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.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
mountain-building event
ⓘ
orogeny ⓘ |
| affectedRegion |
Coast of British Columbia
NERFINISHED
ⓘ
Insular Mountains NERFINISHED ⓘ Northwestern Washington State NERFINISHED ⓘ Southeastern Alaska NERFINISHED ⓘ Vancouver Island NERFINISHED ⓘ 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
NERFINISHED
ⓘ
Crescent Terrane NERFINISHED ⓘ Insular Superterrane NERFINISHED ⓘ Pacific Rim Terrane NERFINISHED ⓘ Wrangellia Terrane NERFINISHED ⓘ |
| mainActivity |
Early Cretaceous
ⓘ
Late Jurassic ⓘ |
| orogenicBelt | Insular Belt NERFINISHED ⓘ |
| partOf | Cordilleran orogeny NERFINISHED ⓘ |
| relatedTo |
Laramide Orogeny
NERFINISHED
ⓘ
Nevadan Orogeny NERFINISHED ⓘ Sevier Orogeny NERFINISHED ⓘ |
| 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 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.