Bwana Ore Body

Past Producer in Beaver county in Utah, United States with commodities Copper, Tungsten
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. Ownership information
  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 10101625
MRDS ID D005834
Record type Site
Current site name Bwana Ore Body
Alternate or previous names Bwana Mine
Related records 10275567

Geographic coordinates

Geographic coordinates: -113.07386, 38.45302 (WGS84)
Elevation 1646
Relative position 3.75 MILES NW OF MILFORD

Site location context

Political divisions (FIPS codes)

Beaver(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Milford(quadrangle 1:24,000 scale)

Wah Wah Mountains South(quadrangle 1:100,000 scale)

Richfield(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Beaver Bottoms-Upper Beaver(hydrologic unit)

Escalante Desert-Sevier Lake(hydrologic accounting unit)

Escalante Desert-Sevier Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Beaver

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 027S 011W 22,23 Utah

Comments on the location information

  • N 1/2 OF SE 1/4 SEC 22, SW, NW 23.

Commodities

Commodity Importance
Copper Primary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Bornite Ore
Brochantite Ore
Chalcopyrite Ore
Chrysocolla Ore
Grossularite Ore
Muscovite Ore
Powellite Ore
Scheelite Ore
Tenorite Ore
Diopside Gangue
Gypsum Gangue
Idocrase Gangue
Magnetite Gangue

Alteration

  • (Local) Bleached, Marbleized, Skarn

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Toroweap Formation
    Rock description Toroweap Formation

Nearby scientific data

(1) -113.07386, 38.45302

Economic information

Geologic structures

Type of structure Regional
Structure description Basin And Range
Type of structure Local
Structure description Assymetric North Plunging Anticline (Rocky Range)

Ore body information

  • General form IRREGULAR-VEINS
    Strike N65W
    Dip 75NE
    Plunge 5
    Plunge direction N
    Length 121.92M
    Width 24.38M
    Depth to bottom 60.96M

Controls for ore emplacement

  • Fault Zones (2 Systems) N-S And E-W

Comments on the geologic information

  • MINERALIZATION OCCURRS ALONG CONTACT OF DIORITE WITH TOROWEAP FM ONE LARGE PIT IN SEC 23 IS 300 FT DEEP AND 600 FT ACROSS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1960
Discoverer Cerro Verde Mining Co
Year of first production 1962

Mining district

District name Rocky District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner American Mining Co.
  • Type Owner
    Owner West Toledo Mining Co.

Workings at the site

  • Type of workings Surface
    Area 140.186HA
    Overall depth 60.96M
    Overall length 121.92M
    Overall width 60.96M

Comments on development

  • DISCOVERED AS A GRAVITY ANOMOLY ; MILL.CAP: 128 ; ECON.YEAR: 1960 ; ECON.COM: ACID LEACH AND CEMENTATION TREATMENT

Reference information

Bibliographic references

  • Deposit

    UTAH GEOLOGICAL ASSOCIATION, 1973 GEOLOGY OF THE MILFORD AREA PUBLICATION NO 3

  • Deposit

    WHELAN, J.A., THE ROCKY MINING DISTRICT, IN PRESS, UTAH GEOLOGICAL AND MINERAL SURVEY.

  • Production

    EVERTS, M L, 1979, ON-SITE INVESTIGATION: UTAH GEOLOGICAL AND MINERAL SURVEY

General comments

Subject category Comment text
Deposit MINED OUT: WORKED FROM 1962-68. SOME STOCKPILES OF ORE STILL PRESENT. SOME ORE STILL IN PLACE.
Deposit OXIDIZED PORTIONS AVE 3% CU, THE PRIMARY ORE UNDER 2%. AVE ORE GRADE 2.65%

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1979 Everts, Michael L. Bureau of Land Management

Beyond USGS

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