Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geological_formation
|
| gptkbp:duration |
600 million years
|
| gptkbp:endDate |
1.0 billion years ago
|
| gptkbp:followedBy |
gptkb:Neoproterozoic_era
|
| gptkbp:fossil |
stromatolites common
|
| gptkbp:notableEvent |
appearance of red algae
assembly of Rodinia supercontinent breakup of Columbia supercontinent evolution of sexual reproduction |
| gptkbp:partOf |
gptkb:Proterozoic_Eon
|
| gptkbp:precededBy |
gptkb:Paleoproterozoic_era
|
| gptkbp:startDate |
1.6 billion years ago
|
| gptkbp:subdivision |
Stenian period
Calymmian period Ectasian period |
| gptkbp:bfsParent |
gptkb:Proterozoic_era
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mesoproterozoic era
|