Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:age |
gptkb:Paleoproterozoic
1.75 to 1.66 billion years old |
| gptkbp:composedOf |
granite
schist |
| gptkbp:contains |
zircon crystals
|
| gptkbp:discoveredBy |
gptkb:Clarence_Dutton
|
| gptkbp:exposedBy |
bottom of Grand Canyon
|
| https://www.w3.org/2000/01/rdf-schema#label |
Vishnu Basement Rocks
|
| gptkbp:locatedIn |
gptkb:Arizona
gptkb:Grand_Canyon |
| gptkbp:metamorphicGrade |
high-grade
|
| gptkbp:namedAfter |
gptkb:Vishnu
|
| gptkbp:overlies |
gptkb:Tapeats_Sandstone
gptkb:Grand_Canyon_Supergroup |
| gptkbp:partOf |
gptkb:Vishnu_Schist
|
| gptkbp:significance |
oldest rocks in Grand Canyon
|
| gptkbp:studiedBy |
geological history of North America
|
| gptkbp:bfsParent |
gptkb:Grand_Canyon,_Arizona
gptkb:Tapeats_Sandstone gptkb:Tonto_Group gptkb:Vishnu_Schist gptkb:Zoroaster_Granite gptkb:Tonto_Platform |
| gptkbp:bfsLayer |
7
|