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Yellow Pine Mine

Producer in Valley county in Idaho, United States with commodities Gold, Silver, Tungsten, Antimony
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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. 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. Mineral rights holdings
  17. Land status
  18. Ownership information
  19. Production statistics
  20. Reserves and resources
  21. Workings at the site
  22. Links to other databases
  23. Bibliographic references
  24. General comments
  25. Reporter information

Geologic information

Identification information

Deposit ID 10217607
MRDS ID W017969
MAS/MILS ID 0160850001
Record type Site
Current site name Yellow Pine Mine
Alternate or previous names Yellow Pine and Homestake Deposits, Yellow Pine, Homestake, Hennessy Lode, Hennessy Camp Lode, Idaho Tungsten Mine, Great Northern

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -115.33676, 44.92678 (WGS84)
Elevation 1839
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Valley(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stibnite(quadrangle 1:24,000 scale)

Pistol Creek(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Payette 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 Idaho Valley

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 018 N 009 E 03 SENE Idaho

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Tungsten Critical Secondary
Antimony Critical Tertiary

Materials information

Materials Type of material
Stibnite Ore
Scheelite Ore
Arsenopyrite Gangue
Pyrite Gangue
Feldspar Gangue
Quartz Gangue

Alteration

  • (Local) ADV ARGILLIC
  • (Local) SERICITIC
  • (Local) SILICIFICATION

Host and associated rocks

  • Host or associated Host
    Rock type
    Rock unit name Idaho Batholith
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Idaho Batholith
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

Ore Body (1) -115.33676, 44.92678
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure name Meadow Creek Fault
Type of structure Regional
Structure name Wide Extensive Shear Zone
Type of structure Local
Structure name Shear Zone
Type of structure Local
Structure name Subsidiary Faults

Ore body information

  • General form MASSIVE, SHEAR ZONE
    Thickness 50M
    Length 170M
    Width 100M
    Area 108HA
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 DISSEMINATED
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 ADV ARGILLIC
    Type of Wallrock Alter. #2 SERICITIC
    Type of Wallrock Alter. #3 SILICIFICATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 2
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 840315
  • General form MASSIVE, SHEAR ZONE
    Thickness 80M
    Length 480M
    Width 185M
    Area 108HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 DISSEMINATED
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 ADV ARGILLIC
    Type of Wallrock Alter. #2 SERICITIC
    Type of Wallrock Alter. #3 SILICIFICATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 25
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 108
    Date of Last Modification 840315

Controls for ore emplacement

  • Faulting
  • Fracturing

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1900
Mining method Open Pit
Year of first production 1938
Plant type Leach
Milling method Heap Leach-Merrill-Crowe
Production years 1938-1952

Mining district

District name Yellow Pine District

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Hecla Mining Co.
    Interest 100
    Home office Idaho
    Year 1997
    First year 1988
  • Type Owner
    Owner Oberbillig Estate
    Interest 100
    Home office Idaho
    Year 1983
    Last year 1988
  • Type Operator
    Owner Ranchers
    Home office New Mexico
    Year 1983
    Last year 1988

Production statistics

  • Year 1932
    Description Concentrate Sales-Ounces Of Gold 304480 Ounces Of Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Gold Gold 9470387.89g
  • Year 1952
    Description Concentrate Sales-Ounces Of Silver 1670000 Ounces Of Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 51942813.27g
  • Year 1990
    Description Gold Production 57757 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 1796443.75g
  • Year 1990
    Description Silver Production 8419 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 261860.2g
  • Year 1991
    Description Gold Production 17542 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 545617.26g
  • Year 1991
    Description Silver Production 8121 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 252591.36g
  • Year 1992
    Description Gold Production 2013 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 62611.3g
  • Year 1992
    Description Silver Production 1543 T Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 47992.67g

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Measured 816000mt ore
    Demonstrated 816000mt ore
    Total resources 816000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 3.4 g/mt Gold Major 1986
  • Type In-situ
    Estimate year 1995
    Demonstrated 15876000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 3.1 g/mt Gold Major 1995

Comments on the reserve resource information

  • 1981, 3153400 MT ORE WITH STIBNITE (ANTIMONY) NO GRADE GIVEN.
  • MINERALIZED SULFIDE MATERIAL; (15 TO 20 MIL ST) @ 0.09 OZ/T DATE OF RESERVES IS 12/31/92:

Workings at the site

  • Type of workings Surface
    Area 20HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .6
    Percent Waste Rock 48
    Avg. Overburden Thickness 2
    Primary Material Cover SAND, GRAVEL
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 6
    Max. Pit Slope (degrees) 40
    Capacity 3660
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 5.41
    Units of Production $/MT ORE
    Operating Days per Year 150
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Surface
    Area 33HA
    Field Value
    MAS Development Schedule # 2
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .6
    Percent Waste Rock 69
    Avg. Overburden Thickness 0
    Primary Material Cover SAND, GRAVEL
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 6
    Max. Pit Slope (degrees) 45
    Capacity 3780
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 6.57
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1983

Comments on other economic factors

  • MINE PLAN FOR DEMONSTRATED RESOURCES INVOLVES TWO PHASED DEVELOPMENT. OXIDES HEAP LEACHED FIRST DURING SULFIDE PREPRODUCTION AND THEN SULFIDE PRODUCTION. D1 AND D2

Reference information

Bibliographic references

  • Reserve-Resource

    HECLA MINING CO 1985 ANNUAL REPORT.

  • Deposit

    LA HEIST, B.A., 1964, ANTIMONY, IN MINERAL AND WATER RESOURCES OF IDAHO: U.S. GEOLOGICAL SURVEY, IDAHO BUREAU OF MINES AND GEOLOGY, IDAHO DEPARTMENT OF RECLAMATION, 335 P. (P. 42-44)

  • Reserve-Resource

    HECLA MINING CO., 1994 FORM 10-K REPORT, PP. 31-32.

  • Deposit

    HOBBS, S.W., 1964, TUNGSTEN, IN MINERAL AND WATER RESOURCES OF IDAHO: U.S. GEOLOGICAL SURVEY, IDAHO BUREAU OF MINES AND GEOLOGY, IDAHO DEPARTMENT OF RECLAMATION, 335 P. (P. 225, 229-230)

  • Deposit

    BERGENDAHL, M.H., 1964, GOLD, IN MINERAL AND WATER RESOURCES OF IDAHO: U.S. GEOLOGICAL SURVEY, IDAHO BUREAU OF MINES AND GEOLOGY, IDAHO DEPARTMENT OF RECLAMATION, 335 P. (P. 100)

  • Deposit

    BRADLEY, J.D., BAKER, R.E., MECIA, J.A., THE YELLOW PINE MINE, ENGINEERING AND MINING JOURNAL, V. 144, NO. 4, P. 60-66, APRIL, 1943.

  • Deposit

    CANADIAN SUPERIOR MINING COMPANY, PRIVATE COMPANY REPORT, 1979, PRIVATE COMPANY MEMORANDA.

  • Deposit

    COOPER, J., GEOLOGY OF THE TUNGSTEN, ANTIMONY, AND GOLD DEPOSITS NEAR STIBNITE, IDAHO, U.S. GEOLOGICAL SURVEY BULLETIN 969F, 1951.

  • Deposit

    COST REFERENCE GUIDE FOR CONSTRUCTION EQUIPMENT, EQUIPMENT GUIDE BOOK COMPANY, PALO ALTO, CALIFORNIA, 1953.

  • Deposit

    CROWLEY,F., SUPERIOR OIL COMPANY MEMORANDUM, 1978.

  • Deposit

    CRYER, E., SUPERVISING ENGINEER, JAMES M. MONTGOMERY CONSULTING ENGINEERS, INC., BOISE, IDAHO, VERBAL COMMUNICATION.

  • Deposit

    ENGINEERING AND MINING JOURNAL, V. 184, NO. 8, AUGUST 1983.

  • Deposit

    FITCH, D., PRIVATE COMPANY MEMORANDUM, RANCHERS EXPLORATION AND DEVELOPMENT, JANUARY 7, 1983.

  • Deposit

    FITCH, D., CHIEF GEOLOGIST FOR RANCHERS EXPLORATION AND DEVELOPMENT COMPANY, VERBAL COMMUNICATION, DECEMBER 1983.

  • Deposit

    HALL, R., PRIVATE COMPANY REPORT, CANADIAN SUPERIOR MINING COMPANY, 1979.

  • Deposit

    JAMES, M. MONTGOMERY, CONSULTING ENGINEER, STIBNITE MINING PROJECT, FINAL ENVIRONMENTAL IMPACT STATEMENT, MAY 1981.

  • Deposit

    JAYNE, D., 1977, STIBNITE AREA EXPLORATION REPORT, VALLEY COUNTY, IDAHO, PRIVATE COMPANY REPORT, MARCH 1978.

  • Deposit

    JORALEMON, P., PRIVATE REPORT DONE FOR RANCHERS EXPLORATION AND DEVELOPMENT, 1968.

  • Deposit

    LEONARD, B.F., ORE DEPOSITS RELATED TO THE THUNDER MOUNTAIN CALDERA COMPLEX, PAPER GIVEN AT THE NORTHWEST MINING ASSOCIATION 89TH ANNUAL CONVENTION, DEC. 1-3, 1983.

  • Deposit

    LEONARD, B.F., GOLD ANOMALY IN SOIL OF THE WEST END CREEK AREA, YELLOW PINE DISTRICT, VALLEY COUNTY, IDAHO, U.S. GEOLOGICAL SURVEY CIRCULAR 680, 1973

  • Deposit

    METALS WEEK, AUGUST 1, 1983.

  • Deposit

    MINING COST SERVICE, PUBLISHED BY WESTERN MINE ENGINEERING, SPOKANE, WASHINGTON, 1983.

  • Deposit

    MORRISON-KNUDSEN COMPANY, MINE DEPOSIT FILE REPORT, SUPERIOR MINING COMPANY, WEST END PROPERTY, STIBNITE, IDAHO. U.S. BUREAU OF MINES MINERALS AVAILABILITY REPORT CONTRACT NO. S0221-28, SEPTEMBER 1982.

  • Deposit

    MOTICA, J., PRIVATE COMPANY REPORT, RANCHERS EXPLORATION AND DEVELOPMENT COMPANY, 1973.

  • Deposit

    RICHINS, R., ENVIRONMENTAL PERMITTING AND MONITORING OF GOLD MINING AND HEAP LEACH PROJECTS IN CENTRAL IDAHO-CASE HISTORIES, AIME TALK, SPOKANE, WASHINGTON, NOVEMBER 1983.

  • Deposit

    SCHEFFEL, R., METALLURGIST FOR RANCHERS EXPLORATION AND DEVELOPMENT COMPANY. VERBAL COMMUNICATION, 1983.

  • Deposit

    STRAAM ENGINEERS INC., CAPITAL AND OPERATING COST ESTIMATING SYSTEM HANDBOOK, U.S. BUREAU OF MINES CONTRACT NO. J0255026, 1979, 374 P.

  • Deposit

    U.S. BUREAU OF MINES, IN HOUSE PRODUCTION RECORDS.

  • Deposit

    WALLACE, K.G., FINAL REPORT BY THE BRADLEY MINING COMPANY TO THE DEFENSE MINERAL EXPLORATION ADMINISTRATION (DMEA), MARCH 1, 1956.

  • Deposit

    LASMANIS R WEST END GOLD DEPOSIT YELLOW PINE MINING DISTRICT IDAHO PAPER PRESENTED AT THE 87TH ANNUAL NWMA CONVENTION SPOKANE, WA DEC 3, 191.

  • Deposit

    HECLA MINING CO 1995 10K, P.34.

  • Deposit

    HECLA MINING CO 1994 ANNUAL REPORT, P.21.

  • Deposit

    HECLA MINING CO 1994 10K, P.32.

  • Deposit

    FINAL ENVIRONMENTAL IMPACT STATEMENT: STIBNITE MINING PROJECT, GOLD MINE AND MILL MAY, 1981

  • Deposit

    RANDOL MINING DIRECTORY, 1994/95, U.S. MINES & MINING COMPANIES, P276.

  • Deposit

    RANDOL MINING DIRECTORY, 1995/96, U.S. MINES & MINING COMPANIES, P203.

General comments

Subject category Comment text
Deposit ANTIMONY-GOLD OREBODY WAS DISCOVERED IN 1900, TUNGSTEN OREBODY WAS DISCOVERED IN 1941. TUNGSTEN OREBODY WAS DEPLETED IN 1945.

Reporter information

Type Date Name Affiliation Comment
Reporter 08-OCT-97 Buckingham, David A. U.S. Bureau of Mines
Reporter 01-JAN-76 Weeks, Robert U.S. Geological Survey
Reporter 30-SEP-92 Mosier, Dan U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site