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CSUN 1578

Clallam County, Washington
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Next site in WashingtonUW 258 · 1 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.

1 miUW 258Fossil1 miUCMP A3676Fossil1 miUW 179Fossil

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About CSUN 1578

CSUN 1578 is a fossil collection site in Clallam, Washington, cataloged in the Paleobiology Database. Fossils here come from the Pysht Formation, dated to the Chattian (27.3–23.04 million years ago). The depositional environment is recorded as offshore. Documented finds include Mysticeti, Conchocele bisecta, Thyasira peruviana, Naticidae.

Geologic setting

Formation
Pysht
Geologic interval
Chattian
Age
27.3–23.04 Ma
Depositional environment
offshore
Recorded occurrences
4

Fossils found here

Mysticeti
Mammalia
Conchocele bisecta
Bivalvia · Thyasiridae
Thyasira peruviana
Bivalvia · Thyasiridae
Naticidae
Gastropoda · Naticidae

Records and references

Data: Paleobiology Database collection 45810 (CC BY 4.0) — view the source record

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Questions about CSUN 1578

Can you collect at CSUN 1578?

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 CSUN 1578?

Fossil.

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What to bring

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Source: Paleobiology Database.