Higdon Mine

Prospect in Bollinger county in Missouri, United States with commodities Cobalt, Copper, Lead, Nickel, 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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10219296
MAS/MILS ID 0290170092
Record type Site
Current site name Higdon Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -90.1418, 37.60837 (WGS84)
Elevation 260
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Perry(county)

Missouri(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Higdon(quadrangle 1:24,000 scale)

Farmington(quadrangle 1:100,000 scale)

Rolla(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Whitewater(hydrologic unit)

Upper Mississippi-Meramec(hydrologic accounting unit)

Upper Mississippi-Kaskaskia-Meramec(hydrologic subregion)

Upper Mississippi(hydrologic region)

Geographic areas

Country State County
United States Missouri Bollinger

Public Land Survey System information

Meridian Township Range Section Fraction State
5th Principal 034 N 008 E 34 N2SWNW Missouri

Commodities

Commodity Importance
Cobalt Critical Tertiary
Copper Secondary
Lead Primary
Nickel Critical Tertiary
Zinc Critical Secondary

Materials information

Materials Type of material
Calcite Unknown
Chalcopyrite Unknown
Dolomite Unknown
Galena Unknown
Linnaeite Unknown
Marcasite Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -90.1418, 37.60837

Economic information

Ore body information

  • Thickness 4M
    Length 2000M
    Width 100M
    Area 200HA
    Depth to top 400M
    Field Value
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 DOLOMITIZATION
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N45W:
    Minimum Depth to Top 350
    Avg. Thick. Unconsol. Mat. 20
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 200
    Date of Last Modification 810428

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1963
Mining method Open Stope - Room and Pillar
Milling method Flotation

Mining district

District name Southeast Mo

Mineral rights holdings

Type of mineral rights Private Lease
Type of mineral rights Federal Lease
Type of mineral rights Fee Ownership

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner Bunker Hill Mining Co.
    Interest 100
    Home office Idaho
    Year 1977

Comments on the ownership information

  • BUNKER HILL MINING COMPANY IS A WHOLLY OWNED SUBSIDIARY OF GULF RESOURCES AND CHEMICAL CORP.

Comments on the production information

  • BUNKER HILL MINING CO. HAS BEEN DRILLING SINCE 1978 IN THE VICINITY OF THE HIGDON DEPOSIT.T
  • CAPACITY FIGURE INCLUDES 15% DILUTION. SEE COMMENTS 025-027. CAPACITY AND OUTPUT VALUES ARE UNBLENDED, I. E., THE VALUES APPLY ONLY TO HIDGON. PRODUCT OUTPUTS ARE BASED UPON SPECIFIC, OR NON-BLENDED, MILL FEEDS. ASSAY VALUES FOR THE CONCENTRATE GRADES ARE BASED UPON BLENDED FEED GRADES AND RECOVERIES, COMBINED MILL FEED TONNAGES, AND THEIR COMBINED TOTAL MILL OUT- PUTS.

Reserves and resources

  • Type In-situ
    Estimate year 1968
    Indicated 3640000mt ore
    Demonstrated 3640000mt ore
    Total resources 3640000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 1.66 wt-pct Zinc Minor 1968
    Lead Pb 4.85 wt-pct Lead Major 1968
    Copper Cu 0.53 wt-pct Copper Minor 1968

Comments on the reserve resource information

  • PUBLISHED RESERVES RECORD ONE IS NOT USED AS A BASIS FOR QUANTITY RESOURCES MATRIX ONE BECAUSE MORE RECENT UNPUBLISHED ESTIMATES ARE AVAILABLE.

Workings at the site

  • Type of workings Underground
    Overall depth 437M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .81
    Percent Waste Rock 13
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    Capacity 726
    Capacity Units MT ORE/DAY
    Unit Production Cost 6.75
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1979
  • Type of workings Underground
    Overall depth 437M
    Field Value
    MAS Development Schedule # 2
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .81
    Percent Waste Rock 13
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    Capacity 726
    Capacity Units MT ORE/DAY
    Unit Production Cost 6.75
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1979

Reference information

Bibliographic references

  • Ownership

    ANNUAL REPT., GULF RESOURCES AND CHEMICAL CORP., 1976, P.12.

  • Reserve-Resource

    PROXY STATEMENT, GULF RESOURCES AND CHEMICAL CORP., 4/22/68,

  • Reserve-Resource

    PP. 27, 32-33.

General comments

Subject category Comment text
Deposit U.S. BUREAU OF MINES MINERALS AVAILIBILITY SYSTEM GRANT NO. GO 155019, 1976, HAGNI, R.D., AND D.R. JESSEY, ENTITLED "COLLECTION, EVALUATION, AND CLASSIFICATION OF MINERAL RESOURCES INFORMATION ON COBALT AND NICKEL IN MISSOURI." EVALUATION BY NTERMOUNTAIN FIELD OPERATIONS CENTER, DENVER, COLORADO. CONCENTRATOR, FEED, AND YIELD DATA SETS APPLY TO THE BLENDED, COMBINED THROUGH-PUT FOR THE HIGDON AND BONNE TERRE MINES FOR THE PERIOD 1981 TO 1990. PRODUCT DATA SETS APPLY ONLY TO THE HIGDON MINE. OUTPUTS ARE CALCULATED ON THE BASIS OF THE CHIEF ELEMENT IN EACH CONCENTRATE.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-JUN-93 T.D.&D.W. U.S. Bureau of Mines

Beyond USGS

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