Quantico: Petrified Wood & Opalized Wood Rockhounding in Stafford County, Virginia

Updated July 2026

Quantico is a mapped rockhounding spot in Stafford County, Virginia. Reported finds include petrified wood, opalized wood. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Permission required
County: Stafford County
State: Virginia
Nearest road: South Elrod Avenue
Postcode: 22134
Coordinates: 38.48519, -77.31388

Geology at Quantico

This spot sits on Sedgefield Member, mapped as cobbly sand that formed within roughly the last 3 million years. Petrified wood typically travels as tough float, and worked gravels like these are exactly where weathered pieces tend to collect.

Mapped unit: Sedgefield Member
Age: 3 Ma to present (Quaternary)
Rock types: cobbly sand
Elevation: 30 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 Quantico

Conditions here are workable year-round, with typical highs from 45°F in winter to 88°F in summer.

Climate normals: NOAA 1991-2020 monthlies, QUANTICO MCAS station (1 mi away).

Land & collecting status

Permission required before collecting

Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.

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 Quantico

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 Quantico.

Across the state line from Quantico

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

Quantico FAQ

Where is Quantico?+

Quantico is in Stafford County, Virginia, at 38.48519, -77.31388. Nearest road: South Elrod Avenue.

What rocks and minerals can you find at Quantico?+

Quantico is reported to produce Petrified Wood, Opalized Wood.

Is collecting allowed at Quantico?+

Permission required before collecting. Requires landowner or agency permission before any collecting. Do not enter without explicit authorization. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Quantico?+

A rock hammer, sturdy gloves, and a padded bag cover petrified wood hunting. Most pieces are surface float, so walking slopes and washes beats digging.

When is the best time to visit Quantico?+

Quantico is workable year-round.

How do I get to Quantico?+

Open the directions link to navigate to 38.48519, -77.31388 in Google Maps. The nearest road is South Elrod Avenue.

More rockhounding in Virginia

See all 93 Virginia spots →

Open Quantico on the map

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