Explore / North America / Iowa
Iowa
Burlington crinoidal roadcuts
Fossil site Documented siteGray area
What you could find
Reported finds from this ground.
Fossils
Agates and jasperAlso reported: blastoids.
Photos via Wikimedia Commons: Partonez (CC BY-SA 4.0), Teerui (Public domain).
Why this spot
Type-area Burlington Limestone bluffs made almost entirely of crinoid debris
Classic Mississippian crinoid ground in geological literature.
Before you go
Hazards noted for this site.
traffic, bluff faces
Keep exploring nearby
More spots in this area.