Little Pittsburg Mine

Past Producer in Shoshone county in Idaho, United States with commodities Copper, Gold, Lead, Silver, 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. 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. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10241690
MRDS ID W019515
MAS/MILS ID 0160790024
Record type Site
Current site name Little Pittsburg Mine
Alternate or previous names Mascot Mine, Cougar
Related records 10073435

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -116.19993, 47.48457 (WGS84)
Elevation 988
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Shoshone(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Masonia(quadrangle 1:24,000 scale)

Saint Maries(quadrangle 1:100,000 scale)

Spokane(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Coeur d'Alene(hydrologic unit)

Spokane(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Shoshone

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 048 N 002 E 27 S2NWNW Idaho

Commodities

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

Materials information

Materials Type of material
Ankerite Unknown
Arsenopyrite Unknown
Chalcopyrite Unknown
Galena Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Siderite Unknown
Sphalerite Unknown
Tetrahedrite Unknown

Nearby scientific data

Main Entrance (1) -116.19993, 47.48457

Economic information

Ore body information

  • Strike N30W
    Dip 65W
    Thickness 46M
    Length 305M
    Width 183M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 FISSURE VEIN
    Type of Orebody #3 SHEAR ZONE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin METAMORPHISM
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 BLEACHING
    Type of Wallrock Alter. #2 SERICITIC
    Strike And Dip N30W:65W
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 75HA
    Field Value
    Total Surface Area (HA) 75
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1897
Year of first production 1941

Mining district

District name Yreka

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Mascot Silver-Lead Mines
    Interest 100
    Home office Idaho
    Year 1975
  • Type Operator
    Owner Intermountain Mineral Engineers
    Home office Idaho
    Year 1975
  • Type Operator
    Owner U.S. Antimony Corp
    Home office Montana
    Year 1975

Reserves and resources

  • Type In-situ
    Estimate year 1975
    Indicated 28000mt ore
    Demonstrated 28000mt ore
    Inferred 53000mt ore
    Total resources 81000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 7.45 wt-pct Zinc Trace 1975
    Lead Pb 6.47 wt-pct Lead Major 1975
    Silver Ag 43.8 g/mt Silver Trace 1975
  • Type In-situ
    Estimate year 1975
    Inferred 49000mt ore
    Total resources 49000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 5.5 wt-pct Zinc Trace 1975
    Lead Pb 4.5 wt-pct Lead Major 1975
    Silver Ag 34 g/mt Silver Trace 1975

Comments on the reserve resource information

  • ORE RESERVES DEPLETED (BOB RICE OCT., 1980)

Reference information

Bibliographic references

  • Reserve-Resource

    BOB RICE INT. MINERALS ENG. PERS. COMM., OCT. 10, 1980.

  • Reserve-Resource

    MR. RICE OF INT. MINERALS ENG. STATED ON OCT. 10, 1980 THAT

  • Reserve-Resource

    ALL KNOWN RESERVES HAVE BEEN DEPLETED. EXPLORATION,

  • Reserve-Resource

    HOWEVER, IS ONGOING.

  • Deposit

    JONES 1920 USGS BULL 710-A P 1-36

  • Deposit

    FORRESTER 1945 USGS OP-FILE MAPS: MAPS OF THE LITTLE PITTSBU

  • Deposit

    FORRESTER AND NELSON 1945 USGS OP-FILE REP: PB-ZN DEP PINE C

  • Deposit

    FRYKLUND (WITH A SECTION BY WEIS) 1964 USGS PROF PAPER 445

  • Deposit

    HERDLICK 1947 USBM REP INV 3999 LITTLE PITTSBURGH PB-ZN MI

  • Deposit

    HUNDHAUSEN 1948 USBM INFO CIRC 7428 MIN-MILLG COSTS LITTLE

  • Deposit

    METALS SOURCEBOOK 1975 VOL 3 NO 3

  • Deposit

    BOB RICE, PERS. COMM., JULY, 1975,(RESERVES UP TO 1975)

  • Deposit

    SHANNON 1926 US NATL MUSEUM BULL 131 P 99-100

  • Deposit

    UMPLEBY AND JONES 1923 USGS BULL 732 P 84-85, 90-92

Reporter information

Type Date Name Affiliation Comment
Reporter 15-OCT-90 Kauffman, John D. U.S. Bureau of Mines

Beyond USGS

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