Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:category |
Geological ages of the United Kingdom
Jurassic geochronology |
| gptkbp:followedBy |
Kimmeridgian (British Isles)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Portlandian (British Isles)
|
| gptkbp:namedAfter |
gptkb:Isle_of_Portland
|
| gptkbp:overlies |
Kimmeridgian (British Isles)
|
| gptkbp:partOf |
gptkb:Late_Jurassic
|
| gptkbp:period |
152.1–145 million years ago
|
| gptkbp:precededBy |
gptkb:Tithonian
|
| gptkbp:relatedTo |
Tithonian (International)
|
| gptkbp:underlies |
Berriasian (British Isles)
|
| gptkbp:usedIn |
British stratigraphy
|
| gptkbp:bfsParent |
gptkb:Tithonian_age
|
| gptkbp:bfsLayer |
7
|