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  3. Mineral Resource Data System (MRDS)

Relief Canyon

Plant in Pershing county in Nevada, United States with commodities Fluorine-Fluorite, Gold, Silver
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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. 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 10222191
MRDS ID M242418
MAS/MILS ID 0320270720
Record type Site
Current site name Relief Canyon
Alternate or previous names Emerald Spar Fluorite
Related records 10047165, 10310376

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -118.17127, 40.2041 (WGS84)
Elevation 1645
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buffalo Mountain(quadrangle 1:24,000 scale)

Lovelock(quadrangle 1:100,000 scale)

Lovelock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Carson Desert(hydrologic unit)

Carson(hydrologic accounting unit)

Central Lahontan(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Pershing

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 027 N 034 E 16 SW Nevada

Comments on the location information

  • GENERAL LOCATION IS ABOUT 24 KM EAST OF LOVELOCK. PRODUCTION STARTED IN OCTOBER OF 1984. THE ORE BODY WAS MINED OUT BY SEPT 1989. HEAP LEACH RECOVERY OPERATION CLOSED AUG. 1990. MINE AREA IN RECLAIMATION.

Commodities

Commodity Importance
Fluorine-Fluorite Critical Tertiary
Gold Primary
Silver Primary

Materials information

Materials Type of material
Clay Unknown
Electrum Unknown
Fluorite Unknown
Gold Unknown
Hematite Unknown
Jasper Unknown
Pyrite Unknown
Quartz Unknown
Sericite Unknown

Nearby scientific data

Ore Body (1) -118.17127, 40.2041
ListMap

Economic information

Ore body information

  • Length 730M
    Width 550M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 BRECCIA FILL
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control LITHOLOGY
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 INTERM ARGILLIC
    Date of Last Modification 850826
  • Strike N15E
    Dip 12W
    Thickness 11M
    Length 730M
    Width 490M
    Area 233HA
    Field Value
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FOLDING
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 SERICITIC
    Strike And Dip N15E:12W
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 233
    Date of Last Modification 840730

Comments on the geologic information

  • GOLD IS IN AND NEAR JASPEROID SILICIFICATION PRINCIPALLY WITHIN A SEDIMENTARY BRECCIA AT THE CONTACT BETWEEN THE ABOVE 2 HOST FORMATIONS.

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Both
Deposit size Small
Significant Yes
Discovery year 1979
Mining method Bench (Berm)
Year of first production 1984
Plant type Leach
Plant subcategory Ion Exchange-Electrowin
Milling method Hydrometallurgy Unspecified

Mining district

District name Relief-Antelope

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Fee Ownership

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner J. D. Welsh And Assoc.
    Interest 100
    Home office Nevada
    Year 1994
    First year 1993
  • Type Owner
    Owner Pegasus Gold Inc.
    ID 2670105
    Interest 100
    Home office Washington
    Year 1984
    First year 1984
    Last year 1993

Comments on the ownership information

  • PROPERTY SOLD BY PEGASUS IN DEC., 1993.

Comments on the production information

  • PRODUCTION IN 1990 RECOVERY OP AT 4100 OZ GOLD.

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Demonstrated 3300000mt ore
    Total resources 6350000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.03 g/mt Gold Major 1983
  • Type In-situ
    Estimate year 1983
    Total resources 7250000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.3699 g/mt Gold Major 1983
  • Type In-situ
    Estimate year 1984
    Total resources 8160000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.1 g/mt Gold Major 1984

Comments on the reserve resource information

  • PUBLISHED RESERVES SHOWN AS MORE THAN 8M TONNES IN THE MINING JOURNAL MAY 18, 1984 P337, BUT NO R SET IS INCLUDED.
  • OPERATION CLOSED, 08/90.

Workings at the site

  • Type of workings Surface
    Area 31HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .6
    Percent Waste Rock 73.2
    Primary Material Cover SAND, GRAVEL
    Percentage 0
    Secondary Material Cover M-HARD ROCKS
    Percentage 0
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 5
    Max. Pit Slope (degrees) 50
    Capacity 4600
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 3.58
    Units of Production $/MT ORE
    Operating Days per Year 200
    Operating Shifts per Day 2
    Year of Information 1984

Comments on other economic factors

  • HEAP LEACH OPERATION. 1988 PRODUCTION= 40,000 OZ. 1989 PROD. = 29,900 OZ FROM 1,450,000 MT LEACHED. 1989 RESERVE = 0 (MINED OUT?).

Reference information

Bibliographic references

  • Ownership

    NEV. DIV. MINE INSPECTION, 1991, DIRECTORY OF NEVADA MINE

  • Ownership

    OPERATIONS ACTIVE DURING CALENDAR YEAR 1990, P. 77.

  • Ownership

    RANDOL, 1994/95, MINES DIRECTORY, US MINES AND MINING

  • Ownership

    COMPANIES, P344.

  • Reserve-Resource

    PEGASUS GOLD INC., 1994 10K REPORT, P.6.

  • Deposit

    90. CLISBY, H. NEVADA'A PRECIOUS METALS PICTURE LOOKING

  • Deposit

    BETTER ALL THE TIME. BIG SKY PAYDIRT (BISBEE, AZ),

  • Deposit

    NO. 36, SEPT. 1983, PP. 21A- 25A.

  • Deposit

    199. FIANNACA, M., AND J. MCKEE. GEOLOGY AND DEVELOPMENT

  • Deposit

    OF THE RELIEF CANYON GOLD DEPOSIT, PERSHING COUNTY,

  • Deposit

    NEVADA. PAPER PRES. AT NORTHWEST MIN. ASSOC., 89TH ANNU.

  • Deposit

    CONV., DEC. 1-3, 1983, SPOKANE, WA, 20 PP; AVAILABLE UPON

  • Deposit

    REQUEST FROM NORTHWEST MIN. ASSOC., 633 PEYTON BLDG.,

  • Deposit

    SPOKANE, WA 99201.

  • Deposit

    224. GRACE, K. A. EXPLORATION AND DEVELOPMENT IN 1982.

  • Deposit

    WORLD MIN. (YEARBOOK), V. 36, NO. 8, 1983, PP. 60-61.

  • Deposit

    329. JOHNSON, M. G. GEOLOGY AND MINERAL DEPOSITS OF

  • Deposit

    PERSHING COUNTY, NEVADA. NEVADA BUREAU OF MINES AND

  • Deposit

    GEOLOGY BULLETIN 89, 1977, 115 PP.

  • Deposit

    331. JONES, A. LACANA IN NEVADA GOLD BET WITH 2-STAGE

  • Deposit

    DRILL PROGRAM. THE NORTHERN MINER (TORONTO), V. 68,

  • Deposit

    NO. 48, FEB. 3, 1983, PP. 1-2.

  • Deposit

    496. NEVADA MINING ASSOCIATION (RENO). LACANA CONSTRUCTS

  • Deposit

    TEST "HEAPS" FOR RELIEF CANYON MINE. NV. MIN. ASSOC. BULL.,

  • Deposit

    V. 7, NO. 3, 1983, P. 14.

  • Deposit

    525. NORTH AMERICAN GOLD MINING INDUSTRY NEWS. LACANA

  • Deposit

    TREATING ORE HEAPS AT RELIEF CANYON PROPERTY. VOLUME 2,

  • Deposit

    ISSUE 19, OCT. 12, 1984, P. 13.

  • Deposit

    530. NORTHERN MINER (TORONTO). LACANA INCREASES PROFIT,

  • Deposit

    REVENUE CITES ACTIVITY ON SEVERAL FRONTS. SEPT. 1, 1983,

  • Deposit

    P. 5.

  • Deposit

    658. SKILLINGS' MINING REVIEW. LACANA TO PROCEED WITH

  • Deposit

    RELIEF CANYON GOLD PROJECT IN NEVADA: HEAP LEACHING TO

  • Deposit

    BEGIN IN OCTOBER AT DEPOSIT NEAR LOVELOCK, NEV. V. 73,

  • Deposit

    NO. 19, 1984, P. 21.

  • Deposit

    662. SLAVIK, G. (ED.). PINSON MINE, FLORIDA CANYON

  • Deposit

    DEPOSIT, ROCHESTER DISTRICT, AND RELIEF CANYON DEPOSIT.

  • Deposit

    GEOL. SOC. NV 1984 MEETING, FIELD TRIP, AND ROAD LOG,

  • Deposit

    SEPT. 21-23, 1984, RENO, NV, 68 PP.

  • Deposit

    755. WALLACE, R. E., N. J. SILBERLING, W. P. IRWIN, AND D.

  • Deposit

    B. TATLOCK. GEOLOGIC MAP OF THE BUFFALO MOUNTAIN

  • Deposit

    QUADRANGLE, PERSHING AND CHURCHILL COUNTIES, NEVADA. U.S.

  • Deposit

    GEOL. SURV. QUAD. MAP GQ-821, 1969, SCALE 1:62,500.

  • Deposit

    810. WITTKOPP, R. W., R. L. PARRAT, AND W. R. BRUCE.

  • Deposit

    GEOLOGY AND MINERALIZATION AT THE RELIEF CANYON GOLD

  • Deposit

    DEPOSIT, PERSHING COUNTY, NEVADA. ABSTR. IN EXPLORATION

  • Deposit

    FOR ORE DEPOSITS OF THE NORTH AMERICAN CORDILLERA.

  • Deposit

    SYMP.OF ASSOC. EXPL. GEOCHEM., RENO, NV, MAR. 25-28, 1984,

  • Deposit

    PP. 46.

General comments

Subject category Comment text
Deposit GENERAL SIZE OF ORE BODY IS SMALL.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-SEP-1996 Spear, James M. U.S. Bureau of Mines

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.