Rockhounding.org

Suey Ranch

San Luis Obispo County, California
Directions
Next site in CaliforniaUCMP loc. 2526 · 6 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.
Read the collecting rules by land type

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.

6 miUCMP loc. 2526Fossil6 miSan Miguel, northeastFossil7 miUCMP loc. 2616Fossil

More fossil sites in California

See them all

More sites in California

View all California sites
The Market

New on the Market

Native American arrowheadNative American arrowhead$20cubedmoons3Browse the Market

Found something here? List it for sale

About Suey Ranch

Suey Ranch is a fossil collection site in San Luis Obispo, California, cataloged in the Paleobiology Database. Fossils here come from the Monterey Formation, dated to the Clarendonian (12.5–9.4 million years ago). The depositional environment is recorded as marine indet. Documented finds include Delphinavus newhalli, Megapetalus.

Geologic setting

Formation
Monterey
Geologic interval
Clarendonian
Age
12.5–9.4 Ma
Depositional environment
marine indet.
Recorded occurrences
2
Locality notes

Sulphur Creek canyon, about 700 feet above sea-level and 30 miles in a direct line from the ocean, SE corner of Section 17, Range 32, W. Township 11, north San Bernadino Base and meridian

Fossils found here

Delphinavus newhalli
Mammalia · NO_FAMILY_SPECIFIED
Megapetalus
Echinoidea · Asterostomatidae

Records and references

Data: Paleobiology Database collection 47432 (CC BY 4.0) — view the source record

Getting there

No directions yet.

How hard is it?

Getting there
– / 5
Finding anything
– / 5
Votes
0

Trip reports

No trip reports yet.

Questions about Suey Ranch

Can you collect at Suey Ranch?

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 Suey Ranch?

Fossil.

Comments

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

No comments yet.

What to bring

The whole kit
  • Estwing E3-22P Rock PickThe industry-standard 22oz geological hammer. One-piece forged steel with shock-reduction grip.See it on AmazonCompare picks
  • Clear Anti-Fog Safety Glasses (4 Pack)Adjustable, anti-fog lenses for clear vision in any conditions.See it on AmazonCompare picks
  • Watertight Medical KitCompact, waterproof first aid kit with bandages, moleskin, and field essentials.See it on AmazonCompare picks
  • Southwest Treasure Hunter's Gem and Mineral GuideWhether you're digging for the first time or are an experienced rockhound or "prospector," with a simple rock hammer and...See it on Amazon

As an Amazon Associate we earn from qualifying purchases.

Meteorite nearbyA 688 g stony meteorite fell at Creston in 2015, 27 miles from here.

Source: Paleobiology Database.