Columbian Orogeny
E532188
The Columbian Orogeny was a Proterozoic mountain-building event in western North America that contributed to the formation and deformation of ancient crustal blocks such as those now exposed in the Purcell Mountains.
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
mountain-building event
ⓘ
orogeny ⓘ |
| affectedFeature | ancient crustal blocks ⓘ |
| affectedProvince |
Canadian Cordillera
NERFINISHED
ⓘ
northwestern Laurentia NERFINISHED ⓘ |
| chronostratigraphicPosition | early to middle Proterozoic ⓘ |
| continent | North America ⓘ |
| exposedIn | Purcell Mountains NERFINISHED ⓘ |
| geologicalEon | Proterozoic NERFINISHED ⓘ |
| lithologyAffected |
igneous rocks
ⓘ
metamorphic rocks ⓘ sedimentary rocks ⓘ |
| namedAfter | Columbia supercontinent hypothesis NERFINISHED ⓘ |
| orogenyType |
Proterozoic orogeny
ⓘ
continental orogeny ⓘ |
| process |
crustal deformation
ⓘ
crustal thickening ⓘ |
| region | western North America ⓘ |
| relatedTo |
Columbia supercontinent
NERFINISHED
ⓘ
Purcell Supergroup NERFINISHED ⓘ |
| resultedIn |
metamorphism of crustal rocks
ⓘ
mountain belt formation ⓘ structural deformation of sedimentary sequences ⓘ |
| scale | orogeny of continental scale ⓘ |
| scientificDiscipline | geology ⓘ |
| subDiscipline |
structural geology
ⓘ
tectonics ⓘ |
| tectonicProcess |
crustal accretion
ⓘ
plate convergence ⓘ |
| tectonicSetting | continental margin ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.