Insular Orogeny

E739607

Insular Orogeny is a major mountain-building event that formed much of the geology of western coastal North America, particularly the ranges of Vancouver Island and adjacent regions.

All labels observed (1)

Label Occurrences
Insular Orogeny canonical 1

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf mountain-building event
orogeny
affectedRegion Coast of British Columbia
Insular Mountains
Northwestern Washington State
Southeastern Alaska
Vancouver Island
western coastal North America
approximateAgeMa 170–90
associatedRockType metamorphic rocks
plutonic rocks
volcanic arc rocks
associatedStructure fold belts
shear zones
thrust faults
continent North America
created accretionary complexes
forearc basins
magmatic arc rocks
drivenBy subduction of oceanic plates beneath western North America
geologicPeriod Mesozoic
involvesTerrane Alexander Terrane
Crescent Terrane
Insular Superterrane
Pacific Rim Terrane
Wrangellia Terrane
linked to: Wrangellia terrane
mainActivity Early Cretaceous
Late Jurassic
orogenicBelt Insular Belt
partOf Cordilleran orogeny
relatedTo Laramide Orogeny
linked to: Laramide orogeny

Nevadan Orogeny
Sevier Orogeny
linked to: Sevier orogeny
resultedIn deformation of Mesozoic strata
folding and thrust faulting
formation of Insular Mountains
plutonic intrusions
regional metamorphism
uplift of Vancouver Island
significance contributed to growth of western North American continental margin
formed much of the bedrock of Vancouver Island
tectonicProcess arc-continent collision
subduction
terrane accretion
tectonicSetting convergent margin

How these facts were elicited

Referenced by (1)

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

Vancouver Island Ranges orogeny Insular Orogeny