| Deposit ID | 10100289 |
|---|---|
| MRDS ID | W044479 |
| Record type | Site |
| Current site name | Volga Occurrence |
| Geographic coordinates: | -91.54459, 42.80667 (WGS84) |
|---|
Political divisions (FIPS codes)
Clayton(county)
Iowa(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Volga(quadrangle 1:24,000 scale)
Oelwein(quadrangle 1:100,000 scale)
Dubuque(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Turkey(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 | Clayton |
| Commodity | Importance |
|---|---|
| Phosphorus-Phosphates | Primary |
| Fluorine-Fluorite Critical | Primary |
| Zinc Critical | Primary |
| Materials | Type of material |
|---|---|
| Fluorite | Ore |
| Sphalerite | Ore |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite | ||
| Rock unit name | Maquoketa Shale | ||
| Rock description | Maquoketa Shale | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Phosphorite |
| (1) | -91.54459, 42.80667 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W044479 |
F1 < BROWN, C. E., 1967, FLUORITE IN CRYSTAL-LINED VUGS IN THE MAQUOKETA SHALE AT VOLGA, CLAYTON COUNTY, IOWA: AMERICAN MINERALOGIST, V. 52, P. 1735-1750.
F2 < WORL, R. G., VAN ALSTINE, R. E., AND HEYL, A. V., 1974, FLUORITE IN THE UNITED STATES, EXCLUSIVE OF HAWAII: U.S. GEOLOGICAL SURVEY MAP MR-60, SCALE L:3,168,000.
F4 < BROWN, C.E., 1966, PHOSPHATE DEPOSITS IN THE BASAL BEDS OF THE MAQUOQUETA SHALE NEAR DUBUQUE, IOWA, IN GEOLOGICAL SURVEY RESEARCH 1966: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 550-B, P. B152-B158.
F5 < 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 18. PHOSPHORITE, .4' 21.2% P205. CADASTRAL LOCATION: SW 1/4 SW 1/4 SEC. 3, T. 92 N., R. 6 W. ; INFO.SRC : COBB |
| Deposit | CADASTRAL LOCATION: T. 91 N, R. 1 AND 2 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.