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Marcus Mine

Past Producer in Humboldt county in Nevada, United States with commodity Tungsten
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Geologic information

Identification information

Deposit ID 10045083
MRDS ID M232742
Record type Site
Current site name Marcus Mine
Alternate or previous names Markus Mine, Harden's Lease

Geographic coordinates

Geographic coordinates: -117.29957, 41.15572 (WGS84)
Elevation 2210
Relative position 38 MILES NE OF WINNEMUCCA
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Geographic areas

Country State County
United States Nevada Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 038N 041E 24 Nevada

Comments on the location information

  • IN NE 1/4 OF SE 1/4 SEC 24

Commodities

Commodity Importance
Tungsten Primary

Materials information

Materials Type of material
Scheelite Ore
Calcite Gangue
Epidote Gangue
Garnet Gangue
Idocrase Gangue
Quartz Gangue

Analytical data

Result ESTIMATED 1.7% WO3 IN ORE, UP TO 3.34% WO3

Mineral occurrence model information

Model code 42
USGS model code 14a
Deposit model name W skarn

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Osgood Mtns. Stock
    Rock description Osgood Mtns. Stock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Meta-Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Preble Formation
    Rock description Preble Formation

Nearby scientific data

(1) -117.29957, 41.15572
ListMap

Ore body information

  • General form IRREGULAR, ALONG IGNEOUS CONTACT
    Thickness 3.05M
    Width 7.62M
    Length 22.86M

Controls for ore emplacement

  • Tactite At Granodiorite/Limestone Contact

Comments on the geologic information

  • MAIN TACTITE BODY 2 TO 10 FT. WIDE AND OVER 75 FT. LONG ALONG A VERY IRREGULAR CONTACT. THERE ARE 4 TACTITE BODIES

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year <1955
Year of first production 1955

Mining district

District name Potosi District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Getchell Mine, Inc.
    First year 1963
  • Type Owner
    Owner Getchell Mine, Inc.

Production statistics

  • Year 1956
    Period 1955-1956
    Material ORE W
    Accuracy Estimate
    Description Cp_Grade: ^About 0.5 % Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Wo3 Ore Tungsten Tungsten 1wt-pct

Comments on the workings information

  • 2 SHORT ADITS, TRENCHES/OPENCUTS

Comments on development

  • 300-350 TONS OF 1.7% WO3 ORE AND 1000-1300 TONS OF 0.5% WO3 ORE ESTIMATED PRESENT IN 1946, AS WELL AS 6000 TO 12,000 TONS OF 0.3% WO3 ORE POSSIBLE. IN 1943, THE PROPERTY WAS OWNED BY JOHN ETCHERT, JR., AND W. M. PETTIT, AND LEASED TO JOHN H. HARDEN OF WINNEMUC-CA. WORKINGS CONSISTED OF NUMEROUS TRENCHES, OPEN CUTS AND 2 S-HORT ADITS, BUT ACCESS TO THE PROPERTY WAS DIFFICULT. IN 1955,- THE PROPERTY WAS ACQUIRED BY GETCHELL MINES AND A ROAD WAS CO-NSTRUCTED UP GRANITE CREEK FROM THE GRANITE CREEK MINE, REPLAC-ING THE 2.5 TO 3 MILES OF ROUGH TRAIL. OPEN-PIT MINING IN 1955- AND 1956 YIELDED 21300 TONS OF ORE THAT WERE TRUCKED TO THE G-ETCHELL MILL. 5 UNPATENTED CLAIMS.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M232742

Bibliographic references

  • Deposit

    WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT COUNTY, NEVADA; NEV. BUREAU OF MINES BULL 59.

  • Deposit

    HOTZ, P.E. AND WILLDEN, 1964, GEOLOGY AND MINERAL DEPOSITS OF THE OSGOOD/MOUNTAINS QUADRNAGLE HUMBOLDT CO., NEV; U.S.G.S. PROF. PAPER 431.

  • Deposit

    HOBBS, S.W. AND CLABAUGH, S.E., 1946, TUNGSTEN DEPOSITS OF THE OSGOOD RANGE, HUMBOLDT CO., NEV. UNIV. NEV. BULL. 40, NO. 5; GEOL. & MIN. SER. NO. 44.

  • Deposit

    STAGER, H. K., IN PREPARATION, NBMG BULLETIN ON TUNGSTEN DEPOSITS OF NEVADA.

  • Deposit

    NBMG MINING DISTRICT FILE 136, ITEM 20, 1963, USBM UNPUBLISHED DATA

  • Production

    STAGER, H. K., IN PREPARATION

General comments

Subject category Comment text
Deposit THE PROPERTY WAS EXPLORED PRIOR TO 1955, BUT NO MINING WAS DONE UNTIL ROAD HAD BEEN BUILT TO IT FROM THE GRANITE CREEK MINE IN 1955, WHEN OPEN-PIT MINING BEGAN. IT CONSISTS OF FIVE UNPATENTED CLAIMS. WORKINGS INCLUDE 2 SHORT ADITS, TRENCHES, AND OPEN CUTS. 300-350 TONS OF 1.7% WO3 ORE AND 1000 TO 1300 TON S OF 0.5% WO3 ORE WERE ESTIMATED TO BE PRESENT IN 1946, AS WELL AS 6000 TO 12,000 TONS OF 0.3% WO3 OR LESS ORE POSSIBLE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THE DEPOSIT IS ON THE WEST SIDE OF THE SOUTH PART OF THE GRANODIORITE STOCK NEAR THE CREST OF THE RANGE. THE CONTA-CT ZONE BETWEEN THE STOCK AND THE SEDIMENTARY ROCKS IS HIGHLY -IRREGULAR. SLIDE ROCK COVERS MUCH OF THE SURFACE IN THE VICINI-TY OF THE MINE AND EXPOSURES ARE POOR. SMALL AND DISCONTINUOUS- TACTITE BODIES OCCUR WHERE THE THIN LIMESTONE BEDS, IN ARGILL-ITE AND HORNFELS, ARE TRUNCATED BY THE GRANODIORITE STOCK OR B-Y IRREGULAR APOPHYSES. THE TACTITE BODIES MINED WERE FROM A FE-W FEET TO 25 FEET WIDE AND PROBABLY AVERAGED ABOUT 20 FT. THE -TUNGSTEN CONTENT RANGED FROM 0.1 % WO3 TO 3.34 % BUT PROBABLY -AVERAGED ABOUT 0.5 % WO3. WORKINGS EXTEND ALONG 1200 FT STRIKE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1981 La Pointe, D.D. Nevada Bureau of Mines and Geology
Updater 01-MAR-1986 La Pointe, D.D. (Tingley, J.V.) U.S. Geological Survey