Mississippi River: Fossil Hunting in Tunica County, Mississippi
- Minerals reported
- 2
- Elevation
- 160 ft
- Best months
- September to June
Point-bar gravels along the Mississippi River in Tunica County carry quartz, chalcedony, agate, chert, and petrified wood rafted downstream from as far as the Great Lakes and the Ozarks. The mix makes the Delta shoreline one of the few places in flat northwest Mississippi to find hard, colorful lapidary material. Productive gravel is patchy but concentrates on exposed bars at low water. Reported finds include agate, fossil. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Generally open to casual rockhounding
- County
- Tunica County
- State
- Mississippi
- Coordinates
- 34.79813, -90.45579
Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Access note: Collect loose gravel on sandbars and point bars below the ordinary high-water mark at public river accesses, such as near the Tunica RiverPark. The bed of the navigable river is state-held in public trust; avoid crossing private levee and farmland. Watch the river stage and currents, which change quickly.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Best time to visit Mississippi River
Comfortable months (45 to 90°F highs)
Best months: September to June. Typical highs run 91°F in midsummer and 49°F in midwinter, with winter lows near 33°F.
Climate normals: NOAA 1991-2020 monthlies, TUNICA 2 N station (7 mi away).
Geology at Mississippi River
This spot sits on Alluvium, mapped as fine alluvium and coarse alluvium that formed within roughly the last 12,000 years. Reworked sediments like these can carry fossils eroded from older beds upstream, typically as rolled bone fragments, teeth, and shell material.
- Mapped unit
- Alluvium
- Age
- < 1 Ma (Holocene)
- Rock types
- fine alluvium and coarse alluvium
- Elevation
- 160 ft
Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.
Today's weather
Is today a good day to go?
The app shows live weather, recent rain, and a daily rockhounding score for Mississippi River.
Get the appSources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
- Mississippi Office of Geology
- National Forests in Mississippi
- Mississippi State Parks rules
- Community submissions reviewed against published agency rules
Found at Mississippi River
Each name opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Mississippi River.
Across the state line from Mississippi River
Mississippi River is close enough to the Mississippi border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- MemphisTipton County, Tennessee · 57 mi awayLake Superior Agate, Agatized Fossil
Mississippi River FAQ
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More rockhounding in Mississippi
See all 14 Mississippi spots →
Open Mississippi River on the map
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