Area around Go John Mine: Gold Prospecting in Maricopa County, Arizona

Updated June 2026

Area around Go John Mine is a mapped rockhounding spot in Maricopa County, Arizona. Reported finds include gold, silver, copper, red jasper, blue quartz. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Maricopa County
State: Arizona
Nearest road: Slate Trail
Postcode: 85331
Coordinates: 33.82568, -111.99300

Geology at Area around Go John Mine

This spot sits on metavolcanic rocks, mapped as metavolcanic that formed roughly 1800 to 1600 million years ago. Gold in volcanic terrain like this is usually tied to old vein systems and the gravels that drain them, so nearby washes tend to carry the color.

Mapped unit: metavolcanic rocks
Age: 1800–1600 Ma (Paleoproterozoic)
Rock types: metavolcanic
Elevation: 2,450 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 Area around Go John Mine

Best months: October to April. Typical highs run 104°F in midsummer and 65°F in midwinter, with winter lows near 42°F. Monsoon storms peak in July and August and can flood washes fast.

Climate normals: NOAA 1991-2020 monthlies, CAREFREE station (5 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.

State guidance last verified: April 1, 2026

BLM Arizona — Recreational Mineral Collecting
Arizona Geological Survey
Arizona State Land Department recreation permits
Community submissions reviewed against published agency rules

Found at Area around Go John Mine

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 Area around Go John Mine.

Area around Go John Mine FAQ

Where is Area around Go John Mine?+

Area around Go John Mine is in Maricopa County, Arizona, at 33.82568, -111.99300. Nearest road: Slate Trail.

What rocks and minerals can you find at Area around Go John Mine?+

Area around Go John Mine is reported to produce Gold, Silver, Copper, Red Jasper, Blue Quartz.

Is collecting allowed at Area around Go John Mine?+

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 Area around Go John Mine?+

A gold pan, a classifier screen, a small shovel, and a snuffer bottle cover the basics. Motorized equipment and sluices fall under separate rules in most states, so start with hand tools.

When is the best time to visit Area around Go John Mine?+

The most comfortable months at Area around Go John Mine are October to April. Monsoon storms peak in July and August and can flood washes fast.

How do I get to Area around Go John Mine?+

Open the directions link to navigate to 33.82568, -111.99300 in Google Maps. The nearest road is Slate Trail.

More rockhounding in Arizona

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Open Area around Go John Mine on the map

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