Centennial Eureka Mine: Quartz & Copper Rockhounding in Juab County, Utah

Plan your visit

Permission required before collecting

County

Juab County

State

Utah

Nearest road

Underwood Drive

Postcode

84628

Coordinates

39.94436, -112.12283

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

Land & collecting status

Permission required before collecting

Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.

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.

Best time to visit Centennial Eureka Mine

Comfortable months (45 to 90°F highs)

Best months: March to November. Typical highs run 87°F in midsummer and 33°F in midwinter, with winter lows near 11°F.

Climate normals: NOAA 1991-2020 monthlies, LITTLE SAHARA REC AREA station (18 mi away), adjusted for elevation.

Geology at Centennial Eureka Mine

This spot sits on ground mapped as Artificial fill that formed within roughly the last 12,000 years. Quartz crystals typically weather out of veins and pockets and end up in nearby soils and creek beds.

Mapped unit

Artificial fill

Age

< 1 Ma (Holocene)

Elevation

6,880 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.

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