Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:beganIn |
about 174.1 million years ago
|
| gptkbp:continent |
global
|
| gptkbp:endDate |
about 170.3 million years ago
|
| gptkbp:followedBy |
Toarcian Stage
|
| https://www.w3.org/2000/01/rdf-schema#label |
Aalenian Stage
|
| gptkbp:lowerBoundaryDefinedBy |
first appearance of the ammonite genus Leioceras
|
| gptkbp:namedAfter |
gptkb:Aalen
|
| gptkbp:partOf |
gptkb:Middle_Jurassic
|
| gptkbp:precededBy |
Bajocian Stage
|
| gptkbp:stratigraphicUnitOf |
gptkb:theatre
age |
| gptkbp:stratotypeLocation |
gptkb:Aalen,_Germany
|
| gptkbp:upperBoundaryDefinedBy |
first appearance of the ammonite genus Hyperlioceras
|
| gptkbp:usedIn |
gptkb:International_Commission_on_Stratigraphy_timescale
|
| gptkbp:bfsParent |
gptkb:Aalenian
|
| gptkbp:bfsLayer |
7
|