Greenland Shield
E542693
The Greenland Shield is an ancient Precambrian geological core of Greenland composed mainly of highly metamorphosed crystalline rocks that form part of the larger North American craton.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Greenland Archean rocks | 1 |
| Nagssugtoqidian and Ketilidian belts of Greenland | 1 |
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Precambrian craton segment
ⓘ
geological shield ⓘ |
| adjacentTo |
Arctic Ocean
NERFINISHED
ⓘ
North Atlantic Ocean NERFINISHED ⓘ |
| ageRange | Archean to Proterozoic ⓘ |
| contains |
Archean terranes
ⓘ
Proterozoic terranes ⓘ |
| continent | North America ⓘ |
| economicResources | mineral deposits ⓘ |
| exposedAtSurface | yes ⓘ |
| forms | geological core of Greenland ⓘ |
| geologicalAge | Precambrian NERFINISHED ⓘ |
| hasFeature |
ancient continental crust
ⓘ
complex metamorphic history ⓘ highly deformed rock units ⓘ |
| isPartOf | Laurentian craton NERFINISHED ⓘ |
| lithology | highly metamorphosed crystalline rocks ⓘ |
| locatedIn | Greenland NERFINISHED ⓘ |
| orogenicHistory | Archean and Proterozoic orogenic events ⓘ |
| partOf | North American craton NERFINISHED ⓘ |
| researchField |
Precambrian geology
ⓘ
crustal evolution ⓘ tectonics ⓘ |
| rockType |
crystalline basement rocks
ⓘ
gneiss ⓘ granite ⓘ granulite ⓘ high‑grade metamorphic rocks ⓘ |
| tectonicSetting | stable continental interior ⓘ |
| underlies | much of Greenland’s landmass ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Nagssugtoqidian and Ketilidian belts of Greenland
this entity surface form:
Greenland Archean rocks