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CAS loc. 53

San Luis Obispo County, California
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Next site in CaliforniaF Prospect · 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.

Nearby sites

All of California
4 miF ProspectAzurite, chrysocolla, copper +35 miLSJU loc. 432Fossil6 miCAS loc. 58Fossil

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About CAS loc. 53

CAS loc. 53 is a fossil collection site in San Luis Obispo, California, cataloged in the Paleobiology Database. Fossils here come from the Temblor Formation, dated to the Early Miocene (23.04–15.98 million years ago). The depositional environment is recorded as coastal indet. Documented finds include Securella panzana.

Geologic setting

Formation
Temblor
Geologic interval
Early Miocene
Age
23.04–15.98 Ma
Depositional environment
coastal indet.
Recorded occurrences
1
Locality notes

in a small creek about 3/4 of a mile southwest of Lewis House, near the center of the S. E. 1/4 of Sec. 22, T. 29 S., R. 16 E., Mt. D. B. L. and M.

Fossils found here

Securella panzana
Bivalvia · Veneridae

Records and references

Data: Paleobiology Database collection 237340 (CC BY 4.0) — view the source record

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Questions about CAS loc. 53

Can you collect at CAS loc. 53?

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 CAS loc. 53?

Fossil.

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Meteorite nearbyA 688 g stony meteorite fell at Creston in 2015, 18 miles from here.

Source: Paleobiology Database.