Blackmail Mine

Past Producer in Granite county in Montana, United States with commodities Silver, Lead, Zinc
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. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10019411
MRDS ID DC09964
Record type Site
Current site name Blackmail Mine

Geographic coordinates

Geographic coordinates: -113.26814, 46.33128 (WGS84)
Elevation 1798
Location accuracy 250(meters)
Relative position 2KM E OF PHILIPSBURG.

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Philipsburg(quadrangle 1:24,000 scale)

Philipsburg(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flint-Rock(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007N 013W 30 Montana

Comments on the location information

  • 300FT N OF THE TROUT VEIN.

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Quartz Gangue
Rhodochrosite Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result 20-40 OZ/TON AG
Result 15-40% ZN

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Red Lion Formation;Hasmark Formation
    Rock description Red Lion Formation;Hasmark Formation

Nearby scientific data

(1) -113.26814, 46.33128

Economic information

Geologic structures

Type of structure Regional
Structure description Philipsburg Batholith
Type of structure Local
Structure description Philipsburg Anticline, Philipsburg Overthrust

Ore body information

  • General form TABULAR
    Strike N85W
    Dip 76S
    Thickness 0.91M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Philipsburg (Granite-Flint Creek) District

Comments on the production information

  • CONSIDERABLE ORE SAID TO HAVE BEEN MINED.

Workings at the site

  • Type of workings Underground
    Length 27.43M
    Overall depth 15.24M

Comments on the workings information

  • WAS WORKED THROUGH SHARKTOWN TUNNEL.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SOME BRECCIATION WITH CEMENTATION BY RHODOCHROSITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-74 Unknown U.S. Geological Survey
Updater 01-DEC-80 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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