B.E.G. 4100, Big bluff on Colorado River, Runnels County
Texas31.68500, −99.90000
Can I collect here?
ProSee who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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 mineralRecorded here: fossil.
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About B.E.G. 4100, Big bluff on Colorado River, Runnels County
B.E.G. 4100, Big bluff on Colorado River, Runnels County is a fossil collection site in Texas, cataloged in the Paleobiology Database. Fossils here come from the Clyde Formation, dated to the Kungurian (283.3–274.4 million years ago). The depositional environment is recorded as shallow subtidal indet. Documented finds include Omphalotrochus cochisensis.
Geologic setting
- Formation
- Clyde
- Geologic interval
- Kungurian
- Age
- 283.3–274.4 Ma
- Depositional environment
- shallow subtidal indet.
- Recorded occurrences
- 1
Fossils found here
Omphalotrochus cochisensis
Gastropoda · Omphalotrochidae
Records and references
Data: Paleobiology Database collection 121339 (CC BY 4.0) — view the source record
Getting there
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Trip reports
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Questions about B.E.G. 4100, Big bluff on Colorado River, Runnels County
Can you collect at B.E.G. 4100, Big bluff on Colorado River, Runnels County?
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 B.E.G. 4100, Big bluff on Colorado River, Runnels County?
Fossil.
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Source: Paleobiology Database.