| Deposit ID | 10081993 |
|---|---|
| MRDS ID | W044481 |
| Record type | Site |
| Current site name | Dyersville Diggings |
| Geographic coordinates: | -91.12181, 42.43418 (WGS84) |
|---|
Political divisions (FIPS codes)
Dubuque(county)
Iowa(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dyersville East(quadrangle 1:24,000 scale)
Anamosa(quadrangle 1:100,000 scale)
Dubuque(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Maquoketa(hydrologic unit)
Upper Mississippi-Maquoketa-Plum(hydrologic accounting unit)
Upper Mississippi-Maquoketa-Plum(hydrologic subregion)
Upper Mississippi(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Iowa | Delaware |
| United States | Iowa | Dubuque |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite | ||
| Rock unit name | Kankakee Dolomite | ||
| Rock description | Kankakee Dolomite | ||
| |||
| (1) | -91.12181, 42.43418 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W044481 |
| Subject category | Comment text |
|---|---|
| Deposit | GEN<VERY OLD LEAD MINES, POSSIBLY OF INDIAN ORIGIN, EAST OF NORTH FORK OF THE MAQUOKETA RIVER. CADASTRAL LOCATION: SEC. 18, T. 88 N., R. 2 W., AND SEC. 13, T. 88 W., R. 3 W. ; INFO.SRC : COBB |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1985 | Miller, M. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.