Best spot

Racine — Rockhounding in Racine County, Wisconsin

Updated July 2026

Quarry Lake Park in Racine exposes the Silurian Racine Formation dolomite, part of the reef complex recognized as among the first fossil coral reefs described in North America. The reef flank beds here yield crinoid columnals, corals, brachiopods, and bryozoans, documented by the Field Museum and Milwaukee Public Museum reef projects. The park is a public Racine County facility, unlike the active commercial quarries nearby that are closed to collectors. Reported finds include fossils, calcite, marcasite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Racine County
State: Wisconsin
Nearest road: Racine MRK Trail
Postcode: 53402
Coordinates: 42.77393, -87.80830

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

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 Racine.

Across the state line from Racine

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

North AuroraKane County, Illinois · 72 mi awayBornite, Calcite, Chalcopyrite

Racine FAQ

Why is Racine one of the best rockhounding spots in Wisconsin?+

Where is Racine?+

Racine is in Racine County, Wisconsin, at 42.77393, -87.80830. Nearest road: Racine MRK Trail.

What rocks and minerals can you find at Racine?+

Racine is reported to produce Fossils, Calcite, Marcasite.

Is collecting allowed at Racine?+

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.

How do I get to Racine?+

Open the directions link to navigate to 42.77393, -87.80830 in Google Maps. The nearest road is Racine MRK Trail.

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Open Racine on the map

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