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Stanley Mine

Past Producer in Page county in Virginia, United States with commodities Manganese, Cobalt, Nickel
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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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  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 10105492
MRDS ID W000673
Record type Site
Current site name Stanley Mine
Alternate or previous names Eurekamine

Geographic coordinates

Geographic coordinates: -78.51055, 38.56004 (WGS84)
Elevation 427
Relative position 1.6 KM (1.0 MI) SOUTH OF STANLEY.

Site location context

Political divisions (FIPS codes)

Page(county)

Virginia(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stanley(quadrangle 1:24,000 scale)

Front Royal(quadrangle 1:100,000 scale)

Charlottesville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Shenandoah(hydrologic unit)

Potomac(hydrologic accounting unit)

Potomac(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States Virginia Page

Comments on the location information

  • ON THE NORTHWEST END OF ROUNDHEAD MOUNTAIN, 200 M (656 FT) SOUTH-SOUTHEAST OF A DIRT ROAD APPROXIMATELY 1.0 KM (0.6 MI) BY ROAD WEST OF ITS INTERSECTION WITH STATE ROAD 622.

Commodities

Commodity Importance
Manganese Critical Primary
Cobalt Critical Tertiary
Nickel Critical Tertiary

Materials information

Materials Type of material
Manganite Ore
Psilomelane Ore
Pyrolusite Ore
Wad Ore
Limonite Gangue

Analytical data

Result ANALYSIS OF MN ORE: 51.46% MN, 2.94% FE, 0.23% P, 4.17% SIO2: ORE FROM 1928-1937 AVERAGED 46% MN, 3.5% FE, 0.15% P, AND 6-12% SIO2.

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Clay, Mud
    Rock unit name Clay Residuum;Shady Dolomite
    Rock description Clay Residuum;Shady Dolomite

Nearby scientific data

(1) -78.51055, 38.56004
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Ne-Sw Trend
Type of structure Local
Structure description Syncline, Strike-Slip Fault

Ore body information

  • General form IRREGULAR
    Dip NW

Controls for ore emplacement

  • Clay Residuum

Comments on the geologic information

  • CLAY RESIDUUM DERIVED FROM WEATHERING OF THE SHADY DOLOMITE. THE ANTIETAM FORMATION BORDERS THE MINE WORKINGS. ; GEOL.DESC: HARD MANGANESE OXIDE NODULES IN RESIDUAL CLAY OVERLYING TOMSTOWN DOLOMITE(LOWER CAMBRIAN)COBALT NOT MENTIONED BUT PROBABLY PRESENT

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1880
Year of first production 1895
Year of last production 1938

Mining district

District name Elkton Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Paul Tyler

Production statistics

  • Year 1920
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^39.77% Mn, Valued At ?14,474
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 40wt-pct
  • Year 1929
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^38% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 38wt-pct
  • Year 1930
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^41.5% Mn, 2.9% Fe, 16.8% Sio2: Valued At ?5,402
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    SiO2 Silica Silica 17wt-pct
    Iron Iron 3wt-pct
    Ore Manganese Manganese 42wt-pct
  • Year 1931
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^45% Mn, 2.8% Fe, Valued At ?6,074
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 3wt-pct
    Ore Manganese Manganese 45wt-pct
  • Year 1932
    Material ?
    Description Ap_Grade: ^42% Mn, Valued At $2,355
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Manganese Manganese 42wt-pct
  • Year 1933
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^43% Mn, 5% Fe, 13.4% Sio2, 0.12% P, Value- $14,186
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Phosphorus-Phosphates Phosphorus 0wt-pct
    SiO2 Silica Silica 13wt-pct
    Iron Iron 5wt-pct
    Ore Manganese Manganese 43wt-pct
  • Year 1934
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^45.3% Mn, 8.7% Fe, 10% Sio2, Valued At ?3,572
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    SiO2 Silica Silica 10wt-pct
    Iron Iron 9wt-pct
    Ore Manganese Manganese 45wt-pct
  • Year 1935
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^33% Mn, Valued At $909
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 33wt-pct
  • Year 1935
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^1210 Tons- Met., 45% Mn, 2.9% Fe, 0.45% P, 8.6% Sio2: 150 Tons- Misc., 42.5% Mn, 3% Fe, 9% Sio2, 0.12% P: Total Value $17,302.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    SiO2 Silica Silica 9wt-pct
    Phosphorus-Phosphates Phosphorus 0wt-pct
    Iron Iron 3wt-pct
    Ore Manganese Manganese 45wt-pct
  • Year 1936
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^50 Tons Metallurgical- 37% Mn, 350 Tons- 43.5% Mn, Totat Value $5,450
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 37wt-pct
  • Year 1937
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^44% Mn, Valued At $1,568
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 44wt-pct
  • Year 1938
    Period 1920-1938
    Material ORE MN
    Accuracy Accurate
    Description Cp_Grade: ^Metallurgical And Miscellaneous Ore, Averaged 41% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 41wt-pct
  • Year 1938
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^33.5% Mn, Valued At $450
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 34wt-pct
  • Year 1938
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^43% Mn, Valued At $350
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 43wt-pct

Comments on the production information

  • FIRST PRODUCTION WAS IN 1890'S; A CONSIDERABLE TONNAGE OF CONCENTRATES IS REPORTED TO HAVE BEEN SHIPPED

Comments on the reserve resource information

  • RESERVES UNKNOWN

Workings at the site

  • Type of workings Surface/Underground
    Area 1.619HA

Comments on the workings information

  • WORKINGS CONSIST OF 2 LARGE OPENCUTS, WITH AN AREA OF ABOUT 4 ACRES, AND A NUMBER OF SHAFTS AND PITS. EXTENSIVE DUMPS SPREAD DOWN SLOPE FROM THE WORKINGS TO THE NORTHWEST. SOME ORE CAN BE FOUND ON THE DUMPS.

Comments on development

  • MANGANESE WAS FIRST DISCOVERED BEFORE 1880, BUT NO PRODUCTION OCCURRED UNTIT THE 1890'S, WHEN CONSIDERABLE TONNAGE OF CONCENTRATES WAS SHIPPED. THE SHENANDOAH VALLEY MANGANESE CORP. OPERATED THE MINE IN 1918 AND 1919 AND SHIPPED 13 CARLOADS OF CONCENTRATES. THE MINE LAY IDLE UNTIL 1928 WHEN PAUL TYLER REOPENED IT AND OPERATED IT UNTIT 1938, APPARENTLY UNDER THE NAME OF STANLEY MANGANESE MINES ASSC. HE SHIPPED SOME ORE IN 1938 AND THEN ALL THE BUILDINGS WERE DISMANTLED AND THE EQUIPMENT SOLD FOR JUNK. THERE HAS BEEN NO PRODUCTION SINCE 1938. THE MINE WAS KNOWN AS THE EUREKA MINE IN THE 1890'S.

Reference information

Bibliographic references

  • Deposit

    KING, P.B., 1950, GEOLOGY OF THE ELKTON AREA, VIRGINIA: USGS PROF. PAPER 230, 82 P.

  • Deposit

    KING, P.B., 1943, MANGANESE DEPOSITS OF THE ELKTON AREA, VIRGINIA: USGS BULL. 940-B, P. 15-55.

  • Deposit

    STOSE, G.W., MISER, H.D., KATZ, F.J., AND HEWETT, D.F., 1919, MANGANESE DEPOSITS OF THE WEST FOOT OF THE BLUE RIDGE, VIRGINIA: VA. GEOLOGICAL SURVEY BULL. 17, 166 P.

  • Deposit

    ALLEN, R.M., JR., 1967, GEOLOGY AND MINERAL RESOURCES OF PAGE COUNTY: VDMR BULL. 81, 78 P.

  • Deposit

    HARDER, E.C., 1910, MANGANESE DEPOSITS OF THE UNITED STATES: USGS BULL. 427, P. 55-56.

  • Deposit

    WATSON, T.L., 1907, MINERAL RESOURCES OF VIRGINIA: LYNCHBURG, VIRGINIA, J.P. BELL CO., 618 P.

  • Deposit

    MORRILL, P., 1972, VIRGINIA MINES AND MINERALS: ROCKS AND MINERALS MAGAZINE, VOL. 47, NO. 6, P. 370.

  • Deposit

    PRIME, F., JR., 1880, THE MINERAL RESOURCES OF THE PAGE VALLEY: THE VIRGINIAS, VOL. 1, P. 34-36.

  • Production

    REFERENCE(1)

  • Reserve-Resource

    UNPUBLISHED COBALT REPORT

General comments

Subject category Comment text
Deposit MINE IS IN CLAYEY RESIDUUM OVERLYING THE LOWER BEDS OF THE SHADY DOLOMITE AND IS ON THE NORTHWARD PROJECTION OF A SYNCLINE WITH A STRIKE-SLIP FAULT OF RIGHT-LATERAL MOVEMENT LOCATED SOUTH OF THE MINE. JUST UPSLOPE THE CLAY IS BORDERED BY OUTCROPS OF THE ANTIETAM FORMATION. THE TWO LARGE OPENCUTS EXPOSE BUFF, BROWN, OR RED CLAY, IN PART SANDY, WITH A VARIED BUT OBSCURE DIP TO THE NORTHWEST. THE CLAY CONTAINS CHALCEDONIC CHERT, JASPEROID, MANGANESE NODULES AND VEINS OF LIMONITE. BETWEEN 1928-1937 NEAR THE WEST END OF THE NORTHERN OPENCUT, A LENS-SHAPED BODY OF SOLID MANGANESE ORE 3 M (10 FT) THICK, WHICH PINCHED OUT DOWN DIP, WAS MINED OUT. IN THE SOUTHERN OPENCUT A STEEP-SIDED DEPRESSION MAY BE SEEN IN THE CLAY THAT IS FILLED BY GRAVEL DEPOSITS CONSISTING OF RED SAND ENCLOSING DEEPLY WEATHERED SANDSTONE PEBBLES AND COBBLES. THIS MATERIAL CONTAINS MANY HIGHLY SILICEOUS, SPHERICAL AND BOTRYOIDAL MANGANESE NODULES WHICH WERE AVOIDED DURING MINING. BOTH THE RESIDUAL CLAYS AND THE ANCIENT
Deposit GRAVELS ARE UNCONFORMABLY OVERLAIN BY FANGLOMERATES CONTEMPORANEOUS WITH THE OLDER GRAVEL UNIT, WHICH DIP STEEPLY AWAY FROM THE MOUNTAIN AND ATTAIN A THICKNESS OF 4.6 M (15 FT). THE FANGLOMERATE UNIT TRUNCATED VEINS OF LIMONITE AND MANGANESE IN THE CLAY, AND THE GRAVEL CONTAINS REWORKED MANGANESE FRAGMENTS DERIVED FROM THE CLAY. EXCEPT FOR THE SILICEOUS ORE IN THE GRAVEL DEPOSIT VERY LITTLE MANGANESE ORE IS PRESENT AND RESERVES ARE SMALL AT BEST.
Deposit DURING THE TIME OF OPERATION THE SHENANDOAH VALLE Y MANGANESE CORP., THE MINE AND WASHER WERE CONNECTED WITH THE MAIN LINE OF THE NORFOLK AND WESTERN RAILROAD BY A BRANCH RAILWAY. THE WASHER WAS LOCATED ON THE EAST SIDE OF STONY RUN. DURING OPERATIONS BY TYLER THE ORE WAS HAULED FROM THE MINE BY TRUCK. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Coury, Anny B. U.S. Geological Survey
Updater 01-JUL-1982 Trimble, David, C. U.S. Geological Survey

Beyond USGS

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

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