Gratz: Barite & Calcite Rockhounding in Owen County, Kentucky

Quick details

Access

Public area

County

Owen County

State

Kentucky

Nearest road

KY 355

Postcode

40359

Coordinates

38.47718, -84.96055

Geology at Gratz

This spot sits on Lexington Limestone, mapped as limestone that formed roughly 470 to 460 million years ago. Carbonate rock like this is the classic host for lead, zinc, and fluorite mineralization, which typically follows old cavities and replacement zones.

Mapped unit

Lexington Limestone

Age

470–460 Ma (Middle Ordovician)

Rock types

limestone

Elevation

530 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.

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.

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

Found at Gratz

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

• BariteEncyclopedia →
• CalciteEncyclopedia →
• FluoriteEncyclopedia →
• GalenaEncyclopedia →
• SphaleriteEncyclopedia →