Fort Mountain and Cahutta Mountain: Talc Rockhounding in Murray County, Georgia

Quick details

Access

Permission required

County

Murray County

State

Georgia

Nearest road

West Overlook Trail

Coordinates

34.78193, -84.71353

Geology at Fort Mountain and Cahutta Mountain

This spot sits on Ultramafic rocks undifferentiated, mapped as ultramafic that formed roughly 4600 to 250 million years ago. Fresh exposures, cuts, and drainages are typically the most productive places to look on ground like this.

Mapped unit

Ultramafic rocks undifferentiated

Age

4600–250 Ma (Precambrian to Paleozoic)

Rock types

ultramafic

Elevation

2,100 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 Fort Mountain and Cahutta Mountain

Conditions here are workable year-round, with typical highs from 46°F in winter to 84°F in summer.

Climate normals: NOAA 1991-2020 monthlies, CHATSWORTH 2 station (3 mi away), adjusted for elevation.

Land & collecting status

Permission required before collecting

Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.

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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Fort Mountain and Cahutta Mountain

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

• Talc