South Alburg: Quartz Rockhounding in Grand Isle County, Vermont
Updated June 2026
South Alburg is a mapped rockhounding spot in Grand Isle County, Vermont. Reported finds include quartz. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing South Alburg in Grand Isle County, Vermont
Quick details
- Access
- Public area
- County
- Grand Isle County
- State
- Vermont
- Nearest road
- U.S. Route 2 South
- Postcode
- 05440
- Coordinates
- 44.89687, -73.27574
Geology at South Alburg
This spot sits on Stony Point Formation, mapped as shale and limestone that formed roughly 460 to 445 million years ago. Carbonate rock like this dissolves and weathers readily, so fresh road cuts, quarries, and creek exposures are typically the most productive ground.
- Mapped unit
- Stony Point Formation
- Age
- 460–445 Ma (Late Ordovician)
- Rock types
- shale and limestone
- Elevation
- 110 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 South Alburg
Best months: April to November. Typical highs run 82°F in midsummer and 28°F in midwinter, with winter lows near 11°F.
Climate normals: NOAA 1991-2020 monthlies, CHAZY station (6 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 South Alburg
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 South Alburg.
- QuarryGrand Isle County, Vermont · 1 mi awayMarcasite, Fossils, Gastropods
- SwantonFranklin County, Vermont · 9 mi awayRed Marble, Dunham Dolomite
- Grand IsleGrand Isle County, Vermont · 18 mi awayQuartz, Calcite, Pyrite Concretions
- Lamoille RiverChittenden County, Vermont · 21 mi awayDolomite, Chalcopyrite
- Niquette BayChittenden County, Vermont · 22 mi awayAgate, Chert, Jasper
- East FletcherFranklin County, Vermont · 25 mi awayPyrite
- Lamoille RiverLamoille County, Vermont · 35 mi awayGold
- RichfordFranklin County, Vermont · 35 mi awayActinolite, Talc, Fuschite
Across the state line from South Alburg
South Alburg is close enough to the Vermont border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Port KentEssex County, New York · 27 mi awayLabradorite
- KeesevilleClinton County, New York · 29 mi awayLabradorite
- Buttermilk FallsEssex County, New York · 31 mi awaySerpentine
- Lyon MountainClinton County, New York · 31 mi awayAegirine, Albite, Apatite
- Arnold HillClinton County, New York · 33 mi awayMagnetite
- Arnold Hill MineClinton County, New York · 33 mi awayJasper, Magnetite, Martite
