Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geological_formation
|
| gptkbp:age |
gptkb:Ordovician
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:depositionalEnvironment |
shallow marine
|
| gptkbp:exposedBy |
gptkb:Arkansas
gptkb:Illinois gptkb:Iowa gptkb:Minnesota gptkb:Missouri gptkb:Oklahoma gptkb:Wisconsin |
| gptkbp:firstDescribed |
1847
|
| gptkbp:fossil |
rare
|
| gptkbp:lithology |
gptkb:stone
|
| gptkbp:namedFor |
gptkb:St._Peter,_Minnesota
|
| gptkbp:notableFor |
high purity silica sand
|
| gptkbp:overlies |
gptkb:Prairie_du_Chien_Group
|
| gptkbp:primaryLithology |
quartz sandstone
|
| gptkbp:region |
gptkb:Midwestern_United_States
gptkb:Great_Lakes_region |
| gptkbp:thickness |
up to 150 feet
|
| gptkbp:underlies |
gptkb:Glenwood_Shale
gptkb:Platteville_Limestone |
| gptkbp:usedFor |
glassmaking
hydraulic fracturing foundry sand |
| gptkbp:bfsParent |
gptkb:Starved_Rock
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
St. Peter Sandstone
|