Jarilla Mountains (copper): Chalcocite & Chalcopyrite Rockhounding in Otero County, New Mexico

Updated June 2026

Jarilla Mountains (copper) is a mapped rockhounding spot in Otero County, New Mexico. Reported finds include chalcocite, chalcopyrite, chrysocolla, galena, gypsum, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Otero County
State: New Mexico
Nearest road: County Road A003
Postcode: 88342
Coordinates: 32.40549, -106.10052

Geology at Jarilla Mountains (copper)

This spot sits on ground mapped as shale, limestone, and mixed clastic that formed roughly 325 to 300 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.

Age: 325–300 Ma (Pennsylvanian)
Rock types: shale, limestone, and mixed clastic
Elevation: 4,450 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 Jarilla Mountains (copper)

Best months: September to May. Typical highs run 95°F in midsummer and 58°F in midwinter, with winter lows near 28°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, OROGRANDE station (2 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

Rockhound State Park — Collection rules
BLM New Mexico
New Mexico Bureau of Geology and Mineral Resources
Community submissions reviewed against published agency rules

Found at Jarilla Mountains (copper)

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 Jarilla Mountains (copper).

Across the state line from Jarilla Mountains (copper)

Jarilla Mountains (copper) is close enough to the New Mexico border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

General AreaEl Paso County, Texas · 43 mi awayGarnet, Mica, Pink Serpentine

Jarilla Mountains (copper) FAQ

Where is Jarilla Mountains (copper)?+

Jarilla Mountains (copper) is in Otero County, New Mexico, at 32.40549, -106.10052. Nearest road: County Road A003.

What rocks and minerals can you find at Jarilla Mountains (copper)?+

Jarilla Mountains (copper) is reported to produce Chalcocite, Chalcopyrite, Chrysocolla, Galena, Gypsum, Jarosite, Limonite, Malachite, Turquoise.

Is collecting allowed at Jarilla Mountains (copper)?+

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 Jarilla Mountains (copper)?+

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 Jarilla Mountains (copper)?+

The most comfortable months at Jarilla Mountains (copper) are September 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 Jarilla Mountains (copper)?+

Open the directions link to navigate to 32.40549, -106.10052 in Google Maps. The nearest road is County Road A003.

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