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LSJU loc. 432

Los Angeles County, California
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Next site in CaliforniaCAS loc. 58 · 2 mi

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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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About LSJU loc. 432

LSJU loc. 432 is a fossil collection site in Los Angeles, California, cataloged in the Paleobiology Database. Fossils here come from the Temblor Formation, dated to the Middle Miocene (15.98–11.63 million years ago). The depositional environment is recorded as coastal indet. Documented finds include Conus juanensis, Anadara (Anadara) lakei, Scapharca (Cunearca) rivulata, Trachycardium (Trachycardium) arcumbona, Clementia elongata, Macoma (Rexithaerus) copelandi.

Geologic setting

Formation
Temblor
Geologic interval
Middle Miocene
Age
15.98–11.63 Ma
Depositional environment
coastal indet.
Recorded occurrences
9
Locality notes

L.S.J.U. locality 432. Collected from the east side of the first ridge west of Syncline Hill, two miles west of Simmler, San Luis Obispo County, California.

Fossils found here

Conus juanensis
Gastropoda · Conidae
Anadara (Anadara) lakei
Bivalvia · Arcidae
Scapharca (Cunearca) rivulata
Bivalvia · Arcidae
Trachycardium (Trachycardium) arcumbona
Bivalvia · Cardiidae
Clementia elongata
Bivalvia · Veneridae
Macoma (Rexithaerus) copelandi
Bivalvia · Tellinidae
Macoma (Rexithaerus) panzana
Bivalvia · Tellinidae
Panope tenuis
Bivalvia · Hiatellidae
Turritella ocoyana
Gastropoda · Turritellidae

Records and references

Data: Paleobiology Database collection 220066 (CC BY 4.0) — view the source record

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Questions about LSJU loc. 432

Can you collect at LSJU loc. 432?

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 LSJU loc. 432?

Fossil.

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Meteorite nearbyA 688 g stony meteorite fell at Creston in 2015, 22 miles from here.

Source: Paleobiology Database.