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UI locality Z-1F, Eagle City Ls, Hampton Fm, Marshall Co, Iowa

Marshall County, Iowa
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Next site in IowaUnion · 22 mi

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Based on our latest records, with claims updated from the BLM on Oct 15, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

22 miUnionGeode30 miEldoraGeode31 miNevadaAgate

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About UI locality Z-1F, Eagle City Ls, Hampton Fm, Marshall Co, Iowa

UI locality Z-1F, Eagle City Ls, Hampton Fm, Marshall Co, Iowa is a fossil collection site in Marshall, Iowa, cataloged in the Paleobiology Database. Fossils here come from the Hampton Formation, dated to the Kinderhookian (358.86–351.9 million years ago). The depositional environment is recorded as shallow subtidal indet. Documented finds include Rhipidomella, Perditocardinia, Schuchertella, Streptorhynchus, Rhynchopora, Eumetria.

Geologic setting

Formation
Hampton
Geologic interval
Kinderhookian
Age
358.86–351.9 Ma
Depositional environment
shallow subtidal indet.
Recorded occurrences
16
Locality notes

Latitude and longitude given are for the city of Le Grand, Iowa. "Top beds exposed in SE corner of Martin-Mariteet Corperation quarry, just north of Iowa River, about one mile north of Le Grand, NW1/4 sec 1, T 83 N, R 17 W, Marshall County, Iowa".

Fossils found here

Rhipidomella
Rhynchonellata · Rhipidomellidae
Perditocardinia
Rhynchonellata · Rhipidomellidae
Schuchertella
Strophomenata · Schuchertellidae
Streptorhynchus
Strophomenata · Schuchertellidae
Rhynchopora
Rhynchonellata · Rhynchoporidae
Eumetria
Rhynchonellata · Retziidae
Composita
Rhynchonellata · Athyrididae
Cleiothyridina
Rhynchonellata · Athyrididae
Planalvus gibberosa
Rhynchonellata · Athyrididae
Unispirifer
Rhynchonellata · Spiriferidae
Mirifusella
Rhynchonellata · Spiriferidae
Spirifer
Rhynchonellata · Spiriferidae
Verkhotomia
Rhynchonellata · Syringothyrididae
Punctospirifer solidirostris
Rhynchonellata · Punctospiriferidae
Beecheria
Rhynchonellata · Beecheriidae
Dielasma
Rhynchonellata · Dielasmatidae

Records and references

Data: Paleobiology Database collection 62482 (CC BY 4.0) — view the source record

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Questions about UI locality Z-1F, Eagle City Ls, Hampton Fm, Marshall Co, Iowa

Can you collect at UI locality Z-1F, Eagle City Ls, Hampton Fm, Marshall Co, Iowa?

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 UI locality Z-1F, Eagle City Ls, Hampton Fm, Marshall Co, Iowa?

Fossil.

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Source: Paleobiology Database.