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Twin Buttes (UCMP 7047)

Navajo County, Arizona
Directions
Next site in ArizonaAlexander Wash, UCMP 7034 · 4 mi

Can I collect here?

Pro
See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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Based on our latest records, with claims updated from the BLM on Oct 3, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

4 miAlexander Wash, UCMP 7034Fossil7 miAgate Bridge N, PFV 161Fossil9 miCowboy (UCMP A257, PFV 154)Fossil

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About Twin Buttes (UCMP 7047)

Twin Buttes (UCMP 7047) is a fossil collection site in Navajo, Arizona, cataloged in the Paleobiology Database. Fossils here come from the Chinle Formation, dated to the Norian (227.3–205.7 million years ago). The depositional environment is recorded as terrestrial indet. Documented finds include Arganodus, Anaschisma browni, Leptosuchus.

Geologic setting

Formation
Chinle
Geologic interval
Norian
Age
227.3–205.7 Ma
Depositional environment
terrestrial indet.
Recorded occurrences
3
Locality notes

Twin Buttes, 10 km southwest of Adamana

Fossils found here

Arganodus
Osteichthyes · Ceratodontidae
Anaschisma browni
Amphibia · Metoposauridae
Leptosuchus
Reptilia · Parasuchidae

Records and references

Data: Paleobiology Database collection 93111 (CC BY 4.0) — view the source record

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Questions about Twin Buttes (UCMP 7047)

Can you collect at Twin Buttes (UCMP 7047)?

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 Twin Buttes (UCMP 7047)?

Fossil.

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What to bring

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Meteorite nearbyA 220 kg stony meteorite fell at Holbrook in 1912, 15 miles from here.

Source: Paleobiology Database.