supercontinent Rodinia

E43459

ancient landmass supercontinent

Rodinia was an ancient supercontinent that assembled during the Proterozoic Eon and existed before the later supercontinent Pangaea, profoundly influencing Earth’s early tectonic and climatic evolution.

Aliases (1)

Rodinia ×52

Statements (49)

Predicate	Object
instanceOf	ancient landmass → supercontinent →
affected	atmospheric composition → global ocean circulation → nutrient delivery to oceans →
assembledDuring	Proterozoic Eon →
assemblyLinkedTo	Grenville orogenic belt →
assemblyTimeInterval	1.3–0.9 billion years ago →
associatedWith	Grenville orogeny →
breakupLinkedTo	Neoproterozoic glaciations → Neoproterozoic rifting → Snowball Earth events →
breakupTimeInterval	900–700 million years ago →
brokeUpApproximately	750 million years ago → 900 million years ago →
contains	Amazonia craton (in many models) → Antarctica craton (in many models) → Australia craton (in many models) → Baltica craton (in many models) → Kalahari craton (in many models) → Laurentia craton → Siberia craton (in some models) → South China craton (in some models) → cratonic blocks →
continentType	supercontinent →
durationEstimate	several hundred million years →
followedBy	Gondwana supercontinent → Pangaea supercontinent → Pannotia supercontinent →
formedApproximately	1.1 billion years ago → 1.3 billion years ago →
geologicalEon	Proterozoic Eon →
hasUncertainConfiguration	true →
influenced	Earth climatic evolution → Earth tectonic evolution →
locatedIn	Southern Hemisphere (reconstructed position) →
nameMeaning	“to give birth” in Russian (rodina) →
nameProposedBy	Mark W. McMenamin →
partOf	Earth supercontinent cycle → Neoproterozoic supercontinent cycle →
precededBy	Columbia supercontinent →
precedes	Gondwana → Pangaea → Pannotia →
recognizedIn	plate tectonic reconstructions of the Proterozoic →
reconstructedUsing	geological correlations → orogenic belts → paleomagnetic data →
relatedTo	evolution of early eukaryotes (indirectly) →

Referenced by (4)

Subject (surface form when different)	Predicate
Columbia ("Rodinia") → Nuna ("Rodinia") →	predates
Proterozoic Eon →	includes
Columbia ("Rodinia") →	precedesInSequence