Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:age |
gptkb:Proterozoic_Eon
|
| gptkbp:alsoKnownAs |
Keweenawan Rift
|
| gptkbp:associatedWith |
continental breakup
|
| gptkbp:contains |
gptkb:Lake_Superior_basin
|
| gptkbp:extendsTo |
gptkb:Alabama
gptkb:Illinois gptkb:Iowa gptkb:Kansas gptkb:Lake_Superior gptkb:Michigan gptkb:Minnesota gptkb:Nebraska gptkb:Ohio gptkb:Oklahoma gptkb:Wisconsin |
| gptkbp:filling |
sedimentary rocks
volcanic rocks |
| gptkbp:formed |
about 1.1 billion years ago
|
| https://www.w3.org/2000/01/rdf-schema#label |
Midcontinent Rift System
|
| gptkbp:length |
over 2000 kilometers
|
| gptkbp:locatedIn |
gptkb:North_America
|
| gptkbp:significance |
major geological feature of North America
|
| gptkbp:studiedBy |
geologists
|
| gptkbp:type |
failed rift
|
| gptkbp:bfsParent |
gptkb:Keweenaw_Fault
gptkb:Midcontinent_region |
| gptkbp:bfsLayer |
7
|