Outcrop

Past Producer in Jackson county in Iowa, United States with commodity Phosphorus-Phosphates
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10082064
MRDS ID W044576
Record type Site
Current site name Outcrop

Geographic coordinates

Geographic coordinates: -90.5604, 42.37279 (WGS84)

Site location context

Political divisions (FIPS codes)

Jackson(county)

Iowa(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

La Motte(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)

Geographic areas

Country State County
United States Iowa Jackson

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Phosphorite
    Rock unit name Maquoketa Shale
    Rock description Maquoketa Shale
    Stratigraphic age (youngest) Late Ordovician

Nearby scientific data

(1) -90.5604, 42.37279

Economic information

Comments on the geologic information

  • N85<INTERBEDDED PHOSPHORITE AND SILTSTONE IMMEDIATELY ABOVE PITTED TOP OF GALENA DOLOMITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    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

General comments

Subject category Comment text
Deposit GEN<BROWN (1974) LOCALITY 13. GULLY WEST OF LUX CREEK. COMPOSITE SAMPLE, PHOSPHORITE AND SILTSTONE, 3.4' 11.2% P2O5. CADASTRAL LOCATION: SE 1/4 NW 1/4 SEC. 1, T. 87 N., R. 3 E. ; INFO.SRC : COBB

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Miller, M. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.