breakup of Rodinia
E790078
The breakup of Rodinia was a major Neoproterozoic tectonic event in which the ancient supercontinent fragmented into separate landmasses, profoundly influencing global climate, ocean circulation, and the subsequent assembly of later supercontinents.
All labels observed (1)
| Label | Occurrences |
|---|---|
| breakup of Rodinia canonical | 2 |
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
supercontinent breakup
ⓘ
tectonic event ⓘ |
| associatedWith |
Marinoan glaciation
NERFINISHED
ⓘ
Neoproterozoic glaciations NERFINISHED ⓘ Neoproterozoic oxygenation events ⓘ Snowball Earth events NERFINISHED ⓘ Sturtian glaciation NERFINISHED ⓘ evolutionary diversification of early eukaryotes ⓘ |
| followedBy |
assembly of Gondwana
ⓘ
assembly of Pangaea NERFINISHED ⓘ assembly of Pannotia ⓘ |
| hasConsequence |
assembly of later supercontinents
ⓘ
changes in global climate ⓘ changes in global ocean circulation ⓘ development of new ocean gateways ⓘ formation of separate continental blocks ⓘ fragmentation of the supercontinent Rodinia ⓘ initiation of new subduction zones ⓘ reorganization of global plate motions ⓘ |
| hasEffectOn |
continental weathering rates
ⓘ
global carbon cycle ⓘ marine sedimentation patterns ⓘ nutrient flux to oceans ⓘ paleogeography of Neoproterozoic Earth ⓘ |
| hasEndTime | approximately 600 million years ago ⓘ |
| hasPhase |
development of passive continental margins
ⓘ
initial rifting of continental margins ⓘ ocean basin opening ⓘ |
| hasPrimaryEvidence |
paleomagnetic data from continental blocks
ⓘ
passive margin sedimentary sequences ⓘ rift-related volcanic rocks ⓘ |
| hasStartTime | approximately 800 million years ago ⓘ |
| hasUncertainty |
exact configuration of Rodinia prior to breakup
ⓘ
exact timing of rifting events on different margins ⓘ |
| involves |
development of passive margins
ⓘ
formation of new oceanic crust ⓘ large igneous province magmatism ⓘ mantle upwelling ⓘ rifting of continental lithosphere ⓘ seafloor spreading ⓘ |
| occursIn | Neoproterozoic Era NERFINISHED ⓘ |
| partOf | Neoproterozoic tectonic evolution NERFINISHED ⓘ |
| produces |
extensional tectonic structures
ⓘ
new ocean basins ⓘ rift-related sedimentary basins ⓘ |
| studiedBy |
geochronology
ⓘ
paleomagnetism ⓘ plate tectonics ⓘ sedimentology ⓘ structural geology ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.