Portlandian (in British stratigraphy)
GPTKB entity
Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:category |
gptkb:Upper_Jurassic
|
| gptkbp:endDate |
145 million years ago
|
| gptkbp:followedBy |
Kimmeridgian (in British stratigraphy)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Portlandian (in British stratigraphy)
|
| gptkbp:namedAfter |
gptkb:Isle_of_Portland
|
| gptkbp:partOf |
gptkb:Jurassic_period
|
| gptkbp:period |
152.1 million years ago
|
| gptkbp:precededBy |
gptkb:Berriasian
|
| gptkbp:relatedTo |
Tithonian (international stratigraphy)
|
| gptkbp:usedIn |
British stratigraphy
|
| gptkbp:bfsParent |
gptkb:Tithonian
|
| gptkbp:bfsLayer |
7
|