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Mapes TXV-200

Brown County, Texas
Directions
Next site in TexasOld Chico Rd & Wizard Wells Rd, 3.2 miles east of Jacksboro · 3 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.
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Based on our latest records, with claims updated from the BLM on Oct 9, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

Nearby sites

All of Texas
3 miOld Chico Rd & Wizard Wells Rd, 3.2 miles east of JacksboroFossil3 miTXV-29 LacasaFossil3 miGullies south of pond dam, 250 meters north of the Lost Creek Cemetery, 0.4 km east of Highway 59 and 8.3 km northeast of JacksboroFossil

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About Mapes TXV-200

Mapes TXV-200 is a fossil collection site in Brown, Texas, cataloged in the Paleobiology Database. Fossils here come from the Graham Formation, dated to the Virgilian (303.7–298.9 million years ago). The depositional environment is recorded as marine indet. Documented finds include Pseudorthoceras knoxense.

Geologic setting

Formation
Graham
Geologic interval
Virgilian
Age
303.7–298.9 Ma
Depositional environment
marine indet.
Recorded occurrences
1
Locality notes

From spillway, New Jacksboro Lake, Jack County

Fossils found here

Pseudorthoceras knoxense
Cephalopoda · Pseudorthoceratidae

Records and references

Data: Paleobiology Database collection 93708 (CC BY 4.0) — view the source record

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Questions about Mapes TXV-200

Can you collect at Mapes TXV-200?

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 Mapes TXV-200?

Fossil.

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Source: Paleobiology Database.