Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:contains |
gptkb:Siderian_glaciation
|
| gptkbp:endDate |
2.8 billion years ago
|
| gptkbp:followedBy |
gptkb:Paleoarchean
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mesoarchean
|
| gptkbp:notableEvent |
emergence of cyanobacteria
evidence of early life formation of early continents |
| gptkbp:partOf |
gptkb:Archean_Eon
|
| gptkbp:precededBy |
gptkb:Neoarchean
|
| gptkbp:startDate |
3.2 billion years ago
|
| gptkbp:bfsParent |
gptkb:Archean
|
| gptkbp:bfsLayer |
6
|