Grenville Province
E790076
The Grenville Province is a large, ancient geological region of the Canadian Shield characterized by high-grade metamorphic rocks formed during the Proterozoic Grenville orogeny.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geological province
ⓘ
tectonostratigraphic province ⓘ |
| approximateAgeMa | 1300–980 ⓘ |
| boundedBy |
Churchill Province
NERFINISHED
ⓘ
Superior Province NERFINISHED ⓘ |
| characterizedBy | high-grade metamorphic rocks ⓘ |
| contains | granitoid intrusions ⓘ |
| crustalThicknessKm | up to 60 ⓘ |
| economicResources |
iron ore
ⓘ
rare earth elements ⓘ titanium ⓘ |
| extendsInto |
Adirondack Mountains
NERFINISHED
ⓘ
Appalachian subsurface ⓘ Labrador NERFINISHED ⓘ New York NERFINISHED ⓘ Ontario NERFINISHED ⓘ Quebec NERFINISHED ⓘ |
| formedByCollisionOf |
Amazonia
NERFINISHED
ⓘ
Laurentia NERFINISHED ⓘ |
| formedDuring | Grenville orogeny NERFINISHED ⓘ |
| geologicalAge | Proterozoic ⓘ |
| hasFeature |
deep crustal roots
ⓘ
fold nappes ⓘ large-scale thrust faults ⓘ |
| isKeyToUnderstanding | Proterozoic tectonics of Laurentia ⓘ |
| isPartOf | Grenvillian orogenic belt NERFINISHED ⓘ |
| locatedIn |
Canada
ⓘ
Laurentian craton NERFINISHED ⓘ eastern Canada NERFINISHED ⓘ |
| metamorphicGrade | amphibolite to granulite facies ⓘ |
| namedAfter | Grenville orogeny NERFINISHED ⓘ |
| orogenyType | continent-continent collision ⓘ |
| partOf | Canadian Shield NERFINISHED ⓘ |
| relatedTo |
Central Gneiss Belt
NERFINISHED
ⓘ
Central Metasedimentary Belt NERFINISHED ⓘ Grenville Front NERFINISHED ⓘ |
| researchField |
Precambrian geology
ⓘ
metamorphic petrology ⓘ structural geology ⓘ |
| rockType |
gneiss
ⓘ
granulite ⓘ migmatite ⓘ |
| significance | records assembly of supercontinent Rodinia ⓘ |
| structuralStyle | highly deformed ⓘ |
| tectonicSetting | collisional orogen ⓘ |
| youngestMajorEventAgeMa | about 1.0 Ga ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.