North Atlantic Craton
E615356
The North Atlantic Craton is an ancient, stable block of Earth’s continental crust in the North Atlantic region, composed largely of Archean and early Proterozoic rocks that record some of the planet’s earliest geological history.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
craton
ⓘ
geological province ⓘ |
| borderedBy |
Ketilidian orogen
NERFINISHED
ⓘ
Nagssugtoqidian orogen NERFINISHED ⓘ Paleoproterozoic mobile belts ⓘ |
| composedMostlyOf |
Archean rocks
ⓘ
Paleoproterozoic rocks ⓘ |
| contains |
Akia terrane
NERFINISHED
ⓘ
Amitsoq gneisses NERFINISHED ⓘ Isua Greenstone Belt NERFINISHED ⓘ Itsaq Gneiss Complex NERFINISHED ⓘ Lewisian complex NERFINISHED ⓘ Nain Province NERFINISHED ⓘ Saglek Block NERFINISHED ⓘ Uivak gneiss ⓘ granitoid plutons ⓘ greenstone belts ⓘ high‑grade gneiss terrains ⓘ |
| continentPartOf | Laurentia NERFINISHED ⓘ |
| hasEconomicResource |
base metals
ⓘ
gold ⓘ iron ore ⓘ rare earth elements ⓘ |
| hasGeologicalAge |
Archean
ⓘ
Paleoproterozoic ⓘ |
| hasLithology |
gneiss
ⓘ
granulite‑facies rocks ⓘ greenstone ⓘ tonalite‑trondhjemite‑granodiorite ⓘ |
| hasMaximumAgeInGa | 3.8 ⓘ |
| hasMinimumAgeInGa | 2.5 ⓘ |
| hasResearchSignificance |
constraints on early Earth geodynamics
ⓘ
record of early oceanic and atmospheric evolution ⓘ study of early continental crust formation ⓘ |
| hasTectonicCharacter |
Archean shield
ⓘ
stable continental crust ⓘ |
| locatedIn |
Greenland
NERFINISHED
ⓘ
Labrador NERFINISHED ⓘ North Atlantic region NERFINISHED ⓘ Scotland ⓘ northern Canada ⓘ western Greenland ⓘ |
| records |
early Archean magmatism
ⓘ
early Archean metamorphism ⓘ early Earth crustal evolution ⓘ early plate tectonic processes ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.