Rossie Lead Mines: Galena & Calcite Rockhounding in Saint Lawrence County, New York
- Minerals reported
- 7
- Elevation
- 300 ft
- Best months
- April to November
Rossie Lead Mines is a mapped rockhounding spot in Saint Lawrence County, New York. Reported finds include galena, calcite, graphite, sphalerite, barite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Permission required before collecting
- County
- Saint Lawrence County
- State
- New York
- Nearest road
- County Road 8
- Postcode
- 13646
- Coordinates
- 44.38389, -75.65230
Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.
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.
Best time to visit Rossie Lead Mines
Comfortable months (45 to 90°F highs)
Best months: April to November. Typical highs run 80°F in midsummer and 27°F in midwinter, with winter lows near 6°F.
Climate normals: NOAA 1991-2020 monthlies, GOUVERNEUR 3 NW station (7 mi away).
Geology at Rossie Lead Mines
This spot sits on Biotite-quartz-plagioclase paragneiss, amphibolite, and related migmatite, mapped as paragneiss that formed roughly 1600 to 1000 million years ago. Metamorphic terrain like this commonly hosts vein and replacement mineralization, and old workings typically mark the productive zones.
- Mapped unit
- Biotite-quartz-plagioclase paragneiss, amphibolite, and related migmatite
- Age
- 1600–1000 Ma (Mesoproterozoic)
- Rock types
- paragneiss
- Elevation
- 300 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.
Today's weather
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The app shows live weather, recent rain, and a daily rockhounding score for Rossie Lead Mines.
Get the appSources & 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.
- New York State Museum, Geological Survey
- NYS DEC land use rules
- Herkimer Diamond Mines
- Community submissions reviewed against published agency rules
Found at Rossie Lead Mines
Each name 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 Rossie Lead Mines.
- Rastley RoadSaint Lawrence County, New York · 5 mi awayFluorite
- Hicks FarmSaint Lawrence County, New York · 5 mi awayTitanite, Spinel, Calcite
- Muskellunge LakeJefferson County, New York · 6 mi awayFluorite
- Oxbow Road Cut (Oxbow-Rossie Road)Saint Lawrence County, New York · 6 mi awayCalcite
- Oswegatchie River AreaSaint Lawrence County, New York · 9 mi awaySerpentine
- RichvilleSaint Lawrence County, New York · 9 mi awayMoonstone, Diopside, Brown Tourmaline
- Reese Farm/Dale Bush FarmSaint Lawrence County, New York · 10 mi awayDravite
- Sterling MineJefferson County, New York · 10 mi awayHematite, Magnetite, Millerite
Rossie Lead Mines FAQ
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More rockhounding in New York
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