Topliff Hill: Cerussite & Malachite Rockhounding in Tooele County, Utah

Updated June 2026

Topliff Hill is a mapped rockhounding spot in Tooele County, Utah. Reported finds include cerussite, malachite, pyrite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Tooele County
State: Utah
Coordinates: 40.12801, -112.17482

Geology at Topliff Hill

This spot sits on Great Blue Ls, Humbug Formation, and Deseret Limestone, mapped as 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: Great Blue Ls, Humbug Formation, and Deseret Limestone
Age: 360–325 Ma (Mississippian)
Rock types: limestone
Elevation: 6,330 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 Topliff Hill

Best months: March to November. Typical highs run 85°F in midsummer and 34°F in midwinter, with winter lows near 8°F.

Climate normals: NOAA 1991-2020 monthlies, FAIRFIELD station (10 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 Topliff Hill

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 Topliff Hill.

Topliff Hill FAQ

Where is Topliff Hill?+

Topliff Hill is in Tooele County, Utah, at 40.12801, -112.17482.

What rocks and minerals can you find at Topliff Hill?+

Topliff Hill is reported to produce Cerussite, Malachite, Pyrite.

Is collecting allowed at Topliff Hill?+

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 Topliff Hill?+

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 Topliff Hill?+

The most comfortable months at Topliff Hill are March to November.

How do I get to Topliff Hill?+

Open the directions link to navigate to 40.12801, -112.17482 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in Utah

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Open Topliff Hill on the map

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