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Hidden Hand

Past Producer in Powell county in Montana, United States with commodities Arsenic, Copper, Gold, Lead, Silver, Zinc
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10148505
MRDS ID M060805
MAS/MILS ID 0300770011
Record type Site
Current site name Hidden Hand
Alternate or previous names Lower Hidden Hand, Baggs Creek

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -112.58229, 46.3888 (WGS84)
Elevation 1878
Location accuracy 100(meters)

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 007 N 008 W 03 NWNWSE Montana

Commodities

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

Materials information

Materials Type of material
Bournonite Unknown
Cerussite Unknown
Galena Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown
Tourmaline Unknown

Nearby scientific data

Ore Body (1) -112.58229, 46.3888
ListMap

Economic information

Ore body information

  • Strike N35W
    Dip 35S
    Thickness 61M
    Length 182.9M
    Width 1.8M
    Area 2.2HA
    Depth to top 3.1M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SERICITIC
    Type of Wallrock Alter. #3 SILICIFICATION
    Strike And Dip N35W:35S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 3.1
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 2.2
    Date of Last Modification 980521

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Emery (Zosell) District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner USMX, Inc.
    Interest 100
    Home office Colorado
    Year 1998
    First year 1989
  • Type Owner
    Owner Hiko Bell Mining And Oil Co.
    Interest 100
    Home office Utah
    Year 1998
  • Type Operator
    Owner Pegasus
    Year 1998
    First year 1991
  • Type Operator
    Owner Hecla
    Year 1998
    First year 1990
    Last year 1991
  • Type Operator
    Owner Freeport-Mcmoran Gold Co.
    Home office Louisiana
    Year 1998
    First year 1987
    Last year 1989
  • Type Owner
    Owner Gulf Mineral Resources Co.
    Interest 100
    Home office Colorado
    Year 1977

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Inferred 24800000mt ore
    Total resources 74500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 6.9 wt-pct Zinc Trace 1977
    Silver Ag 1355 g/mt Silver Minor 1977
    Gold Au 26 g/mt Gold Major 1977
    Lead Pb 11.5 wt-pct Lead Trace 1977
  • Type In-situ
    Estimate year 1977
    Inferred 24800000mt ore
    Total resources 74500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 3 wt-pct Zinc Trace 1977
    Silver Ag 68 g/mt Silver Minor 1977
    Gold Au 14.6999 g/mt Gold Major 1977
    Lead Pb 0.5 wt-pct Lead Trace 1977

Comments on the reserve resource information

  • GRADES IN MATRIX 1 ARE FROM AN ASSAY OF GRAB SAMPLE FROM EME GRADES IN MATRIX 2 ARE FROM 701, AVERAGES OF PRODUCTION STATI TONNAGES ARE ESTIMATES OF INVESTIGATOR
  • RECORD 1: GRADES ARE FROM ASSAY OF GRAB SAMPLE OF EMERY. RECORD 2: GRADES ARE FROM 701 AVG OF PROD. TONNAGES ARE ESTIMATES OF INVESTIGATOR, SEE BACKUP FILES.

Workings at the site

  • Type of workings Underground
    Overall depth 300M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics NO PLANES OF WEAKNESS
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 1
    Capacity 455
    Capacity Units MT ORE/DAY
    Unit Production Cost 28
    Units of Production $/MT ORE
    Operating Days per Year 284
    Operating Shifts per Day 3
    Year of Information 1977
  • Type of workings Underground
    Overall depth 300M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics NO PLANES OF WEAKNESS
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 1
    Capacity 455
    Capacity Units MT ORE/DAY
    Unit Production Cost 28
    Units of Production $/MT ORE
    Operating Days per Year 284
    Operating Shifts per Day 3
    Year of Information 1977

Reference information

Bibliographic references

  • Deposit

    ROBERTSON,1953,MBMG MEM.34,P.16, PL 5B

  • Deposit

    MCCLERNAN,1976,MBMG BULL.98,P.23,59

  • Deposit

    PARDEE AND SCHRADER,1933,USGS BULL.842,P.280-281

  • Deposit

    YOUNG,ETAL,1962,MBMG BULL.30,P.34

  • Deposit

    RUPPEL,1961,USGS MAP MF-174

Reporter information

Type Date Name Affiliation Comment
Reporter 21-MAY-98 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site