Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:age |
about 1.65 billion years
|
| gptkbp:color |
red
pink |
| gptkbp:contains |
pipestone (catlinite)
|
| gptkbp:featureType |
quartzite
|
| gptkbp:form |
metamorphism of sandstone
|
| gptkbp:geologicalAge |
gptkb:Paleoproterozoic
|
| gptkbp:hardness |
very hard
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sioux quartzite
|
| gptkbp:location |
gptkb:Iowa
gptkb:Minnesota gptkb:Nebraska gptkb:South_Dakota |
| gptkbp:namedAfter |
gptkb:Native_American_tribe
|
| gptkbp:notableExposure |
gptkb:Pipestone_National_Monument
gptkb:Sioux_Falls gptkb:Blue_Mounds_State_Park |
| gptkbp:primaryLithology |
quartz
|
| gptkbp:resistantTo |
erosion
|
| gptkbp:stratigraphicUnitOf |
gptkb:Midcontinent_Rift_System
|
| gptkbp:thickness |
up to 120 meters
|
| gptkbp:usedFor |
gptkb:building
gravel |
| gptkbp:bfsParent |
gptkb:Old_Federal_Building_and_U.S._Courthouse_(Sioux_Falls,_South_Dakota)
gptkb:Calumet_Hotel gptkb:Pipestone_County_Courthouse |
| gptkbp:bfsLayer |
8
|