Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
supercontinent
|
| gptkbp:alsoKnownAs |
gptkb:Nuna
|
| gptkbp:brokenBy |
about 1.3 billion years ago
|
| gptkbp:consistsOf |
cratons of Laurentia
cratons of Amazonia cratons of Australia cratons of Baltica cratons of India cratons of Kalahari cratons of Siberia |
| gptkbp:followedBy |
gptkb:Rodinia
|
| gptkbp:formed |
about 1.8 billion years ago
|
| gptkbp:geologicalAge |
gptkb:Mesoproterozoic
gptkb:Paleoproterozoic |
| https://www.w3.org/2000/01/rdf-schema#label |
Columbia (supercontinent)
|
| gptkbp:precededBy |
gptkb:Kenorland
|
| gptkbp:proposedBy |
1997
John J.W. Rogers |
| gptkbp:significance |
one of Earth's earliest supercontinents
|
| gptkbp:bfsParent |
gptkb:Kenorland
|
| gptkbp:bfsLayer |
8
|