Homestake and Blackrock Mine

Producer in Madison county in Montana, United States with commodities Gold, Silver
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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10010542
MRDS ID D004307
Record type Site
Current site name Homestake and Blackrock Mine
Alternate or previous names Blackrock and Homestake Mine

Geographic coordinates

Geographic coordinates: -111.95808, 45.27212 (WGS84)
Elevation 2073

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Virginia City(quadrangle 1:24,000 scale)

Ennis(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ruby(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006S 003W 34 Montana

Comments on the location information

  • LOCATED ON RIDGE BETWEEN BROWNS GULCH AND ALDER GULCH.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Analytical data

Result SHIPPING ORE ASSAYED FROM $15 TO $50 A TON IN GOLD AND SILVER.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -111.95808, 45.27212

Economic information

Ore body information

  • General form TABULAR
    Strike N 60 E
    Dip 25 NW
    Thickness 1.52M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Virginia City

Ownership information

  • Type Operator
    Owner Hammond, Virginia City
    First year 1937

Comments on the production information

  • IN A THREE MONTH PERIOD, 100 TONS OF SHIPPING ORE WAS PRODUCED.

Workings at the site

  • Type of workings Underground
    Length 274.32M

Comments on the workings information

  • ADITS

Reference information

Bibliographic references

  • Deposit

    LORAIN, S., 1937, GOLD LODE MINING IN THE TOBACCO ROOT MTNS, MADISON CO., MONT., USBM. INF. CIRC. 6972, P. 56

  • Deposit

    1937 COMPILE USBM INF. CIRC. 697

  • Production

    LORAIN, P. 56

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1980 Doyle, Brien (Wells, John) U.S. Geological Survey

Beyond USGS

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