Dyer Mine: Azurite & Malachite Rockhounding in Uintah County, Utah

Updated June 2026

Dyer Mine is a mapped rockhounding spot in Uintah County, Utah. Reported finds include azurite, malachite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Uintah County
State: Utah
Nearest road: Forest Service Road 249
Coordinates: 40.73500, -109.56809

Geology at Dyer Mine

This spot sits on ground mapped as Lodore Formation that formed roughly 495 to 485 million years ago. Copper minerals typically show as green and blue staining where mineralized rock has weathered and oxidized.

Mapped unit: Lodore Formation
Age: 495–485 Ma (Late Cambrian)
Elevation: 9,860 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 Dyer Mine

Best months: April to October. Typical highs run 73°F in midsummer and 22°F in midwinter, with winter lows near 0°F. At about 9,860 ft, snow can block access from late fall well into spring, so check conditions outside of summer.

Climate normals: NOAA 1991-2020 monthlies, MAESER 9NW 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.

State guidance last verified: April 1, 2026

BLM Utah — Rockhounding overview
Utah Geological Survey — collecting guidelines
SITLA — surface use rules
Community submissions reviewed against published agency rules

Found at Dyer Mine

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 Dyer Mine.

Across the state line from Dyer Mine

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

Dyer Mine FAQ

Where is Dyer Mine?+

Dyer Mine is in Uintah County, Utah, at 40.73500, -109.56809. Nearest road: Forest Service Road 249.

What rocks and minerals can you find at Dyer Mine?+

Dyer Mine is reported to produce Azurite, Malachite.

Is collecting allowed at Dyer Mine?+

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 Dyer Mine?+

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 Dyer Mine?+

The most comfortable months at Dyer Mine are April to October. At about 9,860 ft, snow can block access from late fall well into spring, so check conditions outside of summer.

How do I get to Dyer Mine?+

Open the directions link to navigate to 40.73500, -109.56809 in Google Maps. The nearest road is Forest Service Road 249.

More rockhounding in Utah

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Open Dyer Mine on the map

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