Bonanza Mine

Occurrence in Broadwater county in Montana, United States with commodities Silver, Lead
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10069773
MRDS ID W007453
Record type Site
Current site name Bonanza Mine
Related records 10172569

Geographic coordinates

Geographic coordinates: -111.78309, 46.2574 (WGS84)
Elevation 2134
Relative position 8 MILES EAST OF ELKHORN

Site location context

Political divisions (FIPS codes)

Broadwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crow Creek Falls(quadrangle 1:24,000 scale)

Townsend(quadrangle 1:100,000 scale)

White Sulphur Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Helena-Lewis and Clark 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 Montana Broadwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006N 001W 19 Montana

Commodities

Commodity Importance
Silver Primary
Lead Primary

Comments on the commodity information

  • GANGUE MINERALS REPORTEDLY ARE BARITE, CALCITE, QUARTZ

Materials information

Materials Type of material
Galena Ore
Limonite Ore
Pyrolusite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Madison Formation Limestones
    Rock description Madison Formation Limestones
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) Morrison Formation and Ellis Group

Economic information

Ore body information

  • Strike N 35 DEG W
    Dip 25 DEG NE
    Length 60.96M
    Width 182.88M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Radersburg District

Ownership information

  • Type Owner-Operator
    Owner Porte, George
    Home office Helena, Mt.

Comments on the workings information

  • M70 & M80 MEASUREMENT OF ENCLOSING LIMESTONE - PROPERTY DEVELOPED BY 10 OR MORE ADITS BUT INACCESSABLE

Reference information

Bibliographic references

  • Deposit

    REED, G. C., 1951, MINES & MINERAL DEPOSITS (EXCEPT FUELS), BROADWATER CO., MT., U.S. BUREAU OF MINES INF. CIRC. 7592.

  • Deposit

    LAWSON, D. C., 1973, DIRECTORY OF MINING ENTERPRISES FOR 1973, MONT. BUREAU OF MINES & GEOLOGY BULLETIN 92.

  • Deposit

    1951 COMPILE U.S. BUREAU OF MINES, INFO. CIR. 759

General comments

Subject category Comment text
Deposit REED (1951) REPORTS UNRELIABLE INFORMATION CONCERNING OUTPUT & HISTORY OF PROSPECT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1975 Mlynarczyk, Meg S. U.S. Geological Survey

Beyond USGS

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

External references