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Preble Mine

Plant in Humboldt county in Nevada, United States with commodities Gold, Mercury, 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. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10149235
MAS/MILS ID 0320130443
Record type Site
Current site name Preble Mine
Alternate or previous names Preble

Geographic coordinates

Point of reference Pit
Geographic coordinates: -117.39426, 40.99429 (WGS84)
Elevation 1430
Location accuracy 250(meters)

Site location context

Political divisions (FIPS codes)

Humboldt(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Golconda(quadrangle 1:24,000 scale)

Winnemucca(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(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 Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 036 N 041 E 18 C NESE Nevada

Comments on the location information

  • GENERAL LOCATION IS ABOUT 27 KM DUE EAST OF WINNEMUCCA. MIL. LOCATION IS AT PINSON MINE AND ON-SITE HEAP LEACH.

Commodities

Commodity Importance
Gold Primary
Mercury Tertiary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Unknown
Clay Unknown
Goethite Unknown
Gold Unknown
Lepidocrocite Unknown
Limonite Unknown
Pyrite Unknown
Quartz Unknown

Nearby scientific data

Pit (1) -117.39426, 40.99429
ListMap

Economic information

Ore body information

  • Thickness 96M
    Length 300M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OTHER
    Primary Ore Control FAULTING
    Secondary Ore Control LITHOLOGY
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 OTHER
    Date of Last Modification 850823

Comments on the geologic information

  • GENERAL SIZE OF ORE BODY IS SMALL. THE MINERALIZED ZONE CAN BE TRACED FOR AT LEAST 1,200 METERS ALONG STRIKE. ORIGIN OF ORE BODY ALSO SHEAR ZONE. EXCAVATION DEPTH- 360 (PLANNED) (MINERALIZED ZONE) OTHER TYPE OF WALL ROCK ALTERATION IS OXIDATION. STRIKE AND DIP- NE: 30S. SHALE IS CARBONACEOUS CALCAREOUS. CLAY IS DERIVED FROM ANDESITE SILL.

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant No
Discovery year 1972
Mining method Open Pit
Year of first production 1984
Plant type Leach
Milling method Heap Leach-Electrowin

Comments on exploration

  • DISCOVERED ALSO BY FLOAT AND OUTCROP CHIP SAMPLING.

Mining district

District name Potosi District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Rayrock Yellowknife Resources Inc.
    Interest 26.5
    Home office Canada
    Year 1995
  • Type Owner
    Owner Homestake Mining Co.
    Interest 26.3
    Home office California
    Year 1996
  • Type Owner
    Owner Barrick Gold Corp. (American Barrick Resources Corp.)
    Interest 26.3
    Home office Canada
    Year 1995
  • Type Operator
    Owner Pinson Mining Co.
    Home office Nevada
    Year 1995
  • Type Owner
    Owner Corona Corp.
    Interest 26.3
    Home office Canada
    Year 1990
  • Type Owner
    Owner Rayrock Mines, Inc. Toronto, On, Canada
    Interest 26
    Home office Canada
    Year 1985
  • Type Owner
    Owner United Siscoe Mines, Inc., Toronto, On, Canada
    Interest 26
    Home office Canada
    Year 1985
  • Type Owner
    Owner Lacana Mining, Inc., Toronto, On, Canada
    Interest 26
    Home office Canada
    Year 1985
  • Type Owner
    Owner D. M. Duncan, P. E. Galli, J. S. Livermore, Toronto.
    Interest 21
    Home office Canada
    Year 1985
  • Type Owner
    Owner J. S. Livermore
    Interest 12
    Year 1990
  • Type Owner
    Owner Various Owners
    Interest 9
    Year 1990

Comments on the production information

  • MORE DETAILED PRODUCTION AND RESERVE DATA IS INCLUDED IN THE PINSON MAS DEPOSIT FILE #0320130220.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Indicated 1220000mt ore
    Demonstrated 1220000mt ore
    Total resources 1220000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.74 g/mt Gold Major 1980
  • Type In-situ
    Estimate year 1983
    Total resources 1130000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.5 g/mt Gold Major 1983
  • Type In-situ
    Estimate year 1984
    Total resources 1640000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.13 g/mt Gold Major 1984

Comments on the reserve resource information

  • POST 1994 RESERVE DATA (UP-TO-DATE) INFORMATION, INCLUDED IN THE PINSON MINE PROPERTY FILE MAS SEQ #0320130220. ORE RESERVES ARE REPORTED AS COMBINED RESERVES WITH THE PINSON PROPERTY FILE SEQ#0320130220. THE COMBINED RESERVE IS 1.8M MT ORE @ 5.14G/MT, (PINSON PROPERTY). ORE RESERVES ARE REPORTED AS COMBINED RESERVES WITH THE PINSON DEPOSIT, MAS SEQ #0320130220. THE COMBINED PREBLE- PINSON RESERVE TONNAGE OF 1,800,000 TONNES OF GOLD ORE ASSAYING 5.14 GRAMS/TONNE IS REPORTED IN THE RESERVE TABLE OF THE PINSON PROPERTY.

Comments on other economic factors

  • ORE IS SHIPPED ABOUT 24 KM BY TRUCK TO PINSON MILL.
  • MILL STATUS IS ACTIVE. SHOULD BE SHUT DOWN BY 1997. MILLING METHOD- CARBON COLUMN, AGITATED LEACH, CIP.
  • PREBLE PIT IS CLOSED: MATERIAL IS BEING MINED AT KRAMER HILL (A SATELLITE PIT) AND TRUCKED TO PREBLE FOR PROCESSING. APPROXIMATELY 50 ACRES HAVE BEEN RECLAIMED AT THE PREBLE FACILITY.

Reference information

Bibliographic references

  • Reserve-Resource

    MACKAY SCHOOL OF MINES, RENO, NEVADA, MARCH 26, 1976.

  • Reserve-Resource

    PEARCE, R. C., RAYROCK, SISCOE, LACANA TEAM LAUNCH PINSON

  • Reserve-Resource

    PROJECT IN NEVADA, NORTHERN MINER, (TORONTO), V67, #11,

  • Reserve-Resource

    1981, PP. 1, A28-A29.

  • Reserve-Resource

    LACANA MINING CORP., ANNUAL REPORT, 1982, 1983, P3.

  • Reserve-Resource

    WALLACE (ID) MINER, PINSON PEGS FALL OPENING, AUG. 30,

  • Reserve-Resource

    1984, P1.

  • Deposit

    ERICKSON, R. L., AND S. P. MARSH. GEOCHEMICAL,

  • Deposit

    AEROMAGNETIC, AND GENERALIZED GEOLOGIC MAPS SHOWING

  • Deposit

    DISTRIBUTION AND ABUNDANCE OF MERCURY AND ARSENIC,

  • Deposit

    GOLCONDA AND IRON POINT QUADRANGLES, HUMBOLDT COUNTY,

  • Deposit

    NEVADA. U.S. GEOL. SURV. MISC. FIELD STUDIES MAP

  • Deposit

    MF-312, 1971, SCALE 1:24,000.

  • Deposit

    AEROMAGNETIC, AND GENERALIZED GEOLOGIC MAPS SHOWING

  • Deposit

    DISTRIBUTION AND ABUNDANCE OF ANTIMONY AND TUNGSTEN,

  • Deposit

    MF-313, 1971, SCALE 1:24,000.

  • Deposit

    DISTRIBUTION AND ABUNDANCE OF GOLD AND COPPER, GOLCONDA AND

  • Deposit

    IRON POINT QUADRANGLES, HUMBOLDT COUNTY, NEVADA. U.S.

  • Deposit

    GEOL. SURV. MISC. FIELD STUDIES MAP MF-314, 1971,

  • Deposit

    SCALE 1:24,000.

  • Deposit

    DISTRIBUTION AND ABUNDANCE OF LEAD AND SILVER, GOLCONDA

  • Deposit

    AND IRON POINT QUADRANGLES, HUMBOLDT COUNTY, NEVADA. U.S.

  • Deposit

    GEOL. SURV. MISC. FIELD STUDIES MAP MF-315, 1971,

  • Deposit

    DISTRIBUTION AND ABUNDANCE OF MOLYBDENUM AND ZINC, GOLCONDA

  • Deposit

    GEOL. SURV. MISC. FIELD STUDIES MAP MF-345, 1972,

  • Deposit

    ERICKSON, R. L., AND S. P. MARSH. GEOLOGIC MAP OF

  • Deposit

    THE GOLCONDA QUADRANGLE, HUMBOLDT COUNTY, NEVADA. U.S.

  • Deposit

    GEOL. SURV. GEOL. QUAD. MAP GQ 1174, 1974,

  • Deposit

    FERGUSON, H. G., R. J. ROBERTS, AND S. W. MULLER.

  • Deposit

    GEOLOGY OF THE GOLCONDA QUADRANGLE, NEVADA. U.S. GEOL.

  • Deposit

    SURV. GEOL. QUAD. MAP GQ-15, 1952, SCALE 1:125,000.

  • Deposit

    GALLI, P. E., J. S. LIVERMORE, AND L. G. REEVE.

  • Deposit

    PINSON AND PREBLE GOLD DEPOSITS NEAR GOLCONDA, HUMBOLDT

  • Deposit

    COUNTY, NEVADA. ABSTRACT IN GEOLOGY AND EXPLORATION

  • Deposit

    ASPECTS OF FINE-GRAINED, CARLIN-TYPE GOLD DEPOSITS. GEOL.

  • Deposit

    SOC. NV AND MACKAY SCHOOL OF MINES SYMP., RENO, NV, 1976,

  • Deposit

    P. 3; AVAILABLE AT MACKAY SCHOOL OF MINES, UNIV. NV, RENO,

  • Deposit

    NV.

  • Deposit

    MINING JOURNAL (LONDON). NEW GOLD HORIZONS.

  • Deposit

    V. 300, NO. 7702, 1983, PP. 201-202.

  • Deposit

    MINING MAGAZINE (LONDON). PINSON, NEVADA - A NEW

  • Deposit

    OPEN PIT GOLD MINE. V. 145, NO. 1, 1981, P. 5.

  • Deposit

    MINING RECORD (DENVER). PINSON GOLD MINE AND

  • Deposit

    INVISIBLE GOLD. V. 93, NO. 49, 1981, PP. 1, 3.

  • Deposit

    NEVADA MINING ASSOCIATION (RENO). PINSON GOLD MINE

  • Deposit

    IN PRODUCTION WITH EFFICIENT, AUTOMATED MILL. NV MIN.

  • Deposit

    ASSOC. BULL., V. 5, NO. 2, 1981, PP. 2-3.

  • Deposit

    PINSON MINING CO. PINSON MINING COMPANY, FIELD

  • Deposit

    TRIP 1, SEDIMENT-HOSTED GOLD DEPOSITS. PAPER IN

  • Deposit

    EXPLORATION FOR GOLD DEPOSITS OF THE NORTH AMERICAN

  • Deposit

    CORDILLERA, FIELD TRIP GUIDEBOOK, ED. BY J. L. JOHNSON.

  • Deposit

    SYMP. OF ASSOC. EXPL. GEOCHEM., RENO, NV,

  • Deposit

    MAR. 25-28, 1984, PP. FT1 11-15.

  • Deposit

    PINSON MINING CO. COMPANY BROCHURE ON PINSON MINE.

  • Deposit

    PRES. AT OPEN HOUSE, MAY 12, 1981, 7 PP.; AVAILABLE AT

  • Deposit

    PINSON MIN. CO., WINNEMUCCA, NV.

  • Deposit

    REEVES, L. PINSON/PREBLE. GEOLOGY AND EXPLORATION

  • Deposit

    ASPECTS OF FINE-GRAINED, CARLIN-TYPE GOLD DEPOSITS. A

  • Deposit

    SYMP. PRES. BY GEOL. SOC. NV AND MACKAY SCHOOL OF MINES,

  • Deposit

    RENO, NV, MAR. 26, 1976, 14 PP.; AVAILABLE UPON REQUEST

  • Deposit

    FROM MACKAY SCHOOL OF MINES LIBRARY, UNIV. NV, RENO, NV.

  • Deposit

    SCHILLING. J. H. THE NEVADA MINERAL INDUSTRY. NV

  • Deposit

    BUREAU OF MINES AND GEOL. SPEC. PUBL. MI-1983, 1984, 40 PP.

  • Deposit

    SKILLINGS, D. N., JR. PINSON MINING COMPANY MARKING

  • Deposit

    FIRST FULL YEAR OF GOLD PRODUCTION. SKILLINGS' MIN. REV.,

  • Deposit

    V. 71, NO. 28, 1982, PP. 8-12.

  • Deposit

    WILLDEN, R. GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT

  • Deposit

    COUNTY, NEVADA. NV BUREAU OF MINES AND GEOLOGY BULLETIN

  • Deposit

    59, 1964, 154 PP.

  • Deposit

    NEVADA BUREAU OF MINES AND GEOLOGY, SPEC PUB #11, 1991,

  • Deposit

    P 8.

  • Deposit

    THE NORTHERN MINER, JUNE 3, 1996, P B11.

Reporter information

Type Date Name Affiliation Comment
Reporter 26-JUN-97 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

  • Homestake Mining Co. — acquired by Subsidiary of Barrick Gold (2001)
    Operator of the historic Homestake Mine in South Dakota; acquired by Barrick Gold in 2001.

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

External references

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.