Hidden Hand Mine

Past Producer in Powell county in Montana, United States with commodities Gold, Silver, Lead, Zinc, Copper, Nickel, Arsenic, Antimony
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 10071874
MRDS ID W015561
Record type Site
Current site name Hidden Hand Mine

Geographic coordinates

Geographic coordinates: -112.57867, 46.38712 (WGS84)
Elevation 1926
Relative position APPROXIMATELY 7.5 MILES EAST FROM DEERLODGE, MONTANA

Site location context

Political divisions (FIPS codes)

Powell(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Baggs Creek(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Powell

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007N 008W 02,03 Montana

Comments on the location information

  • ELEVATION OF MAIN INCLINE SHAFT TAKEN FROM MAP FROM ROBERTSON REFERENCE ; INFO FROM LAND.ST :(1959)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Zinc Critical Secondary
Copper Secondary
Nickel Critical Tertiary
Arsenic Critical Tertiary
Antimony Critical Tertiary

Comments on the commodity information

  • GOLD OCCURS IN THE OXIDIZED PARTS OF THE VEIN, POSSIBLY WITHIN THE ARSENOPYRITE STRUCTURE

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Lead Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Quartz Gangue
Boulangerite Unknown
Bournonite Unknown
Millerite Unknown

Alteration

  • (Local) Silicification, Argillization, Minor Sericitization

Analytical data

Result 50 PPM AG
Result 10 PPM AU
Result 10000 PPM PB
Result 10000 PPM AS

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Elkhorn Mountain Volcanics
    Rock description Elkhorn Mountain Volcanics
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -112.57867, 46.38712

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Ore body information

  • General form IRREGULAR
    Dip 20 ENE
    Length 60.96M
    Width 0.61M
    Depth to top 0M
    Depth to bottom 13.72M

Controls for ore emplacement

  • Ore Confined To Brecciated Shear Zone

Comments on the geologic information

  • LOW ANGLE REVERSE FAULTS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1887
Discoverer Joe Peterson
Year of first production 1888

Mining district

District name Emery (Zosell) District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Gulf Mineral Resources Co.
    Home office 1700 S. Bellaire, Denver, Co
  • Type Owner
    Owner Johnson, Mrs. Fern
    Home office 400 Milwaukee, Deer Lodge, Mont

Comments on the reserve resource information

  • THE INTERSECTION OF THE EMMA DARLING AND THE BONANZA-HIDDEN HAND VEIN MIGHT BE INVESTIGATED

Workings at the site

  • Type of workings Surface/Underground
    Length 670.56M
    Overall depth 45.72M

Comments on the workings information

  • LARGE BULLDOZER CUTS, ADITS, SHAFT

Comments on development

  • ECON.COM: ORE IS COMPLEX; DIRECT SHIPPING ORE PENALIZED FOR ARSENIC

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 30, P. 34

  • Deposit

    MBMG BULL 109, P. 17

  • Deposit

    MBMG MEM NO 34, P. 16, 17

  • Deposit

    MBMG BULL 98, P. 23, 59

  • Deposit

    USGS BULL 842, P. 280, 281

  • Production

    MCCLERNAN, H. G., 1976, METALLIC MINERAL DEPOSITS OF POWELL CO., MONTANA, USGS BULL 842, P. 280.

General comments

Subject category Comment text
Deposit THE VEIN IS VERY SINUOUS, BUT IN THIS PARTICULAR AREA (ROBERTSON) IS GENERALLY N TO NE-TRENDING. SIZE DATA IS FOR ORE SHOOT FROM WHICH ORE WAS SHIPPED BEFORE 1928.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1977 Mckenzie, Craig L.; R. B. Berg U.S. Geological Survey
Updater 01-AUG-1981 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.

External references