Grenville Province of the Canadian Shield

E803324

The Grenville Province of the Canadian Shield is a vast, ancient geological region in eastern North America composed of deeply metamorphosed and deformed rocks that record the assembly of the supercontinent Rodinia.

All labels observed (1)

Label Occurrences
Grenville Province of the Canadian Shield canonical 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf geological province
tectonic province
ageRangeMa 1300–980 Ma
borders Nain Province of the Canadian Shield
Superior Province of the Canadian Shield
linked to: Superior Province
characterizedBy deep metamorphism
intense deformation
contains Adirondack Highlands
Adirondack Lowlands
Central Metasedimentary Belt
Labrador segment
Ottawa River segment
Parry Sound domain
country Canada
economicGeology hosts iron deposits
hosts rare‑earth‑element deposits
hosts titanium deposits
extendsAcross Appalachian subsurface
Labrador
New York State
Ontario
Quebec
linked to: Quebec, Canada
extendsInto United States
formedDuring Grenville orogeny
forms southeastern margin of the Canadian Shield
geologicalAge Mesoproterozoic
Neoproterozoic
linked to: Neoproterozoic Era
lithology polydeformed crystalline basement
locatedIn eastern North America
metamorphicGrade amphibolite to granulite facies
namedAfter Grenville orogeny
orogenicStyle continent–continent collision
partOf Canadian Shield
recordsEvent assembly of the supercontinent Rodinia
researchUse key area for studying Proterozoic tectonics
natural laboratory for collisional orogens
rockType gneiss
granite
granulite
high‑grade metamorphic rocks
migmatite
significance records late Precambrian continental assembly processes
structuralFeature fold belts
large‑scale thrust sheets
shear zones
tectonicHistory accretion of arcs and microcontinents
long‑lived convergent margin
tectonicSetting collisional orogen
underlies parts of the Appalachian orogen

How these facts were elicited

Referenced by (1)

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

Grenville orogeny preservedIn Grenville Province of the Canadian Shield