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ROCKHOUNDING

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NEW HAMPSHIRE CITY ROCKHOUNDING HUB

Rockhounding Near Portsmouth, New Hampshire

Seacoast bedrock, glacial cobbles and protected shoreline contexts.

Open this area on the main mapBrowse nearby records
127records within 70 mi
9core atlas
118USGS Research
0Ready
5Conditional

LOCAL INTERACTIVE MAP

Rockhounding map near Portsmouth

Explore nearby New Hampshire records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.

100records within 70 mi
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
Smoky quartz/pegmatite comparison. General comparison image, not a photograph of this specific field region.
Smoky quartz/pegmatite comparison

Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.

What is this area strongest for?

This hub uses Portsmouth as a geographic base, while the material mix is calculated from the records actually mapped around it.

Granite, Gneiss & Glacial Pebbles25 nearby recordsSmoky Quartz, Crystal & Amethyst2 nearby recordsFeldspar, Mica & Pegmatite19 nearby records

Field regions around Portsmouth

New Hampshire Seacoast GraniteGranite and coastal cobbles in local conservation areas.Great Bay Glacial & Tidal GeologyProtected estuarine research and glacial sediment context.

Nearby records worth opening individually

Records are ordered by evidence status first, then distance. Open the detailed guide before treating any pin as a trip destination.

Research3.3 mi

Coakley Pit

Mineral resource occurrence

USGS Research
Research6.5 mi

Road Quartz

Mineral resource occurrence

USGS Research
Research11.9 mi

James S Pike

Mineral resource occurrence

USGS Research
Research12.9 mi

Smith Mine

Mineral resource occurrence

USGS Research
Research17.9 mi

Corson Mine

Mineral resource occurrence

USGS Research
Research21.3 mi

Mcgall Mine

Beryllium, Lithium

USGS Research
Research23.4 mi

Welch Mine

Mineral resource occurrence

USGS Research
Research23.4 mi

Blake Mine

Mineral resource occurrence

USGS Research
Research23.4 mi

Chandler Mine

Mineral resource occurrence

USGS Research

USA Rockhounding

A 50-state field atlas for finding places, understanding current status, and navigating carefully.

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A map marker helps you investigate a place. It does not replace current land ownership, posted rules, permits, claims, closures, or local restrictions.

Metal detecting

USA Rockhounding · 50-state field discovery

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