| Deposit ID | 10100309 |
|---|---|
| MRDS ID | W044570 |
| Record type | Site |
| Current site name | Composite Section |
| Geographic coordinates: | -90.71679, 42.49195 (WGS84) |
|---|
Political divisions (FIPS codes)
Dubuque(county)
Iowa(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dubuque South(quadrangle 1:24,000 scale)
Dubuque South(quadrangle 1:100,000 scale)
Dubuque(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Apple-Plum(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 | Dubuque |
| Commodity | Importance |
|---|---|
| Phosphorus-Phosphates | Primary |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite | ||
| Rock unit name | Maquoketa Shale | ||
| Rock description | Maquoketa Shale | ||
| |||
| (1) | -90.71679, 42.49195 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W044570 |
F1 < BROWN, C. E., 1974, PHOSPHATIC ZONE IN THE LOWER PART OF THE MAQUOKETA SHALE IN NORTHEAST IOWA: U.S. GEOLOGICAL SURVEY JOURNAL OF RESEARCH, V. 2, NO. 2, P. 219-232
| Subject category | Comment text |
|---|---|
| Deposit | GEN<BROWN (1974) LOCALITY 12, COMPOSITE SECTION FROM ROADCUT AND EXCAVATION NORTH OF U.S. ROUTE 20 NEAR CENTER GROVE. DOLOMITE, 5' 11.5% P2O5; DOLOMITE, 4' 17.2% P2O5. CADASTRAL LOCATION: NE 1/4 NW 1/4 SEC 27, T. 89 N., R. 2 E. ; INFO.SRC : COBB |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1985 | Miller, M. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.