Selleck Road: Black Tourmaline & Tremolite Rockhounding in Saint Lawrence County, New York
Updated August 2026
Selleck Road in West Pierrepont is one of New York's classic mineral localities, known for lustrous black tourmaline of the uvite series grown with silky tremolite. The ridge south of the road has produced specimens for well over a century, and Pierrepont tourmalines sit in major museum collections. Reported finds include black tourmaline, tremolite. Below: coordinates, access notes, nearby spots, and trip-planning links.
Selleck Road photos
Public image records connected to this spot or its reported material.
Map showing Selleck Road in Saint Lawrence County, New York
Quick details
- Access
- Public area
- County
- Saint Lawrence County
- State
- New York
- Nearest road
- Selleck Road
- Coordinates
- 44.48794, -75.01383
Geology at Selleck Road
This spot sits on Dolomitic and calcitic marbles interlayered with significant amounts of calcsilicate rock, mapped as marble that formed roughly 1600 to 1000 million years ago. Metamorphic belts like this often host pegmatite dikes, the coarse-crystal bodies that typically carry beryl, tourmaline, and sheet mica.
- Mapped unit
- Dolomitic and calcitic marbles interlayered with significant amounts of calcsilicate rock
- Age
- 1600–1000 Ma (Mesoproterozoic)
- Rock types
- marble
- Elevation
- 890 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 Selleck Road
Best months: April to October. Typical highs run 79°F in midsummer and 25°F in midwinter, with winter lows near 5°F.
Climate normals: NOAA 1991-2020 monthlies, COLTON 2 N station (7 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.
Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.
Found at Selleck Road
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 Selleck Road.
- EdwardsTop pick in New YorkSaint Lawrence County, New York · 15 mi awayBarite, Galena, Gypsum
- DeKalbSaint Lawrence County, New York · 16 mi awayBarite, Fluorite
- FowlerTop pick in New YorkSaint Lawrence County, New York · 23 mi awayGeode, Hematite, Barite
- RichvilleSaint Lawrence County, New York · 24 mi awayMoonstone, Diopside, Brown Tourmaline
- BalmatTop pick in New YorkSaint Lawrence County, New York · 24 mi awayAnthophyllite, Apatite, Talc
- Oswegatchie River AreaSaint Lawrence County, New York · 26 mi awaySerpentine
- Quarry (Talc)Lewis County, New York · 31 mi awaySerpentine, Talc
- Oxbow Road Cut (Oxbow-Rossie Road)Top pick in New YorkSaint Lawrence County, New York · 33 mi awayCalcite
Selleck Road FAQ
Where is Selleck Road?+
What rocks and minerals can you find at Selleck Road?+
Is collecting allowed at Selleck Road?+
What tools should I bring to Selleck Road?+
When is the best time to visit Selleck Road?+
How do I get to Selleck Road?+
More rockhounding in New York
See all 74 New York spots →Open Selleck Road on the map
Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.
