S side of US 287: Fossil Hunting in Ellis County, Texas
Updated June 2026
S side of US 287 is a mapped rockhounding spot in Ellis County, Texas. Reported finds include fossil leaf prints. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing S side of US 287 in Ellis County, Texas
Quick details
- Access
- Public area
- County
- Ellis County
- State
- Texas
- Nearest road
- US 287
- Postcode
- 76065
- Coordinates
- 32.44340, -96.92260
Geology at S side of US 287
This spot sits on Austin Chalk, mapped as marlstone and chalk that formed roughly 100 to 66 million years ago. Limestone like this typically forms in ancient seas, so marine fossils such as brachiopods, corals, and crinoids tend to weather out of fresh exposures.
- Mapped unit
- Austin Chalk
- Age
- 100–66 Ma (Late Cretaceous)
- Rock types
- marlstone and chalk
- Elevation
- 620 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.
Best time to visit S side of US 287
Best months: September to June. Typical highs run 95°F in midsummer and 57°F in midwinter, with winter lows near 34°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.
Climate normals: NOAA 1991-2020 monthlies, WAXAHACHIE station (5 mi away).
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.
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.
Sources & 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.
State guidance last verified:
- Texas Parks and Wildlife Department
- Bureau of Economic Geology — Texas geology
- Big Bend National Park — Rules
- Community submissions reviewed against published agency rules
Found at S side of US 287
Each chip 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 S side of US 287.
- Sides of creekEllis County, Texas · 0 mi awayPyrite
- General AreaEllis County, Texas · 8 mi awayFossilized Shark Teeth
- Brazos River at Brazos Park EastTop pick in TexasMcLennan County, Texas · 61 mi awayPetrified Wood, Agatized Wood, Agate
- Lyndon B. Johnson National Grassland (Black Creek Lake)Top pick in TexasWise County, Texas · 76 mi awayFossilized Oysters, Agate, Petrified Wood
- General AreaWise County, Texas · 76 mi awayPyrite Cubes
- General Area N.E. Lake BridgeportWise County, Texas · 78 mi awayFossils
- Mineral Wells Fossil ParkTop pick in TexasPalo Pinto County, Texas · 78 mi awayCrinoid Stems, Brachiopods, Echinoids
- Limestone road cutsCoryell County, Texas · 81 mi awayTurritella Agate
