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UCM 84143, Steele Butte

Garfield County, Utah
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Next site in UtahUCM 84144, Steel Butte · 0.1 mi

Can I collect here?

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Based 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 mineral

Recorded here: fossil.

Nearby sites

All of Utah
0.1 miUCM 84144, Steel ButteFossil0.1 miUCM 84153, Steele ButteFossil0.4 miUCM 83265, Steele ButteFossil

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About UCM 84143, Steele Butte

UCM 84143, Steele Butte is a fossil collection site in Garfield, Utah, cataloged in the Paleobiology Database. Fossils here come from the Masuk Formation, dated to the Early Campanian (83.6–72.2 million years ago). The depositional environment is recorded as fluvial indet. Documented finds include Crocodylia.

Geologic setting

Formation
Masuk
Geologic interval
Early Campanian
Age
83.6–72.2 Ma
Depositional environment
fluvial indet.
Recorded occurrences
1
Geology notes

"the middle member of the Masuk Formation [was] deposited in a meander-belt system with point bar, levee, crevasse splay, and overbank deposits"

Locality notes

on E side of Steele Butte; SE 1/4 of sec. 28, T31S, R9E

Fossils found here

Crocodylia
Reptilia

Records and references

Data: Paleobiology Database collection 167499 (CC BY 4.0) — view the source record

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Questions about UCM 84143, Steele Butte

Can you collect at UCM 84143, Steele Butte?

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 UCM 84143, Steele Butte?

Fossil.

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Source: Paleobiology Database.