Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological eon
|
| gptkbp:contains |
oldest known rocks on Earth
|
| gptkbp:dividedInto |
gptkb:Eoarchean
gptkb:Mesoarchean gptkb:Neoarchean gptkb:Paleoarchean |
| gptkbp:duration |
1,500 million years
|
| gptkbp:endDate |
2,500 million years ago
|
| gptkbp:followedBy |
gptkb:Proterozoic
|
| https://www.w3.org/2000/01/rdf-schema#label |
Archaean
|
| gptkbp:notableFor |
stromatolites
emergence of life anoxic atmosphere formation of first continental crust |
| gptkbp:partOf |
gptkb:Precambrian
|
| gptkbp:precededBy |
gptkb:Hadean
|
| gptkbp:startDate |
4,000 million years ago
|
| gptkbp:type |
gptkb:eonothem
|
| gptkbp:bfsParent |
gptkb:Lewisian_gneiss
|
| gptkbp:bfsLayer |
7
|