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Wharf Mine

Producer in Lawrence county in South Dakota, United States with commodities Gold, Silver
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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. Production statistics
  16. Reserves and resources
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10299352
MRDS ID SD02001
MAS/MILS ID 0460810276
Record type Site
Current site name Wharf Mine
Alternate or previous names Bald Mountain Mine, South Dakota Mining Co., Annie Creek, Annie Creek / Foley Ridge, Bald Mountain Mining Co. Mine, Portland Mining Co., Trojan Mining Co., Foley Mine, Trojan Mine, Reliance Mine, Foley Ridge, Clinton Project

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -103.83808, 44.35556 (WGS84)
Elevation 1890
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Lawrence(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lead(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Belle Fourche(hydrologic unit)

Belle Fourche(hydrologic accounting unit)

Cheyenne(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Black Hills 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 South Dakota Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004 N 002 E 03 South Dakota

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Unknown
Silver Unknown

Nearby scientific data

Ore Body (1) -103.83808, 44.35556
ListMap

Economic information

Ore body information

  • Strike N00E
    Dip 00W
    Thickness 91M
    Length 1524M
    Width 610M
    Area 91HA
    Depth to top 20M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 UNKNOWN
    Primary mode of Origin UNKNOWN
    Primary Ore Control IGNEOUS
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N00E:00W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 91
    Date of Last Modification 971003

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1982
Mining method Open Pit
Year of first production 1983
Plant type Leach
Milling method Heap Leach-Carbon Column-Merrill-Crowe

Mining district

District name Bald Mountain District

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented
Type of mineral rights Private Lease

Land status

Ownership category Mixed

Ownership information

  • Type Owner-Operator
    Owner Wharf Resources Ltd
    ID 3901282
    Interest 100
    Home office South Dakota
    Year 1997

Comments on the ownership information

  • WHARF RESOURCES LTD ADDRESS: 145 KING ST WEST, STE 2700, TORONTO, ONTARIO, CANADA M5H 1J8

Production statistics

  • Year 1983
    Description Kg, Gold 74 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 74000g
  • Year 1984
    Description Kg, Gold 453 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 453000g
  • Year 1985
    Description Kg, Gold 373 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 373000g
  • Year 1986
    Description Kg, Gold 812 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 812000g
  • Year 1987
    Description Kg, Gold 1431 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 1431000g
  • Year 1988
    Description Kg, Gold 2163 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2163000g
  • Year 1989
    Description Kg, Gold 2395 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2395000g
  • Year 1990
    Description Kg, Gold 2508 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2508000g
  • Year 1991
    Description Kg, Gold 2910 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2910000g
  • Year 1992
    Description Kg, Gold 2961 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2961000g
  • Year 1993
    Description Kg, Gold 3184 Kg, Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 3184000g
  • Year 1994
    Description No Gold Production
  • Year 1995
    Description Gold Production 96608 T Oz/Yr Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 3004845.09g

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Measured 22946000mt ore
    Indicated 2187000mt ore
    Demonstrated 25133000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.05 g/mt Gold Major 1993
  • Type In-situ
    Estimate year 1994
    Demonstrated 25940000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.977 g/mt Gold Major 1994
  • Type In-situ
    Estimate year 1994
    Demonstrated 25200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.03 g/mt Gold Major 1994
  • Type In-situ
    Estimate year 1996
    Demonstrated 25100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.96 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1997
    Measured 21201000mt ore
    Indicated 1121000mt ore
    Demonstrated 22322000mt ore
    Inferred 2517000mt ore
    Total resources 24839000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.93 g/mt Gold Major 1997
  • Type In-situ
    Estimate year 1997
    Measured 24115000mt ore
    Indicated 4294000mt ore
    Demonstrated 28409000mt ore
    Inferred 6663000mt ore
    Total resources 35072000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.96 g/mt Gold Major 1997

Comments on the reserve resource information

  • THIS PROPERTY AT ONE TIME WAS CALLED THE BALD MOUNTAIN MINE WHICH WAS AN UNDERGROUND OPERATION, ALSO CALLED THE BALD MOUNTAIN MINING CO. MINE. SEE MAS SEQ# 0460810076 FOR ENVIRONMENTAL DATA REOATED TO THAT MINE. TOTAL PROVEN ORE (MEAS) @ 0.96 G/MT + PROBABLE ORE (INID) @ 0.79 G/MT; ADIT ASSAY IS WEIGHTED AVG; AS OF 12/31/96: ADIT PRODUCTION; AVG LAST 5 YRS ORE PROCESSED; @ WEIGHTED AVG ORE GRADE 0.82 G/MT: WHARF MINE CONSISTS OF THE WHITESIDE/ANNIE CREEK, FOLEY RIDGE, JUNO CUT, NORTH GREATER PORTLAND, AMERICAN EAGLE, AND TROJAN DEPOSITS. THESE LAST THREE DEPOSITS ARE PART OF THE CLINTON PROJECT.
  • MINING DILUTION IS UNKNOWN; MINE RECOVERY IS 100%.
  • MINING DILUTION IS UNKNOWN; MINE RECOVERY IS 100%. RESOURCE RECORD 5; PROVEN ORE (MEAS) GRD - 0.96 G/MT; PROBABLE ORE (INDI) GRD - 0.79 G/MT; POSSILBE ORE (INFE) - GRD 0.93 G/MT. THE RESOURCE ASSAY OF RECORD 5 IS A WEIGHT AVG GRADE OF THESE: RESOURCE RECORD 6; PROVEN ORE (MEAS) GRD - 1.03 G/MT; PROBABLE ORE (INDI) GRD - 0.69 G/MT; POSSIBLE ORE (INFE) - GRD 0.93 G/MT THE RESOURCES ASSAY OF RECORD 6 IS A WEIGHT AVE GRADE OF THESE.

Workings at the site

  • Type of workings Surface
    Area 44HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method STRIP-LEVEL
    Swell Factor .61
    Percent Waste Rock 67
    Avg. Overburden Thickness 10
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 6.1
    Capacity 3693
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 7.03
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 2
    Year of Information 1988
  • Type of workings Surface
    Area 44HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method STRIP-LEVEL
    Swell Factor .61
    Percent Waste Rock 65.6
    Avg. Overburden Thickness 10
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 6.1
    Capacity 5718
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 5.88
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 2
    Year of Information 1988

Comments on the workings information

  • SEE MAS FILE BALD MOUNTAIN MINE SEQ 0460810076 FOR THE WHARF MINE ENVIRONMENTAL DATA.

Reference information

Bibliographic references

  • Reserve-Resource

    DATA PROVIDED BY WHARF RESOURCES INC, 1988:

  • Reserve-Resource

    WHARF RESOURCES LTD., 1992 ANNUAL REPORT.

  • Reserve-Resource

    WHARF RESOURCES LTD., 1993 ANNUAL REPORT, P11.

  • Reserve-Resource

    WHARF RESOURCES LTD., 1995 ANNUAL REPORT, P5.

  • Reserve-Resource

    GOLDCORP INC., WHARF RESOURCES LTD, 1996 FORM 40-F REPORT,

  • Reserve-Resource

    P18.

  • Deposit

    WHARF RESOURCES LTD. ANNUAL REPORT, 1987

  • Deposit

    WESTERN MINE ENGINEERING, 1987, MINING COST SERVICE:

  • Deposit

    SPOKANE, WA.

  • Deposit

    DATAQUEST, INC. 1988, COST REFERENCE GUIDE TO CONSTRUCTION

  • Deposit

    EQUIPMENT: SAN JOSE, CA.

  • Deposit

    THE MINING RECORD, 3-31-93, P.3.

  • Deposit

    METALS ECONOMICS GROUP, 1985 GUIDE TO US PRODUCING GOLD

  • Deposit

    MINES; BOULDER, COLO., P183.

General comments

Subject category Comment text
Deposit THIS PROPERTY AT ONE TIME WAS CALLED THE BALD MOUNTAIN MINE WHICH WAS AN UNDERGROUND OPERATION, ALSO CALLED THE BALD MOUNTAIN MINING CO. MINE. SEE MAS SEQ# 0460810076 FOR ENVIRONMENTAL DATA RELATED TO THAT MINE. THE MILL DESIGN CAPACITY FOR K1 & K2 CORRESPONDS TO 2650 L PER MIN. & 7570 L PER MIN., RESPECTIVELY. CLAIMS AND LEASES OF PRIVATE LAND. MINING CLAIMS WERE FILED FOR LANDS ADMINISTERED BY THE BLM AND THE USFS.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-OCT-97 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusActive since 12/30/2014
MSHA mine ID3901282
Mine name (MSHA)Coeur Wharf
Current operatorWharf Resources (USA) Inc
Current controller (parent)Coeur Mining, Inc.
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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