Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geological_formation
|
| gptkbp:beganIn |
11.63 million years ago
|
| gptkbp:definedIn |
first appearance of planktonic foraminifera species Globigerinoides subquadratus
|
| gptkbp:duration |
4.384 million years
|
| gptkbp:endDate |
7.246 million years ago
|
| gptkbp:followedBy |
gptkb:Serravallian_stage
|
| gptkbp:GSSPYearRatified |
2003
|
| gptkbp:location |
gptkb:Monte_dei_Corvi,_Ancona,_Italy
|
| gptkbp:namedAfter |
gptkb:Tortona
|
| gptkbp:partOf |
gptkb:Miocene_epoch
|
| gptkbp:precededBy |
gptkb:Messinian_stage
|
| gptkbp:relatedTo |
gptkb:Upper_Miocene_(regional_stages)
|
| gptkbp:stratigraphicUnitOf |
gptkb:theatre
age |
| gptkbp:usedIn |
gptkb:International_Commission_on_Stratigraphy_timescale
|
| gptkbp:bfsParent |
gptkb:Messinian_Salinity_Crisis
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Tortonian stage
|