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

How this entity was disambiguated

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 Avalon terrane
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
linked to: Paleozoic Era
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
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

How these facts were elicited

Referenced by (14)

Full triples — surface form annotated when it differs from this entity's canonical label.

Iapetus Ocean separated Avalonia
Laurussia formedByCollisionOf Avalonia
subject linked to: Laurussia continent
Laurussia containsTerranesFrom Avalonia
subject linked to: Laurussia continent
Laurussia formedByCollisionOf Avalonia
Laurussia containedTerrane Avalonia
Laurussia relatedConcept Avalonia
Euramerica precededBy Avalonia