Statements (26)
Predicate | Object |
---|---|
gptkbp:instanceOf |
geological eon
|
gptkbp:contains |
gptkb:Archean_Eon
gptkb:Hadean_Eon gptkb:Proterozoic_Eon |
gptkbp:covers |
about 88% of Earth's history
|
gptkbp:dividedInto |
gptkb:Archean_Eon
gptkb:Hadean_Eon gptkb:Proterozoic_Eon |
gptkbp:duration |
about 4 billion years
|
gptkbp:endDate |
about 541 million years ago
|
gptkbp:followedBy |
gptkb:Phanerozoic_Eon
|
https://www.w3.org/2000/01/rdf-schema#label |
Precambrian Eon
|
gptkbp:notableFor |
gptkb:Ediacaran_biota
origin of life formation of Earth first multicellular life rise of atmospheric oxygen first photosynthetic organisms |
gptkbp:precededBy |
none
|
gptkbp:significantEvent |
gptkb:Snowball_Earth_events
gptkb:Great_Oxidation_Event formation of continental crust |
gptkbp:startDate |
about 4.6 billion years ago
|
gptkbp:type |
supereon
|
gptkbp:bfsParent |
gptkb:Indian_Shield
|
gptkbp:bfsLayer |
7
|