Hanks Knob: Garnet & Pyrite Rockhounding in Carroll County, Virginia

Plan your visit

Generally open to casual rockhounding

County

Carroll County

State

Virginia

Nearest road

Coal Creek Road

Postcode

24333

Coordinates

36.62716, -80.85891

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 Hanks Knob

Comfortable months (45 to 90°F highs)

Best months: February to December. Typical highs run 81°F in midsummer and 43°F in midwinter, with winter lows near 23°F.

Climate normals: NOAA 1991-2020 monthlies, GALAX WTP station (4 mi away), adjusted for elevation.

Geology at Hanks Knob

This spot sits on Ashe Formation - Biotite gneiss, mapped as biotite gneiss that formed roughly 1000 to 540 million years ago. Metamorphic terrain like this typically carries quartz veins and sweats, and weathered crystals tend to end up in the soils and streams below.

Mapped unit

Ashe Formation - Biotite gneiss

Age

1000–540 Ma (Neoproterozoic)

Rock types

biotite gneiss

Elevation

2,510 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.

• Virginia Energy, Geology and Mineral Resources
• Virginia State Parks
• George Washington & Jefferson National Forests
• Community submissions reviewed against published agency rules