Maquoketa Group, Fort Atkinson Fm, northeastern Iowa-northwestern Illinois
Can I collect here?
ProBased on our latest records, with claims updated from the BLM on Oct 9, 2026. Land and claims can change quickly, so check before you go.
Minerals on record here
1 mineralRecorded here: fossil.
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About Maquoketa Group, Fort Atkinson Fm, northeastern Iowa-northwestern Illinois
Geologic setting
- Formation
- Fort Atkinson
- Geologic interval
- Richmondian
- Age
- 449.6–445.5 Ma
- Depositional environment
- carbonate indet.
- Recorded occurrences
- 1
northeastern Iowa-northwestern Illinois
Fossils found here
Records and references
Data: Paleobiology Database collection 28166 (CC BY 4.0) — view the source record
Getting there
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Questions about Maquoketa Group, Fort Atkinson Fm, northeastern Iowa-northwestern Illinois
Can you collect at Maquoketa Group, Fort Atkinson Fm, northeastern Iowa-northwestern Illinois?
It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.
What minerals are found at Maquoketa Group, Fort Atkinson Fm, northeastern Iowa-northwestern Illinois?
Fossil.
Comments
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Source: Paleobiology Database.