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Demijohn Mine

Past Producer in Lincoln county in Nevada, United States with commodities Lead, Silver, Manganese, Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10046404
MRDS ID M241558
Record type Site
Current site name Demijohn Mine
Alternate or previous names Pioche Demijohn
Related records 10149464

Geographic coordinates

Geographic coordinates: -114.49528, 37.93079 (WGS84)
Elevation 1951
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Lincoln(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pioche(quadrangle 1:24,000 scale)

Caliente(quadrangle 1:100,000 scale)

Caliente(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Meadow Valley Wash(hydrologic unit)

Lower Colorado-Lake Mead(hydrologic accounting unit)

Lower Colorado-Lake Mead(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Nevada Lincoln

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 067E 20 Nevada

Comments on the location information

  • INFO FROM LAND.ST :1972

Commodities

Commodity Importance
Lead Primary
Silver Primary
Manganese Critical Secondary
Gold Secondary

Analytical data

Result 22% PB AND 60 OZ. AG/TON. A SELECTED SAMPLE ASSAYED 52% PB, 80 OZ/T AG, 0.12 OZ/T AU (1918)

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Lyndon Limestone
    Rock description Lyndon Limestone
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -114.49528, 37.93079
ListMap

Economic information

Ore body information

  • Strike N 80 W
    Dip 70 DEGREES S
    Thickness 1.22M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Pioche District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Overall depth 152.4M

Comments on the workings information

  • 300 FT SHAFT, DRIFTS, CROSSCUTS AND WINZES TO THE 500 FT LEVEL (1918)

Comments on development

  • LARGEST PRODUCTION PRIOR TO 1907. 9 CLAIMS, 7 PATENTED. IN 1918, COMPANY PLANNED DIAMOND DRILLING FROM THE 500 FT LEVEL TO TEST THE ORE ZONE ALONG YUBA DIKE, AT GREATER DEPTH. PROPERTY CLOSED DOWN IN 1922 HIGH-GRADE URF FOUND ON 125-FT LEVEL IN 1909, BUT ONLY IN SMALL QUANTITY. HAD 10 MEN WORKING ON DEVELOPMENT IN 1915, DURING WHICH TIME SOME ORE WAS EXTRACTED.

Reference information

Bibliographic references

  • Deposit

    TSCHANTZ, C.M. & PAMDEYAN, E.H., 1970, GEOLOGY AND MINERAL DEPOSITS OF LINCOLN CO., NEV., NEV. BUREAU OF MINES BULL 73, P. 132.

  • Deposit

    SHAW, S.F., 1909, ENG. AND MINING JOUR., P. 545-548.

  • Deposit

    WEED, W.H., 1918, THE MINES HANDBOOK, VOL. XIII, P. 1124; VOL. XV, 1922, P. 1183.

  • Deposit

    USBM, 1983, MILS DATA S L ENG. & MIN. JOUR., CLIPPING, OCT, 1909, 1915

  • Production

    TSCHANZ AND PAMPEYAN, 1920, P. 132; WEED, W.H., 1922, P. 1183.

General comments

Subject category Comment text
Deposit ORE "IS MAKING INTO" LIMESTONE FROM THE HANGING WALL OF A FISSURE 40 FT WIDE, AND VARIES FROM 1-2 FT THICK. WEED STATES THAT MAIN VEIN TRAVERSING PROPERTY HAS A N-5 STRIKE, DIPS E. MINERALIZATION IS NOT PERSISTENT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1982 Lyles, B.F. (Tingley, J.V.) Nevada Bureau of Mines and Geology

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.