Butner: Agate & Amethyst Rockhounding in Durham County, North Carolina

Plan your visit

Generally open to casual rockhounding

County

Durham County

State

North Carolina

Nearest road

Old Oxford Road

Postcode

27503

Coordinates

36.12700, -78.82451

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

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.

Best time to visit Butner

Comfortable months (45 to 90°F highs)

Conditions here are workable year-round, with typical highs from 49°F in winter to 87°F in summer.

Climate normals: NOAA 1991-2020 monthlies, DURHAM station (10 mi away).

Geology at Butner

This spot sits on Newark Supergroup, Chatham Group; Chatham Group, Undivided, mapped as conglomerate, sandstone, and mudstone that formed roughly 250 to 200 million years ago. Tough silica like agate, jasper, and chert typically weathers out of beds like these and collects as float in drainages and on deflation surfaces.

Mapped unit

Newark Supergroup, Chatham Group; Chatham Group, Undivided

Age

250–200 Ma (Triassic)

Rock types

conglomerate, sandstone, and mudstone

Elevation

290 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

• North Carolina Geological Survey
• Nantahala/Pisgah National Forests
• Emerald Hollow Mine (fee-dig operator)
• Community submissions reviewed against published agency rules