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Two Widows Claim

Past Producer in Lander county in Nevada, United States with commodities Silver, Gold
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Geologic information

Identification information

Deposit ID 10044859
MRDS ID M232477
Record type Site
Current site name Two Widows Claim

Geographic coordinates

Geographic coordinates: -116.68315, 40.31352 (WGS84)
Relative position 1/2 MILE WEST OF TENABO
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Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028N 047E 09 Nevada

Commodities

Commodity Importance
Silver Primary
Gold Primary

Alteration

  • (Local) Sediments Have Been Pyrometasomitized To Horntels And Cak-Silicate Skarn Adjacent To The Intrusive.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert

Nearby scientific data

(1) -116.68315, 40.31352
ListMap

Geologic structures

Type of structure Regional
Structure description Deposit In Upper Plats Of Roberts Mtn Thrust

Ore body information

  • General form TABULAR

Comments on the geologic information

  • QUARTZITE COUNTRY ROCK IS CUT BY GRANODIORITE PORPHYRY. VEINLETS OF ACTINOLITE CUT CUT THE QUARTZITE AND JOINT PLANES ARE FILLED WITH COPPER CARBONATES AND IRON OXIDES WHICH CARRY 40 02/T AG AND SEVERAL $/T AU (EMMONS, 1910

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year <1990
Discovery method Ore-Mineral In Place
Year of first production <1910

Mining district

District name Bullion

Comments on the production information

  • 40 OZ/T AG, SEVERAL $/T AU

Workings at the site

  • Type of workings Underground
    Overall depth 33.53M

Comments on the workings information

  • INCLINE, SHORT CROSSCUT

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M232477

Bibliographic references

  • Deposit

    STAGER H.K. (1977) GEOLOGY & MINERAL DEPOSITS OF LANDER CO. NEV., N.B.M. BULL 88

  • Deposit

    USBM (WINNEMUCCA) MILS NO. 70 REFERENCE NO. 3201500164

  • Deposit

    EMMONS W.H. (1910) RECONNAISSANCE OF MINING DISTRICTS IN ELKS, LANDER & EUREKA CO. NEV., USGS BULL 408

  • Deposit

    WRUCKE C.T. (1974) GEOLOGIC MAP OF THE TENABO AREA, LANDER CO NEV, USGS MAP MF-647

  • Production

    EMMONS, WH. (1910)

General comments

Subject category Comment text
Deposit VEINLETS, JOINT PLANES
Deposit DEVELOPEMENT CONSISTS OF AN INCLINE SUNK AT 70 FOR 110 FEET. SHORT CROSSCUTS RUN EAST AND WEST FROM THE BOTTOM OF THE INCLINE. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1980 Kirkham, Richard A. Nevada Bureau of Mines and Geology