Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geological_formation
|
| gptkbp:age |
gptkb:Late_Devonian
|
| gptkbp:country |
gptkb:Canada
gptkb:United_States |
| gptkbp:fossil |
brachiopods
conodonts ostracods |
| gptkbp:geologicalAge |
gptkb:Devonian
|
| gptkbp:locatedIn |
gptkb:Canada
gptkb:North_America gptkb:United_States |
| gptkbp:namedFor |
Birdbear Mountain
H.D. Thomas |
| gptkbp:overlies |
Duperow Formation
|
| gptkbp:partOf |
gptkb:Devonian_System
|
| gptkbp:primaryLithology |
gptkb:limestone
gptkb:dolomite |
| gptkbp:region |
gptkb:Williston_Basin
|
| gptkbp:stratigraphicUnitOf |
gptkb:Williston_Basin
|
| gptkbp:thickness |
up to 30 meters
|
| gptkbp:underlies |
gptkb:Bakken_Formation
|
| gptkbp:yearNamed |
1954
|
| gptkbp:bfsParent |
gptkb:Three_Forks_Formation
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
Birdbear Formation
|