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Ruby Hill Mine Downfaulted Extension

Occurrence in Lander county in Nevada, United States with commodities Lead, Zinc, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10073173
MRDS ID W019032
Record type Site
Current site name Ruby Hill Mine Downfaulted Extension
Alternate or previous names Fad Shaft

Geographic coordinates

Geographic coordinates: -116.00089, 39.49992 (WGS84)
Relative position 2 KM WEST OF EUREKA, NEV.

Site location context

Political divisions (FIPS codes)

Eureka(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Spring Valley Summit(quadrangle 1:24,000 scale)

Summit Mountain(quadrangle 1:100,000 scale)

Millett(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Diamond-Monitor Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Lander

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
    Rock unit name Intrusive Quartz Diorite
    Rock description Intrusive Quartz Diorite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Middle Cambrian
    Stratigraphic age (youngest) Middle Cambrian
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Eldorado Dolomite
    Rock description Eldorado Dolomite

Nearby scientific data

(1) -116.00089, 39.49992
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Ruby Hill Thrust Zone
Type of structure Local
Structure description Ruby Hill Normal Fault, Martin - Adams Hill Fault

Ore body information

  • General form IRREGULAR, LINEAR
    Depth to top 600M
    Depth to bottom 900M

Controls for ore emplacement

  • Fault Control, Stratigraphic Control.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1864
Discoverer Eureka Corp. (1937)

Mining district

District name Eureka Dist.

Ownership information

  • Type Operator
    Owner Ruby Hill Mining Co. (Drifting Only)
  • Type Owner
    Owner Richmond - Eureka Mining Co. (Uv Industries)

Comments on the production information

  • MINE ON STAND BY BASIS

Workings at the site

  • Type of workings Underground
    Overall depth 750M

Comments on the workings information

  • SEVERE WATER INFLOW CLOSED EXPLORATION SHAFT AND DRIFT IN 1948. 25,000 BAGS OF CEMENT WERE USED TO PLUG WATER FISSURE IN 1962. MINE HAS BEEN ON A STANDBY BASIS UNTIL PRESENT

Comments on development

  • ECON.COM: WATER INFLOW IS A MAJOR PROBLEM

Reference information

Bibliographic references

  • Deposit

    NOLAN, T. B., HUNT, R. N., 1968, THE EUREKA MINING DIST., NEV.; IN RIDGE, J. D. ED., ORE DEPOSITS OF U. S. 1933 - 1967 V. 1 P. 966 - 991

  • Deposit

    1937 DIREXPL EUREKA CORP. - DOWNFAULTED EXTENSION FOUND

  • Deposit

    1948 DIREXPL EUREKA CORP. - WATER INFLOW CLOSED SHAFT

  • Deposit

    1962 DIREXPL RUBY HILL M. C. - WATER INFLOW PLUGGED

General comments

Subject category Comment text
Deposit Discovery Year: 1864 (EUREKA DIST) 1937 (RUBY HILL EXTENSION)
Deposit First Production Year: STILL ON A STAND BY BASIS
Deposit OLDER WORKINGS WERE ALMOST ENTIRELY IN OXIDIZED ORE, LONG SINCE MINED OUT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1976 Schruben, Paul G. U.S. Geological Survey

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.