Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:characterizedBy |
breakup of supercontinent Rodinia
|
| gptkbp:duration |
280 million years
|
| gptkbp:endDate |
720 million years ago
|
| gptkbp:followedBy |
gptkb:Cryogenian_period
|
| gptkbp:heldBy |
gptkb:Precambrian_Supereon
gptkb:Proterozoic_Eon |
| https://www.w3.org/2000/01/rdf-schema#label |
Tonian period
|
| gptkbp:namedAfter |
Greek word 'tonos' meaning 'stretch'
|
| gptkbp:notableFor |
early evolution of eukaryotes
first appearance of multicellular life |
| gptkbp:partOf |
gptkb:Neoproterozoic_Era
|
| gptkbp:precededBy |
Stenian period
|
| gptkbp:startDate |
1000 million years ago
|
| gptkbp:stratigraphicUnitOf |
gptkb:historical_period
|
| gptkbp:bfsParent |
gptkb:Cryogenian_period
|
| gptkbp:bfsLayer |
7
|