Black Bess Mine

Past Producer in Salt Lake county in Utah, United States with commodities Silver, Lead, Copper, Gold, Zinc, Manganese, Molybdenum
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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10014872
MRDS ID D011943
Record type Site
Current site name Black Bess Mine
Alternate or previous names Michigan-Utah Mine, Oregon Mine, Oregon-Black Bess Mine, Black Bess Shaft

Geographic coordinates

Geographic coordinates: -111.60689, 40.59938 (WGS84)
Elevation 308
Relative position 4200 FT N39W OF 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 34 NW OF NW OF SW Utah

Comments on the location information

  • INFO FROM LAND.ST :1983

Commodities

Commodity Importance
Silver Primary
Lead Primary
Copper Secondary
Gold Secondary
Zinc Critical Tertiary
Manganese Critical Tertiary
Molybdenum Tertiary

Comments on the commodity information

  • ONLY AG, PB, AND MINOR CU KNOWN TO BE PRODUCED

Materials information

Materials Type of material
Anglesite Ore
Argentite Ore
Galena Ore
Gold Ore
Malachite Ore
Smithsonite Ore
Wad Ore
Wulfenite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Bleaching, Calc-Silicates, Minor Silicification, Oxidation

Analytical data

Result EARLY ORE CONTAINED 50 OZ/TON AG, 30% TON. LATER WORK PRODUCED ORE WITH 100 OZ/TON AG, 9% CU, AND ANOTHER SHIPMENT WITH 25% PB AND 35 OZ/TON AG.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Alta Stock;Diorite Dikes
    Rock description Alta Stock;Diorite Dikes
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Maxfield Limestone;Fitchville Limestone
    Rock description Maxfield Limestone;Fitchville Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -111.60689, 40.59938

Economic information

Geologic structures

Type of structure Regional
Structure description Uinta-Cottonwood Arch, Cordilleran Hinge Line, Sevier Overthrust Belt
Type of structure Local
Structure description Grizzly Thrust Fault, Northeast Striking Fissures

Ore body information

  • General form TABULAR
    Strike N60E
    Dip 80N
    Thickness 91.44M
    Length 36.58M
    Width 0.91M
    Depth to top 0M
    Depth to bottom 91.44M

Controls for ore emplacement

  • Fissures Striking Northeast, Intersections Of Favorable Beds With Fissures

Comments on the geologic information

  • MINE LOCATED CLOSE TO ALTA STOCK, WITHIN 200 FT, AND HOSTING LIMESTONES SHOW BLEACHING AND CONTACT METAMORPHIC EFFECTS. PRODUCTION FROM FISSURES CUTTING THESE ROCKS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1869
Year of first production 1870
Year of last production 1903

Mining district

District name Big Cottonwood District

Land status

Ownership category Private

Comments on the production information

  • ORE PRODUCED THROUGH 1880 WAS VALUED AT $10,000 AND ASSAYED AT 50 OZ/TON AG, AND 30% PB. LATER PRODUCTION TOTALED TWO RAILROAD CARS OF ORE. ONE CAR CONTAINED 9% CU AND 100 OZ/TON AG AND THE OTHER CAR ASSAYED 25% PB AND 35 OZ/TON AG.

Workings at the site

  • Type of workings Underground
    Length 304.8M
    Overall depth 91.44M

Comments on the workings information

  • EARLY WORKINGS WERE CONNECTED WITH THE BUTTE MINE AND THEN LATER CONNECTED WITH THE CITY ROCKS TUNNEL AND TOPEKA TUNNEL

Comments on development

  • EARLY WORK DONE BETWEEN 1870 AND 1880 PRODUCED MOST OF THE ORE MINED FROM FISSURE. SECOND PHASE OF MINING FROM 1901 TO 1903 PRODUCED TWO RAILROAD CARS OF ORE

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MINE LOCATED ON A FISSURE DEPOSIT PARALLEL TO AND NEARLY CONTINUOUS WITH THE CITY ROCKS FISSURE. EARLY MINING APPARENTLY MINED OUT THE FISSURE DEPOSIT. FISSURE IS EXTENSION OF BUTTE MINE

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.

External references