Davenport Mine

Past Producer in Salt Lake county in Utah, United States with commodities Silver, Lead, Iron
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10014882
MRDS ID D011959
Record type Site
Current site name Davenport Mine
Related records 10301187

Geographic coordinates

Geographic coordinates: -111.61995, 40.59911 (WGS84)
Elevation 3018
Relative position 6950 FT N 62 W FROM MT. MILLICENT

Site location context

Political divisions (FIPS codes)

Salt Lake(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Brighton(quadrangle 1:24,000 scale)

Salt Lake City(quadrangle 1:100,000 scale)

Salt Lake City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jordan(hydrologic unit)

Jordan(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Uinta-Wasatch-Cache National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Utah Salt Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 002S 003E 33 NW OF NW OF SW Utah

Comments on the location information

  • INFO FROM LAND.ST :1983

Commodities

Commodity Importance
Silver Primary
Lead Primary
Iron Tertiary

Materials information

Materials Type of material
Galena Ore
Limonite Ore

Alteration

  • (Local) Oxidation

Analytical data

Result OVERALL PRODUCTION AVERAGED 65 OZ/TON AG AND 15% PB

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Maxfield Limestone;Gardison Limestone
    Rock description Maxfield Limestone;Gardison Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -111.61995, 40.59911

Economic information

Geologic structures

Type of structure Regional
Structure description Uinta-Cottonwood Arch, Cordilleran Hingeline, Sevier Overthrust Belt
Type of structure Local
Structure description Grizzly Thrust Fault

Ore body information

  • General form TABULAR
    Width 1.52M
    Depth to top 0M

Controls for ore emplacement

  • Fissures

Comments on the geologic information

  • GRIZZLY OVERTHRUST FAULT PASSES THROUGH PROPERTY

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1870
Discoverer Tim Sullivan
Year of first production 1870
Year of last production 1873

Mining district

District name Little Cottonwood District

Land status

Ownership category Private

Production statistics

  • Year 1871
    Period 1870-1871
    Accuracy Estimate
    Description Cp_Grade: ^90 Oz/Ton Ag, 19% Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 19wt-pct
    Major Ore Silver Silver 2541g/mt

Comments on the production information

  • TOTAL PRODUCTION SAID TO HAVE VALUE OF 600,000 DOLLARS, AVERAGE GRADE OF 15% PB AND 65 OZ/TON AG

Workings at the site

  • Type of workings Underground
    Length 1463.04M

Comments on the workings information

  • WORKINGS CONSIST OF A SMALL GROUP OF FOUR OPENINGS. MOST WORKINGS ARE INCLINED SHAFTS, SHAFTS AND TUNNELS

Comments on development

  • EARLY WORK CONSISTED OF 2500 FT OF INCLINED SHAFTS DRIFTS AND A TUNNEL THROUGH 1871. LATER DEVELOPMENT EXTENDED TOTAL WORKINGS TO 4800 FT BY 1873

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit PRESUMABLY WAS A FISSURE DEPOSIT STRIKING NORTH-NORTHEAST. ORE CONSISTED OF HIGHLY OXIDIZED ARGENTIFEROUS AND ANTIMONIAL GALENA WITH ABUNDANT IRON OXIDES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1984 Shubat, Michael A. Utah Geological and Mineral Survey

Beyond USGS

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