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Aurora Mine

Plant in Mineral county in Nevada, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mining district
  9. Mineral rights holdings
  10. Ownership information
  11. Production statistics
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10173963
MRDS ID M242411
MAS/MILS ID 0320210310
Record type Site
Current site name Aurora Mine
Alternate or previous names Martinez Deposit, Silver Hill, West Humboldt Deposit, Aruora Partnership Mine, Humboldt Shaft, Juniata Mine, Middle/Summit Hill, Last Chance Hill, Humboldt Hill
Related records 10047159

Comments on the site names

  • THE WEST HUMBOLDT OREBODY (DEPOSIT) WAS THE ARUORA PARTNERSHIP MINE.

Geographic coordinates

Point of reference Town
Geographic coordinates: -118.61766, 38.51662 (WGS84)
Elevation 2000
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Mineral(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hawthorne East(quadrangle 1:24,000 scale)

Walker Lake(quadrangle 1:100,000 scale)

Walker Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Walker Lake(hydrologic unit)

Walker(hydrologic accounting unit)

Central Lahontan(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

DOD(Federal land areas administered by DOD)

Geographic areas

Country State County
United States Nevada Mineral

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Nearby scientific data

Town (1) -118.61766, 38.51662
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Plant
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1860
Mining method Combined Methods - Other Combined Methods
Year of first production 1986
Plant type Leach
Milling method Carbon-In-Leach-Electrowin

Mining district

District name Aurora Division, Aranka Goldfields

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim
Type of mineral rights Other

Ownership information

  • Type Owner-Operator
    Owner Consolidated Nevada Golfields Crop. (Cngc)
    Interest 100
    Home office Nevada
    Year 1996
    First year 1995
  • Type Owner
    Owner Gwalia Consolidated Ltd. (Ownes Cngc)
    Interest 100
    Home office Australia
    Year 1996
    First year 1995

Comments on the ownership information

  • CONSOLIDATED NEVADA GOLDFIELDS CORPORATION, SOME TIME IN 1996 PURCHASED THE NEAR-BY AURORA PARTNERSHIP MINE FROM ELECTRA GOLD LTD.

Production statistics

  • Year 1992
    Description Ore Milled @ 5.14 G/Mt 79560 Mt Ore
  • Year 1992
    Description Gold Production 12284 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 382075.16g
  • Year 1993
    Description Ore Milled @ 3.43 G/Mt 85094 Mt Ore
  • Year 1993
    Description Gold Production 8536 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 265499.31g
  • Year 1994
    Description Ore Milled @ 3.43 G/Mt 112037 Mt Ore
  • Year 1994
    Description Gold Production 11030 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 343071.39g
  • Year 1995
    Description Ore Milled @ 4.11 G/Mt 119573 Mt Ore
  • Year 1995
    Description Gold Production 14949 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 464965.93g
  • Year 1996
    Description Ore Milled @ 3.43 G/Mt (Fy 0695-06/96) 125447 Mt Ore
  • Year 1996
    Description Silver Production (Fy 06/95-06/96) 30352 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 944052.85g
  • Year 1996
    Description Gold Production (Fy 06/95-06/96) 13359 Tr Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 415511.4g

Comments on the production information

  • ALL PRODUCTION IS BASED ON FISCAL YEAR DATA JUNE TO JUNE:

Reserves and resources

  • Type In-situ
    Estimate year 1995
    Demonstrated 2497000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 8.6 g/mt Silver Minor 1995
    Gold Au 2.1 g/mt Gold Major 1995
  • Type In-situ
    Estimate year 1996
    Demonstrated 318104mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.1 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1996
    Demonstrated 1052000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 3.154 g/mt Gold Major 1996
  • Type In-situ
    Estimate year 1997
    Demonstrated 191228mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.24 g/mt Gold Major 1997

Comments on the reserve resource information

  • RESOURCES RECORD 4 THE SILVER GRADE RAITO RANGES FOR 3 TO 1 TO 6 TO 1: SILVER TO GOLD:
  • AS OF 12/31/96 THIS PROPERTY FILE WILL CONTAIN DATA ON THE AURORA MINE AND AURORA PARTNERSHIP MINE. ALL RESERVE AND RESOURCES DATA WAS COMBINED BY CONSOLIDATED NEVADA GOLDFIELDS CORP. UNDER THE "AURORA" NAME: (THE AURORA PARTNERSHIP MINE MAS SEQ# IS 0320210544): RESERVES PROVEN + PROBABLE ORE 12/31/96: ADIT PRODUCTION BASED ON LAST FIVE FISCAL YEARS 1992-1996:

Reference information

Bibliographic references

  • Reserve-Resource

    CONSOLIDATED NEVADA GOLDFIELDS CORP., 1995 ANNUAL REPORT.

  • Reserve-Resource

    CONSOLIDATED NEVADA GOLDFIELDS CORP., 06/95 FORM 20-F, P11.

  • Reserve-Resource

    THE MINING RECORD, VOL., 107, #37, SEPT. 11, 1996, P1.

  • Reserve-Resource

    CONSOLIDATED NEVADA GOLDFIELDS CORP., FORM 20-F/A, P12.

  • Deposit

    THE MINING RECORD, 03/24/93, P4.

  • Deposit

    THE MINING RECORD, 09/29/93, P1.

  • Deposit

    MINING JOURNAL, VOL 321, #8253, 12/3/93, P 393.

  • Deposit

    GWALIA CONSOLIDATED LTD, ANNRPT, 1994, REVIEW OF OPERATIONS

  • Deposit

    P20.

  • Deposit

    THE MINING RECORD, VOL 106, #9, 03/01/95, P15.

  • Deposit

    THE MINING RECORD, VOL 106, #23, 06/07/95, P15.

  • Deposit

    NOTICE & MANAGEMENT IC AND PROXY STATEMENT, 08/02/96, PP33.

  • Deposit

    THE MINING RECORD, VOL. 107, #37, SEPT. 11, 1996, P1.

  • Deposit

    ELECTRA GOLD LTD., 1996 ANNUAL REPORT, P1.

  • Deposit

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

  • Deposit

    COMPANIES, PP. 228, 229.

  • Deposit

    NEVADA MINES DIRECTORY, 1995/96, PP. 26, 27.

  • Deposit

    CONSOLIDATED NEVADA GOLDFIELDS CORP., 1996 ANNUAL REPORT,

  • Deposit

    P11.

General comments

Subject category Comment text
Deposit THE ORE BODIES OF INTEREST AT AURORA ARE THE MARTINEZ (DISCOVERED IN 1995) AND THE WEST HUMBOLDT (THIS WAS THE AURORA PARTNERSHIP MINE ORE BODY- OWNED/OP BY ELECTRO GOLD, LTD TIL 1997.) PROPERTY IS 21 MILES SW OF HAWTHORNE, NV. COMPANY CONTROLS: LAST CHANGE HILL, MIDDLE HILL, JUNIATA MINE, PRSOPECTUS VEIN AREA, AS WELL AS THE SMALLER, NEW ESMERALDA, ANN & OTHER VEINS 2.5 MILES NE OF THE JUNIATA MINE. OTHER AREA NOT UNDER COMPANY CONTROL ARE: SILVER HILL, SUMMIT HILL, & HUMBOLDT HILL.

Reporter information

Type Date Name Affiliation Comment
Reporter 06-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.

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.