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Mann Place

San Jacinto County, Texas
Directions
Next site in TexasN of Lake Livingston · 9 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.

9 miN of Lake LivingstonPetrified Palm Wood10 miAkin HillFossil20 miBtwn Groveton & TrinityAgate, chalcedony, jasper, petrified wood

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About Mann Place

Mann Place is a fossil collection site in San Jacinto, Texas, cataloged in the Paleobiology Database. Fossils here come from the Fleming Formation, dated to the Early Hemingfordian (18.5–16.3 million years ago). The depositional environment is recorded as terrestrial indet. Documented finds include Paratomarctus temerarius, Arretotherium acridens, Prosynthetoceras texanus, Prosynthetoceras francisi.

Geologic setting

Formation
Fleming
Geologic interval
Early Hemingfordian
Age
18.5–16.3 Ma
Depositional environment
terrestrial indet.
Recorded occurrences
4

Fossils found here

Paratomarctus temerarius
Mammalia · Canidae
Arretotherium acridens
Mammalia · Anthracotheriidae
Prosynthetoceras texanus
Mammalia · Protoceratidae
Prosynthetoceras francisi
Mammalia · Protoceratidae

Records and references

Data: Paleobiology Database collection 18642 (CC BY 4.0) — view the source record

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Questions about Mann Place

Can you collect at Mann Place?

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 Mann Place?

Fossil.

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Source: Paleobiology Database.