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White Basin: Ulexite Rockhounding in Clark County, Nevada

Updated June 2026

White Basin stands apart from Nevada's silica and precious-metal localities because it is a borate occurrence, with Mindat listing ulexite, colemanite, gypsum, halite, and related evaporite minerals from the Muddy Mountains district. NBMG and USGS discussions of Muddy Mountains borates give the site a stronger geologic footing than a casual listing of 'TV rock.' Reported finds include ulexite. Below: coordinates, access notes, nearby spots, and trip-planning links.

White Basin photos

Public image records connected to this spot or its reported material.

1 photo

Map showing White Basin in Clark County, Nevada

Quick details

Access
Public area
State
Nevada

Geology at White Basin

This spot sits on ground mapped as Horse Spring Formation, Lovell Wash Member, limestone and sandstone facies that formed roughly 28 to 16 million years ago. Volcanic ground like this weathers into rocky slopes and float, and fresh exposures in cuts and drainages are usually the most productive places to look.

Mapped unit
Horse Spring Formation, Lovell Wash Member, limestone and sandstone facies
Age
28–16 Ma (Late Oligocene to Early Miocene)
Elevation
2,430 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 White Basin

Best months: October to May. Typical highs run 104°F in midsummer and 57°F in midwinter, with winter lows near 39°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.

Climate normals: NOAA 1991-2020 monthlies, VALLEY OF FIRE SP station (7 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:

Found at White Basin

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 White Basin.

Across the state line from White Basin

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

White Basin FAQ

Where is White Basin?+
White Basin is in Clark County, Nevada, at 36.35019, -114.58939.
What rocks and minerals can you find at White Basin?+
White Basin is reported to produce Ulexite.
Is collecting allowed at White Basin?+
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 White Basin?+
A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.
When is the best time to visit White Basin?+
The most comfortable months at White Basin are October to May. Summer heat here is intense, so carry more water than you think you need and work the early morning.
How do I get to White Basin?+
Open the directions link to navigate to 36.35019, -114.58939 in Google Maps. Some spots are remote, so check road conditions before driving out.

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