Eminence: Calcite & Chalcopyrite Rockhounding in Shannon County, Missouri

Updated June 2026

Eminence is a mapped rockhounding spot in Shannon County, Missouri. Reported finds include calcite, chalcopyrite, cuprite, dolomite, malachite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Shannon County
State: Missouri
Nearest road: Old Highway 19
Coordinates: 37.09837, -91.31607

Geology at Eminence

This spot sits on Eminence Dolomite, Potosi Dolomite, mapped as dolostone that formed roughly 495 to 485 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: Eminence Dolomite, Potosi Dolomite
Age: 495–485 Ma (Furongian)
Rock types: dolostone
Elevation: 880 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 Eminence

Best months: August to June. Typical highs run 91°F in midsummer and 45°F in midwinter, with winter lows near 20°F.

Climate normals: NOAA 1991-2020 monthlies, EMINENCE station (4 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 Eminence

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 Eminence.

Eminence FAQ

Where is Eminence?+

Eminence is in Shannon County, Missouri, at 37.09837, -91.31607. Nearest road: Old Highway 19.

What rocks and minerals can you find at Eminence?+

Eminence is reported to produce Calcite, Chalcopyrite, Cuprite, Dolomite, Malachite, Fluorite.

Is collecting allowed at Eminence?+

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 Eminence?+

A rock hammer, gloves, and safety glasses are enough for oxidized copper ground. Look for green and blue staining on weathered rock and in old dump piles.

When is the best time to visit Eminence?+

The most comfortable months at Eminence are August to June.

How do I get to Eminence?+

Open the directions link to navigate to 37.09837, -91.31607 in Google Maps. The nearest road is Old Highway 19.

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Open Eminence on the map

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