Rockhounding in Fannin County, Texas

1 mapped rockhounding spot in Fannin County. Most commonly produces ammonite, fossilized oyster, fossilized shark tooth, mosasaur tooth.

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Every rockhounding spot in Fannin County

Best spotLadonia Fossil ParkFannin County, TexasPublic access · Fossilized Shark Tooth, Ammonite, Mosasaur Tooth +2

Fannin County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

A Cretaceous shark tooth (Squalicorax) in matrix, like the fossil shark teeth found at Ladonia — Ladonia Fossil ParkFannin County, Texas

Minerals reported in Fannin County

Standout in Fannin County

Hand-picked spot in Fannin County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Ladonia Fossil Park
Public access
Fannin County
The North Sulphur River channel at Ladonia cuts into Late Cretaceous marine beds that yield shark teeth, mosasaur teeth and bone, ammonites, and Exogyra oysters.
Fossilized Shark Tooth, Ammonite, Mosasaur Tooth, Fossilized Oyster

Neighboring counties in Texas

Adjacent rockhounding counties, ranked by how close their centroids sit to Fannin County. A natural extension if Fannin County is already on your trip plan.

Across the state line from Fannin County

Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders. These are often the closest mapped spots you can reach without going deeper into Texas.

Atoka County~68 miOklahoma · 1 spotTop: Chert, Novaculite

Fannin County FAQ

Where can I rockhound in Fannin County, Texas?+

RockHoundR tracks 1 rockhounding spot in Fannin County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Fannin County?+

Spots in Fannin County most often produce Ammonite, Fossilized Oyster, Fossilized Shark Tooth, Mosasaur Tooth, Petrified Wood. Individual spots can vary widely.

Are these Fannin County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out, links in the app open the right BLM, USFS, or county pages.

Plan a Fannin County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.