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UCMP D-5590, Central Butte Mountains

Nevada
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Next site in NevadaButte Mountains, Unit 3 · 0.4 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.

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About UCMP D-5590, Central Butte Mountains

UCMP D-5590, Central Butte Mountains is a fossil collection site in Nevada, cataloged in the Paleobiology Database. Fossils here come from the Loray Formation, dated to the Kungurian (283.3–274.4 million years ago). The depositional environment is recorded as shallow subtidal indet. Documented finds include Eugonophyllum, Nuculavus, Pseudomonotis, Euphemitopsis, Leptomphalus, Goniasma.

Geologic setting

Formation
Loray
Geologic interval
Kungurian
Age
283.3–274.4 Ma
Depositional environment
shallow subtidal indet.
Recorded occurrences
10
Locality notes

Section 34, T21N, R59E. North side of large unnamed canyon on the west side of Central Butte Mountains, 32 km north of US Highway Rt. 50 on the Long Valley Road, Butte Mountains, White Pine County.

Fossils found here

Eugonophyllum
Ulvophyceae · Halimedaceae
Nuculavus
Bivalvia · Nuculidae
Pseudomonotis
Bivalvia · Pseudomonotidae
Euphemitopsis
Gastropoda · Euphemitidae
Leptomphalus
Gastropoda · Euomphalidae
Goniasma
Gastropoda · Goniasmatidae
Naticopsis
Gastropoda · Naticopsidae
Meekospira
Gastropoda · Meekospiridae
Subulites
Gastropoda · Subulitidae
Spirorbis
NO_CLASS_SPECIFIED · Serpulidae

Records and references

Data: Paleobiology Database collection 10449 (CC BY 4.0) — view the source record

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Questions about UCMP D-5590, Central Butte Mountains

Can you collect at UCMP D-5590, Central Butte Mountains?

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 UCMP D-5590, Central Butte Mountains?

Fossil.

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Source: Paleobiology Database.