Rockhounding.org

UCMP A1007

US / CA
36.20689, -120.43622View on MapOpen in Google Maps
No rating yet

About this location

UCMP A1007 is a fossil collection site in Fresno, California, cataloged in the Paleobiology Database. Fossils here come from the Domengine Formation, dated to the Middle Eocene (48.07–37.71 million years ago). The depositional environment is recorded as marginal marine indet. Documented finds include Nayadina (Exputens) llajasensis.

Always seek permission where required, follow local laws, and practice Leave No Trace. Locations and details are community-submitted and may be inaccurate. Not sure what's legal here? Read our full guide to rockhounding laws by land type.

Found Here

Fossil

Geologic setting

Formation
Domengine
Geologic interval
Middle Eocene
Age
48.07–37.71 Ma
Depositional environment
marginal marine indet.
Recorded occurrences
1
Locality notes

"...they came from a coarse sandstone reef, underlying and overlying shale, outcropping about 100 yards from the mouth of a small gully on the north bank of Los Gatos Creek, which is a few miles north of the town of Coalinga and in the NE. 1⁄4,sec. 10, T. 20 S., R. 14 E., Mount Diablo base line."

Fossils found here

Nayadina (Exputens) llajasensis
Bivalvia · Malleidae

Records and references

Data: Paleobiology Database collection 206341 (CC BY 4.0)view the source record

Difficulty

Access
N/A
Find
N/A
Votes
0

Getting there

No details yet.

Location on Map

Coordinates: 36.20689, -120.43622

Recommended Gear for California

Estwing E3-22P Rock Pick

Estwing E3-22P Rock Pick

The industry-standard 22oz geological hammer. One-piece forged steel with shock-reduction grip.

Clear Anti-Fog Safety Glasses (4 Pack)

Clear Anti-Fog Safety Glasses (4 Pack)

Adjustable, anti-fog lenses for clear vision in any conditions. About $5 per pair.

Watertight Medical Kit

Watertight Medical Kit

Compact, waterproof first aid kit with bandages, moleskin, and field essentials.

Southwest Treasure Hunter's Gem and Mineral Guide

Southwest Treasure Hunter's Gem and Mineral Guide

Whether you're digging for the first time or are an experienced rockhound or "prospector," with a simple rock hammer and...

Clicking these links supports rockhounding.org at no extra cost to you — it's how we keep these maps and resources free for everyone.

Comments

Comments

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

No comments yet.

Logbook Records

No public logs yet

Be the first to share your experience at this location!