Iapetus Ocean

E223351

Paleozoic ocean ancient ocean

The Iapetus Ocean was an ancient Paleozoic ocean that once separated the paleocontinents of Laurentia, Baltica, and Avalonia before closing during the formation of the supercontinent Pangaea.

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All labels observed (2)

Label	Occurrences
Iapetus Ocean canonical	5
Iapetus Ocean opening	1

Statements (50)

Predicate	Object
instanceOf	Paleozoic ocean ⓘ ancient ocean ⓘ
analogOf	modern Atlantic Ocean ⓘ
closedBy	plate convergence ⓘ subduction ⓘ
closedDuring	Ordovician–Silurian time ⓘ Paleozoic era ⓘ
closedIn	Early to Middle Paleozoic ⓘ
closureAssociatedWith	Caledonian orogeny ⓘ surface form: Laurentia–Avalonia collision Laurentia–Baltica collision ⓘ formation of Pangaea ⓘ
closureResultedIn	Acadian orogeny ⓘ Appalachian orogeny ⓘ Caledonian orogeny ⓘ Taconic orogeny ⓘ
evidenceIncludes	deep-marine sedimentary rocks ⓘ faunal provinciality in fossils ⓘ ophiolite complexes ⓘ
existedDuring	Cambrian ⓘ Late Neoproterozoic ⓘ Ordovician ⓘ Silurian ⓘ
formedBefore	Rheic Ocean ⓘ
knownFrom	British Isles ⓘ Greenland ⓘ North America ⓘ Scandinavia ⓘ western Europe ⓘ
marginPreservedIn	Appalachian Mountains ⓘ Scandinavian Caledonides ⓘ surface form: Caledonides of Scandinavia British Caledonides ⓘ surface form: Caledonides of Scotland Greenland Caledonides ⓘ Irish Caledonides ⓘ
namedAfter	Iapetus ⓘ Titan Iapetus from Greek mythology ⓘ
openedBetween	Laurentia and Avalonia ⓘ Laurentia and Baltica ⓘ
openedBy	continental rifting ⓘ
openedIn	Late Neoproterozoic ⓘ
paleogeographicSetting	between northern and southern hemisphere continents ⓘ
paleontologicalEvidence	distinct trilobite faunas on opposite margins ⓘ
predecessorOf	Atlantic Ocean ⓘ
relatedTo	Appalachian Mountains ⓘ surface form: Appalachian mountain belt Caledonian fault system ⓘ surface form: Caledonian mountain belt
riftedFrom	supercontinent Rodinia ⓘ surface form: Rodinia
separated	Avalonia ⓘ Baltica ⓘ Laurentia ⓘ
successorBasinRecordedBy	Rheic Ocean ⓘ
tectonicRole	separated early Paleozoic faunal provinces ⓘ

Referenced by (6)

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

Southern Uplands accretionary prism → formedAlong → Iapetus Ocean ⓘ

Southern Uplands terrane → paleogeographicOcean → Iapetus Ocean ⓘ

Avalonia microcontinent → subductedOceanBetween → Iapetus Ocean ⓘ

Avalonia microcontinent → collisionClosedOcean → Iapetus Ocean ⓘ

Pan-African Ocean → followedBy → Iapetus Ocean ⓘ

Appalachian geology → relatedTo → Iapetus Ocean ⓘ

this entity surface form: Iapetus Ocean opening