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Marigold 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10125353
MRDS ID RE00041
MAS/MILS ID 0320130165
Record type Site
Current site name Marigold Mine
Alternate or previous names Marigold Mill 0320139074, Horton Mine, East Hill Top Usgs# M231264, See These Files For Other, Marigold Mines, Red Rock Group
Related records 10055099, 10310324

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -117.17765, 40.7346 (WGS84)
Elevation 1722
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Humboldt(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

North Peak(quadrangle 1:24,000 scale)

Winnemucca(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle 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 033 N 043 E 18 SESENE Nevada

Commodities

Commodity Importance
Gold Primary
Mercury Tertiary
Silver Secondary

Nearby scientific data

Ore Body (1) -117.17765, 40.7346
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1930
Mining method Open Pit
Year of first production 1989
Plant type Leach
Milling method Heap Leach-Agglomerate-Carbon Column-Electrowin

Mining district

District name Battle Mountain District

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented
Type of mineral rights Minerals Only

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner Rayrock Yellowknife Resources Inc.
    Interest 66.7
    Home office Canada
    Year 1996
  • Type Owner
    Owner Homestake Mining Co.
    Interest 33.3
    Home office California
    Year 1996
  • Type Operator
    Owner Marigold Mining Co.
    Home office Nevada
    Year 1996
  • Type Unknown
    Owner Euro-Nevada 1.75% Nsr
    Year 1995

Production statistics

  • Year 1989
    Description Mill 582,935 158000 Metric Ton Ore/Yr
  • Year 1990
    Description Mill 1,772,478 514000 Metric Ton Ore/Yr
  • Year 1990
    Description Heap Leach 333,475 683000 Metric Ton Ore/Yr
  • Year 1991
    Description Gold 65469 Oz
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2036313.79g
  • Year 1991
    Description Silver 2000 Oz
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 62206.96g
  • Year 1995
    Description Ore Processed @ 0.028 Oz/St 3409000 St Ore
  • Year 1995
    Description Gold Production 70000 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 217724.36g
  • Year 1996
    Description Ore Processed @ 0.029 Oz/St 2919000 St Ore
  • Year 1996
    Description Gold Production 73460 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2284861.71g

Comments on the production information

  • ANNUAL PRODUCTION 1995-1996: SEE "A" RAYROCK BIBLIOGRAPHY.

Reserves and resources

  • Type In-situ
    Estimate year 1991
    Measured 7986000mt ore
    Demonstrated 7986000mt ore
    Total resources 7986000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.86 g/mt Gold Major 1991
  • Type In-situ
    Estimate year 1992
    Demonstrated 18500000mt ore
    Total resources 18500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.36 g/mt Gold Major 1992
  • Type In-situ
    Estimate year 1994
    Measured 14287000mt ore
    Demonstrated 14287000mt ore
    Total resources 14287000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.17 g/mt Gold Major 1994
  • Type In-situ
    Estimate year 1996
    Measured 12764000mt ore
    Demonstrated 12764000mt ore
    Total resources 12764000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.13 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1996
    Demonstrated 13232000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.25 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1997
    Demonstrated 16391000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.17 g/mt Gold Major 1997

Comments on the reserve resource information

  • PROVEN + PROBABLE ORE RESERVES, 12/31/96:

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Capacity 3568
    Capacity Units MT ORE/DAY
    Unit Production Cost 8.92
    Units of Production $/MT ORE
    Operating Days per Year 360
    Operating Shifts per Day 2
    Year of Information 1991

Comments on the workings information

  • ADDITIONAL ANIMAL CONTROLS INCLUDE WILDLIFE NETTING OVER HEAP LEACH PONDS. PROPERTIES HAVE VERY LITTLE SILVER; THEREFORE CN CONSUMPTION IS LOW. CURRENT PLAN IS TO MINE, MILL, AND LEACH FROM 3 SEPARATE PITS. MATERIAL TYPES ARE QUITE DIFFERENT.

Reference information

Bibliographic references

  • Reserve-Resource

    RAYROCK 1993 ANNUAL REPORT.

  • Reserve-Resource

    HOMESTAKE MINING COMPANY, 1996 ANNUAL REPORT, PP. 18-19, &

  • Reserve-Resource

    FORM 10-K REPORT, PP. 13-14.

  • Reserve-Resource

    RAYROCK YELLOWKNIFE RESOURCES INC. 1996 ANNUAL REPORT, PP.

  • Reserve-Resource

    6-8.

  • Deposit

    GRANEY, J. R., D. H. MCGIBBON. GEOLOGICAL SETTING AND

  • Deposit

    CONTROLS ON GOLD MINERALIZATION IN THE MARIGOLD MINE AREA,

  • Deposit

    NEVADA. GEOL. SOC. OF NEVADA SYMP., SPARKS, NV. APR. 1990,

  • Deposit

    V. 2, PP. 863-872.

  • Deposit

    MINERALS FOR INDUSTRY, SOUTHERN PACIFIC CO., 1964, P.88.

  • Deposit

    NEV BUR OF MINES BULL 59,1964,TB6.

  • Deposit

    RANEY, R., INTERVIEW WITH D. HEINEN, MINE SUPERINTENDENT

  • Deposit

    AT MARIGOLD MINE, OCTOBER, 1991.

  • Deposit

    RAYROCK YELLOWKNIFE RESOURCES INC. ANNUAL REPORT, 1990.

  • Deposit

    U.S.B.L.M. ENVIRONMENTAL ASSESSMENT REPORT, MARIGOLD

  • Deposit

    MINING PROJECT, HUMBOLDT COUNTY, NEVADA. APRIL 1988, 75 PP.

  • Deposit

    U.S.G.S. PROF PAPER 459B,1965,P-B80.

  • Deposit

    AMERICAN MINES HANDBOOK, 1996, P200.

  • Deposit

    1995/96 NEVADA MINES DIRECTORY, PP. 11, 16, 17, 22.

  • Deposit

    RANDOL 1996/97 MINING DIRECTORY, U.S. MINES & MINING

  • Deposit

    COMPANIES, P256.

  • Deposit

    MAJOR MINES OF NEVADA, 1995, PP.6, 7.

  • Deposit

    NAT. ASSESSMENT U.S. DEPOSIT DATA BASE, KEITH LONG, 1995,

  • Deposit

    #078 "EAST HILL - URN - TOP", PP. 70-72, AND #077,

  • Deposit

    "MARIGOLD", PP. 76-78.

  • Deposit

    THE MINING RECORD, V 107, #34, AUG., 31, 1996, P13. "RAYROCK

  • Deposit

    EXPANDED PIT HAS POTENTIAL FOR DEEPER DRILLING AT MARIGOLD."

  • Deposit

    THE MINING RECORD, V 107, #?, SEPT. 4, 1996, P27.

  • Deposit

    THE MINING RECORD, V. 107, #43, OCT., 23, 1996, P3.

  • Deposit

    HOMESTAKE 1995 FORM 10-K, PP11, 12.

General comments

Subject category Comment text
Deposit ALSO USGS ID# M231264 "EAST HILL TOP" & "EIGHT SOUTH"

Reporter information

Type Date Name Affiliation Comment
Reporter 14-OCT-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.