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UCMP A3706

Snohomish County, Washington
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Next site in WashingtonPuget Group Loc. 34 · 10 mi

Can I collect here?

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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.

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All of Washington
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About UCMP A3706

UCMP A3706 is a fossil collection site in Snohomish, Washington, cataloged in the Paleobiology Database. Fossils here come from the Blakeley Formation, dated to the Chattian (27.3–23.04 million years ago). The depositional environment is recorded as marine indet. Documented finds include Corbicula sookensis, Mactromeris hannibali, Mytilus stillaguamishensis, Calyptraea sookensis, Goniobasis.

Geologic setting

Formation
Blakeley
Geologic interval
Chattian
Age
27.3–23.04 Ma
Depositional environment
marine indet.
Recorded occurrences
6

Fossils found here

Corbicula sookensis
Bivalvia · Corbiculidae
Mactromeris hannibali
Bivalvia · Mactridae
Mytilus stillaguamishensis
Bivalvia · Mytilidae
Calyptraea sookensis
Gastropoda · Calyptraeidae
Goniobasis
Gastropoda · Pleuroceridae

Records and references

Data: Paleobiology Database collection 208174 (CC BY 4.0) — view the source record

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Questions about UCMP A3706

Can you collect at UCMP A3706?

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 A3706?

Fossil.

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Meteorite nearbyA 17 g iron meteorite was found at Tacoma in 1925, 22 miles from here.

Source: Paleobiology Database.