Insular Belt

E733872

The Insular Belt is a major Mesozoic volcanic and plutonic terrane along the western margin of North America, formed by the accretion of island arcs that now make up much of the Insular Mountains and adjacent regions.

All labels observed (1)

Label Occurrences
Insular Belt canonical 3

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf Mesozoic geological feature ⓘ
geologic terrane ⓘ
plutonic terrane ⓘ
volcanic arc terrane ⓘ
associatedWith Coast Plutonic Complex ⓘ
boundedBy Coast Belt ⓘ
characterizedBy large plutonic intrusions ⓘ
thick volcanic sequences ⓘ
composedOf island arc complexes ⓘ
plutonic rocks ⓘ
volcanic rocks ⓘ
extendsThrough British Columbia ⓘ
Yukon ⓘ
southeastern Alaska ⓘ
formedBy accretion of island arcs ⓘ
formedDuring Cretaceous ⓘ
Jurassic ⓘ
Triassic ⓘ
geologicAge Mesozoic ⓘ
importantFor reconstruction of Cordilleran tectonic history ⓘ
includes Alexander terrane ⓘ
linked to: Wrangellia terrane

Haida Gwaii ⓘ
Insular Mountains ⓘ
Queen Charlotte Islands ⓘ
linked to: Haida Gwaii

Vancouver Island ⓘ
Wrangellia terrane ⓘ
isPartOf Insular superterrane ⓘ
lithologyIncludes andesite ⓘ
basalt ⓘ
diorite ⓘ
gabbro ⓘ
granodiorite ⓘ
locatedIn western margin of North America ⓘ
namedFor Insular Mountains ⓘ
overlies Intermontane Belt ⓘ
partOf Canadian Cordillera ⓘ
North American Cordillera ⓘ
relatedTo subduction of oceanic plates beneath North America ⓘ
separatedFrom Intermontane Belt by major faults ⓘ
studyField geology ⓘ
petrology ⓘ
tectonics ⓘ
tectonicOrigin island arc accretion ⓘ
tectonicSetting convergent margin ⓘ

How these facts were elicited

Referenced by (3)

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

Insular Mountains → orogeny → Insular Belt ⓘ
Insular Mountains → geologicProvince → Insular Belt ⓘ
Insular Orogeny → orogenicBelt → Insular Belt ⓘ