St. Peter Sandstone

E2103650 UNEXPLORED

St. Peter Sandstone is a widespread, well-sorted Ordovician quartz sandstone formation in the central United States, notable for its purity and use as a key stratigraphic marker.

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All labels observed (1)

Label	Occurrences
St. Peter Sandstone canonical	1

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Castle Rock State Park → hasSoilOrRockType → St. Peter Sandstone ⓘ