Midcontinent Granite-Rhyolite Province margins
E803326
The Midcontinent Granite-Rhyolite Province margins are ancient crustal boundaries in the central United States that record tectonic and magmatic activity associated with the Proterozoic assembly of North America.
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
crustal boundary
ⓘ
geologic feature ⓘ tectonic province margin ⓘ |
| ageRange |
Mesoproterozoic
ⓘ
Paleoproterozoic ⓘ |
| associatedWith |
Proterozoic assembly of North America
ⓘ
crustal reworking ⓘ intraplate magmatism ⓘ |
| boundedBy |
older Archean and Paleoproterozoic crustal blocks
ⓘ
younger Proterozoic and Phanerozoic terranes ⓘ |
| characterizedBy | ancient crustal boundaries ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| geologicAge | Proterozoic ⓘ |
| geophysicalExpression |
gravity anomalies
ⓘ
magnetic anomalies ⓘ |
| lithologyIncludes |
granite
ⓘ
rhyolite ⓘ |
| locatedIn | central United States ⓘ |
| partOf | Midcontinent Granite-Rhyolite Province NERFINISHED ⓘ |
| records |
magmatic activity
ⓘ
tectonic activity ⓘ |
| relatedTo |
Proterozoic accretionary orogenesis
ⓘ
continental growth of Laurentia ⓘ |
| researchField |
Precambrian geology
ⓘ
geochronology ⓘ tectonics ⓘ |
| significance | record early Proterozoic crustal evolution in the midcontinent ⓘ |
| tectonicSetting |
continental interior
ⓘ
craton margin ⓘ |
| usedFor |
reconstructing Proterozoic plate configurations
ⓘ
studying crustal growth processes ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.