New Windsor: Azurite & Bornite Rockhounding in Carroll County, Maryland

Updated June 2026

New Windsor is a mapped rockhounding spot in Carroll County, Maryland. Reported finds include azurite, bornite, calamine, malachite, smithsonite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Carroll County
State: Maryland
Nearest road: New Windsor Road
Postcode: 21776
Coordinates: 39.53633, -77.10523

Geology at New Windsor

This spot sits on Sams Creek Formation, chlorite phyllite, mapped as chlorite phyllite; subordinate paragonite and muscovite and variable quartz; contains mica-albite-quartz layers that formed roughly 1000 to 485 million years ago. Metamorphic rock like this weathers into resistant float, and minerals that survive transport typically concentrate in nearby drainages.

Mapped unit: Sams Creek Formation, chlorite phyllite
Age: 1000–485 Ma (Neoproterozoic to Cambrian)
Rock types: chlorite phyllite; subordinate paragonite and muscovite and variable quartz; contains mica-albite-quartz layers
Elevation: 510 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 New Windsor

Best months: March to November. Typical highs run 85°F in midsummer and 40°F in midwinter, with winter lows near 22°F.

Climate normals: NOAA 1991-2020 monthlies, EMMITSBURG 2 SE station (14 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 New Windsor

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 New Windsor.

Across the state line from New Windsor

New Windsor is close enough to the Maryland border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

New Windsor FAQ

Where is New Windsor?+

New Windsor is in Carroll County, Maryland, at 39.53633, -77.10523. Nearest road: New Windsor Road.

What rocks and minerals can you find at New Windsor?+

New Windsor is reported to produce Azurite, Bornite, Calamine, Malachite, Smithsonite, Sphalerite.

Is collecting allowed at New Windsor?+

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 New Windsor?+

A rock hammer, gloves, and safety glasses are enough for oxidized copper ground. Look for green and blue staining on weathered rock and in old dump piles.

When is the best time to visit New Windsor?+

The most comfortable months at New Windsor are March to November.

How do I get to New Windsor?+

Open the directions link to navigate to 39.53633, -77.10523 in Google Maps. The nearest road is New Windsor Road.

More rockhounding in Maryland

See all 42 Maryland spots →

Open New Windsor on the map

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