Conditional22.7 mi
Keokuk-Area Private Geode Collecting — Permission Required
Keokuk geodes with quartz, calcite and associated minerals
Core atlasIOWA LOCAL FIELD REGION
Warsaw Formation Geode Belt Rockhounding Guide
Geode-bearing sedimentary strata and stream/ravine research across southeast Iowa.
LOCAL INTERACTIVE MAP
Warsaw Formation Geode Belt local map
Explore nearby Iowa records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
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 Warsaw Formation Geode Belt
The records below may represent collecting sites, managed programs, protected resources or research-only geology. Their individual status is more important than proximity.
Conditional22.7 mi
Warsaw Formation Streams & Ravines — Geode Context
Keokuk geodes, quartz, calcite and chalcedony
Core atlasResearch15.1 mi
Burlington–Keokuk Mississippian Bedrock Research
Mississippian limestone, chert, geodes and fossils
Core atlasResearch19.8 mi
Renner Quarry
Mineral resource occurrence
USGS ResearchResearch22.7 mi
Keokuk Geode Region Research
Keokuk geodes, quartz, calcite and associated minerals
Core atlasResearch22.7 mi
Warsaw Formation Geode-Bearing Strata Research
Mississippian limestone/shale, geodes, quartz and calcite
Core atlasResearch29.8 mi
Mediapolis Quarry
Mineral resource occurrence
USGS ResearchResearch35.3 mi
Nelson Quarry
Mineral resource occurrence
USGS ResearchIowa rockhounding inventory
4,264total source records
317Ready, including conditions
3,862historical USGS records
The same U.S. inventory supplies the national map, the United States view on the global map, state maps and location guides. All 24 historical-record batches are included. Ready totals include Ready with conditions for the stated activity; read the individual conditions. A documented historical record with current access details pending says Update coming soon.
Source screening is not a field inspection or collecting permission. Materials, feature details, location guides and navigation options remain attached to individual records. Local and material-specific lists can be smaller than the complete inventory.