic terrestrial environments.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fort Union Formation canonical | 2 |
| Fort Union Group | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| age |
early Paleocene
ⓘ
late Paleocene ⓘ middle Paleocene ⓘ |
| belongsTo |
Fort Union Formation
self-linksurface differs
ⓘ
surface form:
Fort Union Group
|
| color |
brown
ⓘ
gray ⓘ |
| contains |
channel sand bodies
ⓘ
coal beds ⓘ floodplain mudstones ⓘ paleosols ⓘ |
| containsFossilsOf |
freshwater mollusks
ⓘ
mammals ⓘ plants ⓘ reptiles ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalEnvironment |
fluvial
ⓘ
lacustrine ⓘ paludal ⓘ |
| economicImportance |
coal resource
ⓘ
hydrocarbon source rock ⓘ |
| exposedIn |
Colorado
ⓘ
Montana ⓘ North Dakota ⓘ South Dakota ⓘ Wyoming ⓘ |
| geologicPeriod | Paleocene ⓘ |
| geologicTimeScale | Cenozoic ⓘ |
| knownFor |
fossil fauna
ⓘ
fossil flora ⓘ thick coal seams ⓘ |
| lithology |
carbonaceous shale
ⓘ
coal ⓘ sandstone ⓘ shale ⓘ siltstone ⓘ |
| locatedIn | northern Great Plains ⓘ |
| namedFor | Fort Union ⓘ |
| overlies | Hell Creek Formation ⓘ |
| paleoclimateEvidence |
humid conditions
ⓘ
warm temperate conditions ⓘ |
| partOf | Williston Basin ⓘ |
| records | early Cenozoic terrestrial environments ⓘ |
| stratigraphicUnitOf |
Western North America
ⓘ
surface form:
Western Interior of North America
|
| underlies | Wasatch Formation ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fort Union Group