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Top Row Mine

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

Identification information

Deposit ID 10045094
MRDS ID M232756
Record type Site
Current site name Top Row Mine

Geographic coordinates

Geographic coordinates: -117.25679, 41.18211 (WGS84)
Elevation 1753
Relative position 40 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 042E 09 Nevada

Comments on the location information

  • IN SW 1/4 SEC. 9, 1/4 MILE S. OF SUMMER CAMP CREEK

Commodities

Commodity Importance
Tungsten Primary

Materials information

Materials Type of material
Scheelite Ore
Garnet Gangue
Pyroxene Gangue

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 Sedimentary Rock > Carbonate > Limestone
    Rock unit name Preble Formation
    Rock description Preble Formation

Nearby scientific data

(1) -117.25679, 41.18211
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Ore body information

  • General form TABULAR, IRREGULAR & DISCONTINOUS

Controls for ore emplacement

  • Tactite Near Granodiorite-Sediment Contact

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1954

Mining district

District name Potosi District; Getchell District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Getchell Mines, Inc.
    First year 1964
  • Type Owner
    Owner Getchell Mines, Inc.

Production statistics

  • Year 1954
    Period 1954
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^Ave. 0.3% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Wo3 Ore Tungsten Tungsten 0wt-pct

Comments on the workings information

  • OPEN PIT

Comments on development

  • GETCHELL MINES INC. OPERATED A SMALL OPEN PIT IN 1953 AND PRODUCED 2800 TONS ORE.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M232756

Bibliographic references

  • Deposit

    WILLDEN, R., 1964, NBMG BULL 59.

  • Deposit

    HOTZ, P. E. AND WILLDEN, R., 1964, USGS PP 431.

  • Deposit

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

  • Production

    HOTZ, P.E. AND WILLDEN, R., 1964.

General comments

Subject category Comment text
Deposit SCHEELITE-BEARING TACTITE OCCURS IN LENTICULAR BODIES OF LIMESTONE INTERBEDDED WITH ARGILLACEOUS HORNFELS, ADJACEN-T TO THE GRANODIORITE STOCK IN A SMALL RE-ENTRANT IN THE CONTA-CT.
Deposit SMALL OPEN-PIT MINE OPERATED IN 1954 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

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