supercontinent Columbia (Nuna)
E42696
Supercontinent Columbia (also known as Nuna) was an ancient landmass that assembled in the Paleoproterozoic and represents one of Earth’s earliest known supercontinents, predating Rodinia and Pangaea.
Aliases (4)
- Columbia ×25
- Nuna ×24
- Columbia supercontinent ×1
- Rodinia ×1
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
supercontinent
→
supercontinent → |
| alsoKnownAs |
Columbia
→
Nuna → |
| approximateAssemblyAgeMa |
1800
→
1800 → 2100 → 2100 → |
| approximateBreakupAgeMa |
1300
→
1300 → 1500 → 1500 → |
| centeredOn |
Laurentia
→
Laurentia → |
| containsCraton |
Amazonia
→
Amazonia → Australia → Australia → Baltica → Baltica → India → India → Kalahari Craton → Kalahari Craton → Laurentia → Laurentia → North China Craton → North China Craton → Siberian Craton → Siberian Craton → West African Craton → West African Craton → |
| evidenceType |
geological correlations
→
geological correlations → paleomagnetic data → paleomagnetic data → |
| formedIn |
Paleoproterozoic eon
→
Paleoproterozoic eon → |
| oneOfEarliestKnown |
Earth supercontinents
→
Earth supercontinents → |
| partOf |
supercontinent cycle
→
supercontinent cycle → |
| precedesInSequence |
Pangaea
→
Rodinia → |
| predates |
Pangaea
→
Pangaea → Rodinia → Rodinia → |
| status |
hypothesized reconstruction
→
hypothesized reconstruction → |
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
Proterozoic Eon
→
|
includes |
|
Rodinia
("Columbia supercontinent")
→
|
precededBy |