Owen: Jasper Rockhounding in Clark County, Wisconsin

Quick details

Access

Public area

County

Clark County

State

Wisconsin

Nearest road

East 2nd Street

Postcode

54460

Coordinates

44.94544, -90.56145

Geology at Owen

This spot sits on Gneiss and amphibolite, mapped as gneiss and amphibolite that formed roughly 2500 to 1600 million years ago. Metamorphic rock like this weathers into resistant float, and minerals that survive transport typically concentrate in nearby drainages.

Mapped unit

Gneiss and amphibolite

Age

2500–1600 Ma (Paleoproterozoic)

Rock types

gneiss and amphibolite

Elevation

1,250 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 Owen

Best months: April to October. Typical highs run 79°F in midsummer and 21°F in midwinter, with winter lows near 2°F.

Climate normals: NOAA 1991-2020 monthlies, OWEN 1E station (0 mi away).

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 Owen

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

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