Scribner Ledge Quarry & Crocker Hill Mines: Graphite & Molybdenite Rockhounding in Oxford County, Maine

Updated June 2026

Scribner Ledge Quarry & Crocker Hill Mines is a mapped rockhounding spot in Oxford County, Maine. Reported finds include graphite, molybdenite, pyrite, quartz, sericite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Oxford County
State: Maine
Nearest road: Crocker Hill Trail
Postcode: 04281
Coordinates: 44.27620, -70.46733

Geology at Scribner Ledge Quarry & Crocker Hill Mines

This spot sits on Sangerville Formation, Anasagunticook member sulfidic pelite, mapped as metasedimentary that formed roughly 445 to 435 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: Sangerville Formation, Anasagunticook member sulfidic pelite
Age: 445–435 Ma (Llandovery)
Rock types: metasedimentary
Elevation: 1,190 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 Scribner Ledge Quarry & Crocker Hill Mines

Best months: April to October. Typical highs run 76°F in midsummer and 24°F in midwinter, with winter lows near 7°F.

Climate normals: NOAA 1991-2020 monthlies, HARTFORD station (10 mi away), adjusted for elevation.

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.

State guidance last verified: April 1, 2026

Maine Geological Survey
Maine Mineral & Gem Museum
Acadia National Park rules
Community submissions reviewed against published agency rules

Found at Scribner Ledge Quarry & Crocker Hill Mines

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

Nearby rockhounding spots

Other rockhounding spots within driving distance of Scribner Ledge Quarry & Crocker Hill Mines.

Across the state line from Scribner Ledge Quarry & Crocker Hill Mines

Scribner Ledge Quarry & Crocker Hill Mines is close enough to the Maine border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Scribner Ledge Quarry & Crocker Hill Mines FAQ

Where is Scribner Ledge Quarry & Crocker Hill Mines?+

Scribner Ledge Quarry & Crocker Hill Mines is in Oxford County, Maine, at 44.27620, -70.46733. Nearest road: Crocker Hill Trail.

What rocks and minerals can you find at Scribner Ledge Quarry & Crocker Hill Mines?+

Scribner Ledge Quarry & Crocker Hill Mines is reported to produce Graphite, Molybdenite, Pyrite, Quartz, Sericite, Albite, Almandine Garnet, Arsenopyrite, Beryl, Columbite, Feldspar, Schorl.

Is collecting allowed at Scribner Ledge Quarry & Crocker Hill Mines?+

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. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Scribner Ledge Quarry & Crocker Hill Mines?+

A rock hammer, a small pry bar, gloves, and safety glasses cover most crystal ground. A screen helps in loose pocket soil, and newspaper protects points on the way out.

When is the best time to visit Scribner Ledge Quarry & Crocker Hill Mines?+

The most comfortable months at Scribner Ledge Quarry & Crocker Hill Mines are April to October.

How do I get to Scribner Ledge Quarry & Crocker Hill Mines?+

Open the directions link to navigate to 44.27620, -70.46733 in Google Maps. The nearest road is Crocker Hill Trail.

More rockhounding in Maine

See all 31 Maine spots →

Open Scribner Ledge Quarry & Crocker Hill Mines on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.