Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological eon
|
| gptkbp:category |
gptkb:Precambrian
gptkb:Geological_time_scale |
| gptkbp:contains |
no known life
oldest known minerals (zircons) |
| gptkbp:duration |
about 600 million years
|
| gptkbp:endDate |
about 4 billion years ago
|
| gptkbp:followedBy |
gptkb:Archean_eon
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hadean eon
|
| gptkbp:namedAfter |
gptkb:Hades
|
| gptkbp:partOf |
gptkb:Precambrian_supereon
|
| gptkbp:precededBy |
none
|
| gptkbp:recognizedBy |
gptkb:International_Commission_on_Stratigraphy
|
| gptkbp:significantEvent |
formation of Earth
formation of Earth's crust formation of Earth's oceans formation of the Moon heavy bombardment |
| gptkbp:startDate |
about 4.6 billion years ago
|
| gptkbp:bfsParent |
gptkb:Precambrian_supereon
gptkb:Precambrian_period |
| gptkbp:bfsLayer |
6
|