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ROCKHOUNDING

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MARYLAND LOCAL FIELD REGION

Central Maryland Piedmont Rockhounding Guide

Quartz, pegmatite, garnet and quarry research across Baltimore, Howard and Carroll areas.

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LOCAL INTERACTIVE MAP

Central Maryland Piedmont local map

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

100records within 55 mi
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
Quartz / pegmatite reference. General comparison image, not a photograph of this specific field region.
Quartz / pegmatite reference

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

Mapped leads in Central Maryland Piedmont

The records below may represent collecting sites, managed programs, protected resources or research-only geology. Their individual status is more important than proximity.

Research7.1 mi

Springfield

Copper, Cobalt, Nickel

USGS Research
Research9.7 mi

Mineral Hill

Copper, Cobalt, Nickel

USGS Research
Research10.4 mi

Dyer Quarry

Mineral resource occurrence

USGS Research
Research12.9 mi

Glyndon

Chromium, Iron

USGS Research
Research15.8 mi

Clary

Iron

USGS Research
Research16.6 mi

Muirkirk Pit

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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Field principle

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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