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Durango Drybone Mine Ewing Diggings

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

Geologic information

Identification information

Deposit ID 10082032
MRDS ID W044533
Record type Site
Current site name Durango Drybone Mine Ewing Diggings
Alternate or previous names Timber Range Or Ewing Diggings

Geographic coordinates

Geographic coordinates: -90.78262, 42.55695 (WGS84)

Site location context

Political divisions (FIPS codes)

Dubuque(county)

Iowa(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sherrill(quadrangle 1:24,000 scale)

Dubuque North(quadrangle 1:100,000 scale)

Dubuque(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Grant-Little Maquoketa(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 Dubuque

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Galena Ore
Smithsonite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Galena Dolomite
    Rock description Galena Dolomite
    Stratigraphic age (youngest) Middle Ordovician

Nearby scientific data

(1) -90.78262, 42.55695
ListMap

Economic information

Comments on the geologic information

  • N85<ORES FOUND IN A 5 MILE LONG E-TRENDING MINERALIZED FRACTURE ZONE; ZINC OCCURS IN SECONDARY MINERALS FORMED FROM SPHALERITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    F1 < HEYL, A. V., AGNEW, A. F., LYONS, E. J., AND BEHRE, C. H., JR., 1959, THE GEOLOGY OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 309, 310 P.

  • Deposit

    F2 < FLINT, A. E., AND BROWN, C. E., 1955, GEOLOGY AND ZINC-LEAD DEPOSITS IN THE DURANGO AREA, DUBUQUE COUNTY, IOWA: U.S. GEOLOGICAL SURVEY MINERAL INVESTIGATIONS FIELD STUDIES MAP MF 33, 1:12,000.

General comments

Subject category Comment text
Deposit GEN<DEPOSIT MINED BY INDIANS BEFORE 1790'S, THEN BY BY JULIEN DUBUQUE 1788-1810, THEN BY FOX AND SAC INDIANS 1810-1820, AND AFTERWARDS BY MINERS FROM THE EASTERN UNITED STATES. GALENA MINED FIRST; ZINC PRODUCTION STARTED ABOUT 1860. CADASTRAL LOCATION: NE 1/4 SEC. 1, T. 89 N., R. 1 E. ; INFO.SRC : COBB

Reporter information

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

Beyond USGS

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

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