Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:rock_formations
|
| gptkbp:age |
Ordovician
|
| gptkbp:atccode |
Maquoketa Formation
Bass Islands Formation |
| gptkbp:composed_of |
gptkb:sandstone
|
| gptkbp:contains |
gptkb:fossils
|
| gptkbp:discovered_by |
gptkb:19th_century
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sylvania Formation
|
| gptkbp:located_in |
gptkb:United_States
|
| gptkbp:named_after |
gptkb:Sylvania,_Ohio
|
| gptkbp:part_of |
gptkb:Michigan_Basin
|
| gptkbp:bfsParent |
gptkb:Zeeland_Formation
|
| gptkbp:bfsLayer |
7
|