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Big Ledge Mine

Producer in Elko county in Nevada, United States with commodity Barium-Barite
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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. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10246565
MAS/MILS ID 320070904
Record type Site
Current site name Big Ledge Mine
Alternate or previous names Big Ledge

Geographic coordinates

Point of reference Pit
Geographic coordinates: -115.0386, 41.5028 (WGS84)
Elevation 2440
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stormy Peak(quadrangle 1:24,000 scale)

Jarbidge Mountains(quadrangle 1:100,000 scale)

Wells(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 042 N 061 E 26 Nevada

Commodities

Commodity Importance
Barium-Barite Critical Primary

Materials information

Materials Type of material
Barite Unknown

Nearby scientific data

Pit (1) -115.0386, 41.5028
ListMap

Economic information

Ore body information

  • Strike N30E
    Dip 40W
    Thickness 30M
    Length 380M
    Width 105M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Strike And Dip N30E:40W
    Date of Last Modification 850826
  • Strike N35W
    Dip 35W
    Thickness 30M
    Length 380M
    Width 105M
    Area 100HA
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N35W:35W
    Minimum Depth to Top 0
    Total Surface Area (HA) 100
    Date of Last Modification 830902

Comments on the geologic information

  • SHALE IS SOMETIMES REFERRED TO AS ARGILLITE AT THE BIG LEDGE

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Significant Yes
Discovery year 1978

Mining district

District name Snake Mountains

Mineral rights holdings

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

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner Mary'S River Ranch
    Home office Nevada
    Year 1983
  • Type Owner-Operator
    Owner Chromalloy American Corp. (Leasee/Operator)
    Home office Missouri
    Year 1983
  • Type Owner-Operator
    Owner Circle A Construction
    Home office Nevada
    Year 1991
  • Type Unknown
    Owner NOV Minerals LP
    Year 2013

Comments on the production information

  • One of 4 mines producing barite in Nevada in 2012.

Comments on the reserve resource information

  • MARTIX 1 COLUMN 1 IS MINE PRODUCT GRADE & TONNAGE. SPECIFIC GRAVITY IS 3.9. S.R.= 6.9:1 (MT WASTE TO MT ORE). MATRIX 2 COLUMN 1 IS DEMONSTRATED RESOURCE WHICH INCLUDES MEASURED RESERVE IN MATRIX 1, COLUMN 1 SPECIFIC GRAVITY OF M2C1 Q-P50 IDENTIFIED RESOURCE IS 3.85.
  • AS OF AUGUST 1983, THERE HAS BEEN NO KNOWN PUBLISHED RESERVE FOR BIG LEDGE. NO PUBLISHED RESERVE-RESOURCE INFORMATION.

Workings at the site

  • Type of workings Surface
    Area 3HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method OPEN PIT
    Swell Factor .5
    Percent Waste Rock 87.3
    Avg. Overburden Thickness 0
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 15
    Max. Pit Slope (degrees) 60
    Capacity 600
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 14.53
    Units of Production $/MT ORE
    Operating Days per Year 180
    Operating Shifts per Day 1
    Year of Information 1983

Reference information

Bibliographic references

  • Deposit

    CARLSON, G. N., AND R. A. BAUER. BARITE - U.S. PRODUCTION CONTINUES STRONG, SETS RECORD AT 2.4 MILLION S.T. ENG. AND MIN. J., V. 183, NO. 3, 1982, PP. 135-136.

  • Deposit

    COOPE, B. M. (ED.). WORLD BARYTES PRODUCERS - A REVIEW. IND. MIN. (LONDON), NO. 130, 1978, PP. 39-40.

  • Deposit

    DUNHAM, A. C., AND J. S. HANOR. CONTROLS ON BARITE MINERALIZATION IN THE WESTERN UNITED STATES. ECON. GEOL. AND BULL. SOC. ECON. GEOL., V. 62, NO. 1, 1967, PP. 82-94.

  • Deposit

    GARDNER, D. H. STRUCTURE AND STRATIGRAPHY OF THE NORTHERN PART OF THE SNAKE MOUNTAINS, ELKO COUNTY, NEVADA. PH.D. DISS., UNIV. OR, EUGENE, OR, 1968, 222 PP.

  • Deposit

    GRANGER, A. E., M. M. BELL, G. C. SIMMONS, AND F. LEE. GEOLOGY AND MINERAL RESOURCES OF ELKO COUNTY, NEVADA. NV BUREAU OF MINES AND GEOL. BULL. 54, 1957, 190 PP.

  • Deposit

    HOPE, R. A., AND R. R. COATS. PRELIMINARY GEOLOGIC MAP OF ELKO COUNTY, NEVADA. U.S. GEOL. SURV. OPEN-FILE MAP 76-779, 6 SHEETS, 1976, SCALE 1:100,000.

  • Deposit

    PAPKE, K. BARITE DEPOSITS IN NEVADA. NV BUREAU OF MINES AND GEOL. BULL. 98, 1984, 125 PP.

  • Deposit

    SMITH, R. M. MINERAL RESOURCES OF ELKO COUNTY, NEVADA. U.S. GEOL. SURV. OFR 76-56, 1976, 194 PP.

  • Deposit

    TINGLEY, J. V. SUMMARY REPORT, MINERAL INDUSTRY OF THE WELLS RESOURCE AREA, ELKO COUNTY, NEVADA (BLM CONTRACT NO. YA-512-CT9-156). NEVADA BUREAU OF MINES AND GEOLOGY OPEN FILE REPORT 81-4, 1981, 46 PP.

  • Deposit

    WARREN, R. E. MINE CLOSURES SIGNAL DRAMATIC TURN-DOWN IN MINING INDUSTRY. NV MIN. ASSOC. BULL., V. 6, NO. 3, 1982, PP. 1-3, 20.

  • Deposit

    WATSON, I. BARYTES - U.S. DRILLING DOWNTURN WEIGHS HEAVILY ON THE MARKET. IND. MIN. (LONDON), NO. 183, 1982, PP. 21-57.

  • Deposit

    NEV. DIV. MINE INSPECTION, 1991, DIRECTORY OF NEVADA MINE OPERATIONS ACTIVE DURING CALENDAR YEAR 1990, P. 25.

  • Deposit

    Miller, M., 2013, Barite, in Industrial Minerals Review 2012: Mining Engineering, v. 65, no. 7, p. 41-42.

Reporter information

Type Date Name Affiliation Comment
Reporter 1991-08-15 Ridenour, James U.S. Bureau of Mines
Editor 2013-07-17 Wilson, Anna B U.S. Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.