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Tributary to Otter Creek. Southeast quarter of northwest quarter of section 30

Fayette County, Iowa
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Next site in IowaFayette County · 3 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.

3 miFayette CountyLake Superior Agate6 miDover MillsFossil9 miPaloFossil

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About Tributary to Otter Creek. Southeast quarter of northwest quarter of section 30

Tributary to Otter Creek. Southeast quarter of northwest quarter of section 30 is a fossil collection site in Fayette, Iowa, cataloged in the Paleobiology Database. Fossils here come from the Brainard Formation, dated to the Richmondian (449.6–445.5 million years ago). The depositional environment is recorded as carbonate indet. Documented finds include Plaesiomys occidentalis.

Geologic setting

Formation
Brainard
Geologic interval
Richmondian
Age
449.6–445.5 Ma
Depositional environment
carbonate indet.
Recorded occurrences
1
Locality notes

Southeast quarter of the northwest quarter of section 30, Pleasant Valley township, Fayette county (about one half mile west of Brainard)

Fossils found here

Plaesiomys occidentalis
Rhynchonellata · Plaesiomyidae

Records and references

Data: Paleobiology Database collection 192102 (CC BY 4.0) — view the source record

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Questions about Tributary to Otter Creek. Southeast quarter of northwest quarter of section 30

Can you collect at Tributary to Otter Creek. Southeast quarter of northwest quarter of section 30?

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 Tributary to Otter Creek. Southeast quarter of northwest quarter of section 30?

Fossil.

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Source: Paleobiology Database.