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Andrus Canyon, USGS 21578-PC

Arizona
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Next site in ArizonaWhitmore Wash, USGS 22235-PC · 12 mi

Can I collect here?

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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.

Nearby sites

All of Arizona
12 miWhitmore Wash, USGS 22235-PCFossil18 miToroweap Valley, south endFossil24 miPigeon Wash, USGS 27026-PCFossil

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About Andrus Canyon, USGS 21578-PC

Andrus Canyon, USGS 21578-PC is a fossil collection site in Arizona, cataloged in the Paleobiology Database. Fossils here come from the Watahomigi Formation, dated to the Morrowan (323.4–318.6 million years ago). The depositional environment is recorded as shallow subtidal indet. Documented finds include Aviculopecten, Cryptostomata, Deltodus, Schizophoria, Trepostomata, Composita.

Geologic setting

Formation
Watahomigi
Geologic interval
Morrowan
Age
323.4–318.6 Ma
Depositional environment
shallow subtidal indet.
Recorded occurrences
12
Locality notes

Measured on southwest side of canyon, west of fault zone about 9 miles southeast of Grssy Mountain

Fossils found here

Aviculopecten
Bivalvia · Aviculopectinidae
Cryptostomata
Stenolaemata
Deltodus
Chondrichthyes · Cochliodontidae
Schizophoria
Rhynchonellata · Schizophoriidae
Trepostomata
Stenolaemata
Composita
Rhynchonellata · Athyrididae
Schizodus
Bivalvia · Schizodidae
Oriocrassatella
Bivalvia · Oriocrassatellidae
Lingula
Lingulata · Lingulidae
Derbyia
Strophomenata · Derbyiidae
Punctospirifer transversus
Rhynchonellata · Punctospiriferidae
Trilobita
Trilobita

Records and references

Data: Paleobiology Database collection 42708 (CC BY 4.0) — view the source record

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Questions about Andrus Canyon, USGS 21578-PC

Can you collect at Andrus Canyon, USGS 21578-PC?

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 Andrus Canyon, USGS 21578-PC?

Fossil.

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What to bring

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Source: Paleobiology Database.