Greenfield: Agate & Chert Rockhounding in Dade County, Missouri

Updated June 2026

Greenfield is a mapped rockhounding spot in Dade County, Missouri. Reported finds include agate, chert, petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Dade County
State: Missouri
Nearest road: East Dade 114
Postcode: 65661
Coordinates: 37.41619, -93.83097

Geology at Greenfield

This spot sits on ground mapped as limestone that formed roughly 360 to 325 million years ago. Carbonate rock like this dissolves and weathers readily, so fresh road cuts, quarries, and creek exposures are typically the most productive ground.

Age: 360–325 Ma (Mississippian)
Rock types: limestone
Elevation: 1,030 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 Greenfield

Best months: February to December. Typical highs run 90°F in midsummer and 43°F in midwinter, with winter lows near 22°F.

Climate normals: NOAA 1991-2020 monthlies, LOCKWOOD station (7 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 Greenfield

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 Greenfield.

Across the state line from Greenfield

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

Greenfield FAQ

Where is Greenfield?+

Greenfield is in Dade County, Missouri, at 37.41619, -93.83097. Nearest road: East Dade 114.

What rocks and minerals can you find at Greenfield?+

Greenfield is reported to produce Agate, Chert, Petrified Wood.

Is collecting allowed at Greenfield?+

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 Greenfield?+

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 Greenfield?+

The most comfortable months at Greenfield are February to December.

How do I get to Greenfield?+

Open the directions link to navigate to 37.41619, -93.83097 in Google Maps. The nearest road is East Dade 114.

More rockhounding in Missouri

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Open Greenfield on the map

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