Statements (21)
Predicate | Object |
---|---|
gptkbp:instanceOf |
geological formation
|
gptkbp:atmosphericChange |
rise in atmospheric oxygen
|
gptkbp:characteristicLife |
prokaryotes
early eukaryotes |
gptkbp:duration |
900 million years
|
gptkbp:endDate |
1.6 billion years ago
|
gptkbp:followedBy |
gptkb:Mesoproterozoic_Era
|
https://www.w3.org/2000/01/rdf-schema#label |
Paleoproterozoic Era
|
gptkbp:notableEvent |
gptkb:Great_Oxidation_Event
first known glaciations formation of supercontinent Columbia |
gptkbp:partOf |
gptkb:Proterozoic_Eon
|
gptkbp:precededBy |
gptkb:Archean_Eon
|
gptkbp:startDate |
2.5 billion years ago
|
gptkbp:subdivision |
gptkb:Orosirian_Period
gptkb:Rhyacian_Period gptkb:Siderian_Period gptkb:Statherian_Period |
gptkbp:bfsParent |
gptkb:Proterozoic_Eon
gptkb:Baltica |
gptkbp:bfsLayer |
6
|