Rockhounding.org

East Alcalde

US / NM
36.08891, -106.05363View on MapOpen in Google Maps
No rating yet

About this location

East Alcalde is a fossil collection site in Rio Arriba, New Mexico, cataloged in the Paleobiology Database. Fossils here come from the Chamita Formation, dated to the Late Hemphillian (9.4–4.7 million years ago). The depositional environment is recorded as terrestrial indet. Documented finds include Osbornoceros osborni, Vulpes stenognathus.

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
Chamita
Geologic interval
Late Hemphillian
Age
9.4–4.7 Ma
Depositional environment
terrestrial indet.
Recorded occurrences
2
Locality notes

coordinates based on Alcalde, NM

Fossils found here

Osbornoceros osborni
Mammalia · Antilocapridae
Vulpes stenognathus
Mammalia · Canidae

Records and references

Data: Paleobiology Database collection 19338 (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: 36.08891, -106.05363

Recommended Gear for New Mexico

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.

Rockhounding New Mexico: A Guide to 140 of the State's Best Rockhounding Sites

Rockhounding New Mexico: A Guide to 140 of the State's Best Rockhounding Sites

More than a third of New Mexico is public land that holds untold quantities of mineralogical treasure. With this book an...

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!