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Julia Mine

Prospect in Louisa county in Virginia, United States with commodities Copper, Sulfur-Pyrite, Sulfur, Sulfur, Sulfuric Acid, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10276910
MRDS ID W000472
MAS/MILS ID 0511090010
Record type Site
Current site name Julia Mine
Related records 10067672

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -77.9278, 38.0089 (WGS84)
Elevation 122
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Louisa(county)

Virginia(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mineral(quadrangle 1:24,000 scale)

Fredericksburg(quadrangle 1:100,000 scale)

Washington(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Pamunkey(hydrologic unit)

Lower Chesapeake(hydrologic accounting unit)

Lower Chesapeake(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States Virginia Louisa

Commodities

Commodity Importance
Copper Primary
Sulfur-Pyrite Tertiary
Sulfur Primary
Sulfur, Sulfuric Acid Primary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Unknown
Galena Unknown
Magnetite Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Sericite Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -77.9278, 38.0089
ListMap

Economic information

Ore body information

  • Strike N43E
    Dip 82S
    Thickness 7.7M
    Length 243.9M
    Area 20HA
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FOLDING
    Secondary Ore Control CONTACT ZONE
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 PYRITIZATION
    Strike And Dip N43E:82S
    Minimum Depth to Top 100
    Avg. Thick. Unconsol. Mat. 50
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 20
    Date of Last Modification 810316

Comments on the geologic information

  • ACTUAL MINERALIZATION FOLLOWS THE FOLIATION OF THE METAMORPHIC ROCK (SCHISTS). FOR THE PURPOSE OF THIS EVALUATION, THE TWO PYRITE LENSES WILL BE COMBINED AND TREATED AS A SINGLE ORE BODY.

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Both
Deposit size Small
Significant Yes
Discovery year 1834
Mining method Shrinkage Methods - Overhand Shrinkage

Mining district

District name Virginia Gold Pyrite

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Hemmer Heirs
    Interest 100
    Home office Virginia
    Year 1993

Comments on the production information

  • MILL INVESTMENT IS THE REPEATED COST OF THE ORIGINAL ARMINIUS MILL INVESTMENT.
  • EXACT RECOVERY FOR ZN IN ZNSO4 IS 100.4 PERCENT. RECOVERY FOR ZN IN ZNSO4 IS GREATER THAN 100 PERCENT BECAUSE SOME OF THE ZINC ADDED AS A REAGENT IS RECOVERED. EXACT RECOVERY FOR CU IS 95.0 PERCENT. EXACT RECOVERY FOR S IN H2SO4 IS 49.7 PERCENT. EXACT RECOVERY FOR S IN SO2 IS 18.3 PERCENT.

Workings at the site

  • Type of workings Underground
    Overall depth 250M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OVERHAND SHRINKAGE 10-67
    Percent Recovery 90
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. TIMBER
    Number of Shafts 2
    Capacity 680
    Capacity Units MT ORE/DAY
    Unit Production Cost 18.2
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 2
    Year of Information 1980

Comments on the workings information

  • TOTAL LAND HOLDING IS 140.9 HECTARES.

Reference information

Bibliographic references

  • Deposit

    CALLAHAN MINING CORPORATION LETTER OF CORRESPONDENCE TO

  • Deposit

    R.C. BOWYER. SEPT. 8, 1980, P. 1,

  • Deposit

    PLUS ENCLOSURES, 2 PP.

  • Deposit

    CURRIER, L.W. ZINC AND LEAD REGION OF SOUTHWESTERN

  • Deposit

    VIRGINIA. VA. GEOL. SURV. BULL. 43, 1935, 122 PP.

  • Deposit

    HOOVER, A. SHRINKAGE STOPING. SME MINING ENGINEERING

  • Deposit

    HANDBOOK, VOL. 1, CHAPTER 12, 1973, PP. 135 - 140.

  • Deposit

    *KAZDA. R.F., AND R.W. HOOVER. ARMINIUS MINE, LOUISA

  • Deposit

    COUNTY, VIRGINIA. CALLAHAN MINING CORPORATION, JUNE

  • Deposit

    1978, 20 PP.

  • Deposit

    *LAKE, J.L. PROCESS FOR RECOVERY OF ZINC SULFATE,

  • Deposit

    SULFURIC ACID, LIQUID SO2, AND CATHODE COPPER FROM

  • Deposit

    ARMINIUS MINE ORE. CALLAHAN MINING CORPORATION,

  • Deposit

    NOVEMBER 1, 1978, 51 PP.

  • Deposit

    LONSDALE, J.T. GEOLOGY OF THE GOLD-PYRITE BELT OF THE

  • Deposit

    NORTHEAST PIEDMONT, VIRGINIA. VIRGINIA GEOL. SURV.

  • Deposit

    BULL. 30, 1927, 110 PP.

  • Deposit

    *NEWBERG, D.W. CALCULATION OF ORE RESERVES, JULIA

  • Deposit

    MINE AREA, LOUISA COUNTY, VIRGINIA. NEW JERSEY

  • Deposit

    ZINC COMPANY, JANUARY 1967, 11 PP.

  • Deposit

    VIRGINIA DIVISION OF MINERAL RESOURCES, VIRGINIA MINERALS,

  • Deposit

    V. 22, NO. 2, JAMES L. CLEAVER, COMMISSIONER,

  • Deposit

    MAY 1976, P. 23.

  • Deposit

    *WEINBERG, E.L. REPORT OF EXPLORATION OF THE JULIA

  • Deposit

    ZINC COMPANY, JUNE 1958, 10 PP.

  • Deposit

    *COMPANY REPORTS CAN BE OBTAINED FROM CALLAHAN MINING

  • Deposit

    CORPORATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 30-APR-96 Rcb Tm Dh 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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