Wopmay orogeny
E542694
Wopmay orogeny was a Paleoproterozoic mountain-building event that deformed the western margin of the ancient North American craton, providing key evidence for early plate tectonic processes.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
geological event
ⓘ
orogeny ⓘ |
| affectedRegion |
Northwest Territories, Canada
NERFINISHED
ⓘ
northwestern Canadian Shield ⓘ |
| continentAffected |
Laurentia
NERFINISHED
ⓘ
North American craton NERFINISHED ⓘ |
| country | Canada ⓘ |
| deformed |
western margin of the Archean Slave craton
ⓘ
western margin of the North American craton ⓘ |
| endTime | approximately 1.88 billion years ago ⓘ |
| geologicalAge | Paleoproterozoic ⓘ |
| hasComponent |
Coronation margin
NERFINISHED
ⓘ
Great Bear magmatic zone NERFINISHED ⓘ Hottah terrane NERFINISHED ⓘ Wopmay fault zone NERFINISHED ⓘ |
| hasProcess |
crustal shortening
ⓘ
folding ⓘ magmatism ⓘ metamorphism ⓘ thrust faulting ⓘ |
| hasSignificance |
constrains timing of early plate convergence on Earth
ⓘ
helps reconstruct early Proterozoic configuration of Laurentia ⓘ key example of Paleoproterozoic orogenic systems ⓘ |
| hasTectonicSetting |
continental margin orogeny
ⓘ
plate collision ⓘ |
| hostRockAge | Archean basement ⓘ |
| isExampleOf |
Proterozoic mountain-building event
ⓘ
early Proterozoic continental assembly ⓘ |
| isOverlainBy | younger Proterozoic sedimentary sequences ⓘ |
| namedAfter | Wopmay River NERFINISHED ⓘ |
| orogenType | collisional orogen ⓘ |
| overprints | older Archean structures ⓘ |
| partOf | Proterozoic orogenies ⓘ |
| providesEvidenceFor |
Proterozoic plate convergence
ⓘ
Wilson cycle processes in the Paleoproterozoic ⓘ early plate tectonics ⓘ |
| resultedIn |
development of foreland basin deposits
ⓘ
formation of a Paleoproterozoic mountain belt ⓘ thickening of continental crust ⓘ |
| startTime | approximately 1.97 billion years ago ⓘ |
| studiedInDiscipline |
Precambrian geology
ⓘ
structural geology ⓘ tectonics ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.