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Ruth Mine

Past Producer in White Pine county in Nevada, United States with commodities Copper, Molybdenum, Rhenium, Gold, Silver
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Geologic information

Identification information

Deposit ID 10080427
MRDS ID W031574
Record type Site
Current site name Ruth Mine
Alternate or previous names Ruth Pit, Deep Ruth Shaft, New Ruth Copper Mine

Geographic coordinates

Geographic coordinates: -114.97198, 39.25772 (WGS84)
Elevation 2164
Relative position APPROXIMATELY FOUR MILES WEST OF ELY.
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Geographic areas

Country State County
United States Nevada White Pine

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 062E 10,;14 NE4 OF NE4 (10); NE4 (14) Nevada

Commodities

Commodity Importance
Copper Primary
Molybdenum Secondary
Rhenium Secondary
Gold Secondary
Silver Secondary

Comments on the commodity information

  • GOLD IS IN LODE, OTHER MINERALS ARE IN SULFIDES.

Materials information

Materials Type of material
Argentite Ore
Chalcopyrite Ore
Molybdenite Ore
Pyrite Ore
Limonite Gangue
Magnetite Gangue

Alteration

  • (Local) Hydrothermal Alteration From Monzonite Intrusion. Ore Bodies Oxidized To Depth Of 100 - 400 Feet

Analytical data

Result 0.7- 0.8% CU FROM OPEN PIT WORKINGS.

Mineral occurrence model information

Model code 58
USGS model code 18a
Deposit model name Porphyry Cu, skarn-related
Mark3 model number 9

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Weary Flat Quartz Monzonite;Chainman Shale;Ely Limestone
    Rock description Weary Flat Quartz Monzonite;Chainman Shale;Ely Limestone

Nearby scientific data

(1) -114.97198, 39.25772
ListMap

Geologic structures

Type Description Terms
Regional East-Trending Anticline With Moderate To Gentle Dipping Flanks, Faults, Igneous Intrusions.
Local Radar Ridge, Faults, Fractures. (Mineralization Follows Fractures)

Ore body information

  • General form IRREGULAR, MASSIVE
    Dip 60 N
    Thickness 460M
    Depth to top 64.01M
    Width 610M
    Length 1830M

Controls for ore emplacement

  • Halo Around Porphryry Intrusion, Fracturing

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1902
Discoverer Grey And Bartley
Year of first production 1925

Mining district

District name Robinson District (Ely, Ruth, Kimberly)

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Kennecott Copper Corp.
  • Type Owner
    Owner Kennecott Copper Corp.
    First year 1978

Production statistics

  • Year 1976
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^0.67 Wt-Pctcu.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 1wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1905
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 2.6 wt-pct Copper Major 1905

Comments on the reserve resource information

  • SPENCER, 1917, USGS PROF. PAPER 96, P. 157 (1,2).

Comments on the workings information

  • OPEN PIT MINING BEGAN IN 1968, AFTER UNDERGROUND OPERATIONS. APPROXIMATELY 11,000 FT OF INDERGROUND WORK WAS DONE PRIOR TO 1917.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W031574

Bibliographic references

  • Deposit

    WILSON, W. R., 1978, GEOLOGY OF THE ROBINSON MINING DISTRICT, NEVADA, NEVADA BUREAU OF MINES AND GEOLOGY REPORT 32, PP. 55 - 61.

  • Deposit

    SPENCER, A. C., 1917, THE GEOLOGY AND ORE DEPOSITS OF ELY, NEVADA, USGS PROFESSIONAL PAPER 96, 189 PP.

  • Deposit

    SPENCER, 1917

  • Production

    SPENCER 1917

General comments

Subject category Comment text
Deposit DEPOSIT EXTENDS OVER ABOUT 30 ACRES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1981 Zigler, Jan L. (Huber, Donald F.) U.S. Geological Survey
Updater 01-SEP-1994 Li, Zhiping (Moyer, Lorre A.) U.S. Geological Survey