Avalonia
E147213
Avalonia was a Paleozoic microcontinent that rifted from Gondwana and later collided with Laurentia and Baltica, helping to form parts of present-day Europe and North America.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Avalonia canonical | 14 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geological terrane
ⓘ
microcontinent ⓘ paleocontinent ⓘ |
| collidedWith |
Baltica
ⓘ
Laurentia ⓘ |
| collisionEventType | continental collision ⓘ |
| collisionResultedIn |
closure of Iapetus Ocean
ⓘ
mountain building in North Atlantic region ⓘ |
| contains |
Avalonia microcontinent
ⓘ
surface form:
Avalon terrane
Midland Valley terrane (locally, structurally) ⓘ
surface form:
Midlands Microcraton-related terranes
|
| containsRockTypes |
igneous rocks
ⓘ
metamorphic rocks ⓘ sedimentary rocks ⓘ |
| contributedToFormationOf |
Euramerica
ⓘ
Laurussia ⓘ |
| geologicalAgeRange | Late Precambrian to Paleozoic ⓘ |
| hasFossilRecord | Paleozoic marine fossils ⓘ |
| importantFor |
reconstruction of Paleozoic paleogeography
ⓘ
understanding Caledonian–Appalachian orogenic belt ⓘ |
| locatedInGeologicalTime |
Paleozoic Era
ⓘ
surface form:
Paleozoic
|
| movedTowards |
Baltica
ⓘ
Laurentia ⓘ |
| namedAfter | Avalon Peninsula ⓘ |
| orogenyAssociatedWith |
Acadian orogeny
ⓘ
Caledonian orogeny ⓘ |
| paleogeographicAffinity | Gondwana-derived ⓘ |
| partOfSupercontinentCycle | assembly of Laurussia ⓘ |
| presentDayRemnantsIn |
British Isles
ⓘ
Europe ⓘ Maritime Canada ⓘ New England ⓘ North America ⓘ parts of Central Europe ⓘ |
| presentInCountry |
Canada
ⓘ
Ireland ⓘ United Kingdom ⓘ United States of America ⓘ
surface form:
United States
|
| recognizedBy |
faunal provinciality patterns
ⓘ
paleomagnetic data ⓘ stratigraphic correlations across Atlantic ⓘ |
| riftedDuring | Early Paleozoic ⓘ |
| riftedFrom | Gondwana ⓘ |
| riftEventType | continental rifting ⓘ |
| roleInPlateTectonics | independent Paleozoic plate or microplate ⓘ |
| separatedByOceanFrom | Gondwana ⓘ |
| separatedFrom | Gondwana ⓘ |
| separationOceanName | Rheic Ocean ⓘ |
| tectonicSettingOrigin | peri-Gondwanan terrane ⓘ |
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Laurussia
subject surface form:
Laurussia