Racine & Seneca: Tripoli Rockhounding in Ottawa County, Oklahoma

Updated June 2026

Racine & Seneca is a mapped rockhounding spot in Ottawa County, Oklahoma. Reported finds include tripoli. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Ottawa County
State: Oklahoma
Coordinates: 36.90353, -94.65500

Geology at Racine & Seneca

This spot sits on Keokuk and Reeds Spring Formations and St. Joe Group, mapped as chert and limestone that formed roughly 360 to 325 million years ago. Carbonate rock like this dissolves and weathers readily, so fresh road cuts, quarries, and creek exposures are typically the most productive ground.

Mapped unit: Keokuk and Reeds Spring Formations and St. Joe Group
Age: 360–325 Ma (Mississippian)
Rock types: chert and limestone
Elevation: 1,010 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 Racine & Seneca

Best months: September to July. Typical highs run 90°F in midsummer and 46°F in midwinter, with winter lows near 24°F.

Climate normals: NOAA 1991-2020 monthlies, MIAMI station (13 mi away), adjusted for elevation.

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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Racine & Seneca

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Tripoli

Nearby rockhounding spots

Other rockhounding spots within driving distance of Racine & Seneca.

Across the state line from Racine & Seneca

Racine & Seneca is close enough to the Oklahoma border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Racine & Seneca FAQ

Where is Racine & Seneca?+

Racine & Seneca is in Ottawa County, Oklahoma, at 36.90353, -94.65500.

What rocks and minerals can you find at Racine & Seneca?+

Racine & Seneca is reported to produce Tripoli.

Is collecting allowed at Racine & Seneca?+

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. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Racine & Seneca?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit Racine & Seneca?+

The most comfortable months at Racine & Seneca are September to July.

How do I get to Racine & Seneca?+

Open the directions link to navigate to 36.90353, -94.65500 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in Oklahoma

See all 36 Oklahoma spots →

Open Racine & Seneca on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.