East Branch Naamanm Creek: Sphene & Quartz Rockhounding in Delaware County, Pennsylvania

Updated June 2026

East Branch Naamanm Creek is a mapped rockhounding spot in Delaware County, Pennsylvania. Reported finds include sphene, quartz, garnet. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Delaware County
State: Pennsylvania
Nearest road: Broomall Street
Postcode: 19061
Coordinates: 39.82522, -75.44562

Geology at East Branch Naamanm Creek

This spot sits on Anorthosite, mapped as anorthosite that formed roughly 540 to 250 million years ago. Granitic ground like this typically carries quartz veins and pockets, and weathered crystals tend to collect in the soils and drainages below.

Mapped unit: Anorthosite
Age: 540–250 Ma (Paleozoic)
Rock types: anorthosite
Elevation: 90 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 East Branch Naamanm Creek

Best months: February to December. Typical highs run 89°F in midsummer and 43°F in midwinter, with winter lows near 27°F.

Climate normals: NOAA 1991-2020 monthlies, MARCUS HOOK station (1 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 East Branch Naamanm Creek

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 East Branch Naamanm Creek.

Across the state line from East Branch Naamanm Creek

East Branch Naamanm Creek is close enough to the Pennsylvania border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

East Branch Naamanm Creek FAQ

Where is East Branch Naamanm Creek?+

East Branch Naamanm Creek is in Delaware County, Pennsylvania, at 39.82522, -75.44562. Nearest road: Broomall Street.

What rocks and minerals can you find at East Branch Naamanm Creek?+

East Branch Naamanm Creek is reported to produce Sphene, Quartz, Garnet.

Is collecting allowed at East Branch Naamanm Creek?+

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 East Branch Naamanm Creek?+

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 East Branch Naamanm Creek?+

The most comfortable months at East Branch Naamanm Creek are February to December.

How do I get to East Branch Naamanm Creek?+

Open the directions link to navigate to 39.82522, -75.44562 in Google Maps. The nearest road is Broomall Street.

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Open East Branch Naamanm Creek on the map

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