Douglas Hill Mine

Past Producer in Lyon county in Nevada, United States with commodities Copper, Silver, Gypsum-Anhydrite, Gold
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. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Production statistics
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10037697
MRDS ID M035873
Record type Site
Current site name Douglas Hill Mine
Alternate or previous names Nevada Douglas

Geographic coordinates

Geographic coordinates: -119.2707, 38.95102 (WGS84)
Elevation 1707
Relative position APPROX. 5 MI. W-SW OF YERINGTON, NEV., SINGATSE RANGE

Site location context

Political divisions (FIPS codes)

Lyon(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Artesia Lake(quadrangle 1:24,000 scale)

Smith Valley(quadrangle 1:100,000 scale)

Walker Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

West Walker(hydrologic unit)

Walker(hydrologic accounting unit)

Central Lahontan(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Lyon

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 013N 024E 35 Nevada

Comments on the location information

  • 1/2 MI. SOUTH OF LUDWIG MINE

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gypsum-Anhydrite Tertiary
Gold Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Pyrite Ore

Alteration

  • (Local) Shallow Oxidation, Albitic, Sericitic, Propylitic, Week Potassic

Analytical data

Result LESS THAN 5 VOLUME PERCENT TOTAL SULFIDES
Result CHALCOPYRITE/PYRITE RATIOS GENERALLY GREATER THAN 10

Mineral occurrence model information

Model code 59
USGS model code 18b
Deposit model name Skarn Cu
Mark3 model number 8

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Andesite To Dacite Tuff Breccia;Rhyolite, Tuff, Siltstone, Limestone
    Rock description Andesite To Dacite Tuff Breccia;Rhyolite, Tuff, Siltstone, Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Rhyolite To Dacite Volcanics;Qtz. Monzonite Porphyry
    Rock description Rhyolite To Dacite Volcanics;Qtz. Monzonite Porphyry

Nearby scientific data

(1) -119.2707, 38.95102

Economic information

Geologic structures

Type of structure Regional
Structure description Yerington Batholith

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Garnetized Shear Zone

Comments on the geologic information

  • STRONG BRECCIATION

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No

Mining district

District name Yerington

Land status

Ownership category Private

Production statistics

  • Year 1914
    Period 1911 - 1914
    Material CU
    Accuracy Estimate
    Description Cp_Grade: ^5 Percent Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 5wt-pct

Comments on the workings information

  • 13 LARGE PITS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SKARN DEPOSIT LOCATED IN THE TRIASSIC SEPTUM WEST OF THE MASON VALLEY MINE ( REFER TO RECORD NO. M035865 ) CONTACT METASOMATIC

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Fiebelkorn, J. B. (Stewart, J. H.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.