Properties (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:age |
Middle Ordovician
|
| gptkbp:composedOf |
sandstone
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sylvania Formation
|
| gptkbp:locatedIn |
gptkb:Ohio
gptkb:United_States |
| gptkbp:namedAfter |
gptkb:Sylvania,_Ohio
|
| gptkbp:operates_in |
gptkb:Bass_Islands_Formation
Maquoketa Formation |
| gptkbp:partOf |
gptkb:Michigan_Basin
|
| gptkbp:resolution |
up to 200 feet
|