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Annapolis Mine

Past Producer in Iron county in Missouri, United States with commodities Cobalt, Copper, Lead, Nickel, Zinc
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Workings at the site
  16. Links to other databases
  17. Reporter information

Geologic information

Identification information

Deposit ID 10123293
MAS/MILS ID 0290930011
Record type Site
Current site name Annapolis Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -90.56931, 37.36477 (WGS84)
Elevation 195
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Iron(county)

Missouri(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Brunot(quadrangle 1:24,000 scale)

Piedmont(quadrangle 1:100,000 scale)

Rolla(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper St. Francis(hydrologic unit)

St. Francis(hydrologic accounting unit)

Lower Mississippi-St. Francis(hydrologic subregion)

Lower Mississippi(hydrologic region)

Geographic areas

Country State County
United States Missouri Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
5th Principal 031 N 003 E 14 SESE Missouri

Commodities

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

Materials information

Materials Type of material
Bravoite Unknown
Calcite Unknown
Chalcopyrite Unknown
Dickite Unknown
Dolomite Unknown
Galena Unknown
Linnaeite Unknown
Marcasite Unknown
Millerite Unknown
Pyrite Unknown
Quartz Unknown
Siegenite Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -90.56931, 37.36477
ListMap

Economic information

Ore body information

  • Thickness 5M
    Area 40HA
    Depth to top 135M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 BRECCIA FILL
    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 PYRITIZATION
    Type of Wallrock Alter. #3 SILICIFICATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 10
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 40
    Date of Last Modification 801021

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1865
Mining method Open Stope - Room and Pillar
Year of first production 1915
Milling method Flotation

Mining district

District name Annapolis

Mineral rights holdings

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

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner St. Joe Minerals Corp.
    Interest 100
    Home office New York
    Year 1975

Comments on the ownership information

  • IMPORTANT ADDRESSES: N. L.INDUSTRIES,INC., 111 BROADWAY, NEW YORK, N.Y. 10006. TEL. 212-732-9400 IMPORTANT ADDRESSES; ST. JOE MINERALS CORP., 250 PARK AVE., FOR FURTHER EXPLANATION OF ANNAPOLI DATA BASE REFER ALSO TO FLETCHER MAS DATA BASE, SEQ NO 0291790003.

Comments on the production information

  • CONCENTRATE OUTPUTS FOR PRODUCT RECORDS CALCULATED USING 544 MTPD MILL FEED INPUT AND THE UNBLENDED ANAPOLIS FEED GRADES.
  • YIELD SETS IN DEVELOPMENT SCHEDULE 2 DO NOT CONTAIN VALUES FOR SILVER OR CADMIUM IN PRODUCT RECORDS F AND G BECAUSE CONCENTRATE GRADES AND RECOVERIES ARE NOT KNOWN. THE YIELD ASSAY GRADES FOR EACH PRODUCT ARE CALCULATED USING THE BLENDED ASSAY GRADES (SEE COMMENT LINES F016-026, COL 4) AND TOTAL MILL FEED PRODUCTION, 5079 MTPD, GOING INTO FLETCHER MILL

Workings at the site

  • Type of workings Underground
    Overall depth 140M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings FLOODED
    Capacity 544
    Capacity Units MT ORE/DAY
    Unit Production Cost 16.3
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1979
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 2
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    1st Condition of Workings UNKNOWN
    2nd Condition of Workings FLOODED
    Capacity 544
    Unit Production Cost 16.3
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1979

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 07-JUN-93 M.D.&A.H. U.S. Bureau of Mines

Beyond USGS

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

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