American Shaft

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

Geologic information

Identification information

Deposit ID 10044785
MRDS ID M232374
Record type Site
Current site name American Shaft

Geographic coordinates

Geographic coordinates: -115.98673, 39.49243 (WGS84)
Elevation 2256

Site location context

Political divisions (FIPS codes)

Eureka(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pinto Summit(quadrangle 1:24,000 scale)

Mount Hamilton(quadrangle 1:100,000 scale)

Ely(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 Eureka

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019N 053E 27 Nevada

Comments on the location information

  • UTM PRECISION 500 M

Commodities

Commodity Importance
Silver Primary
Gold Primary
Lead Primary

Materials information

Materials Type of material
Anglesite Ore
Plumbojarosite Ore
Tetrahedrite Ore

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

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

Nearby scientific data

(1) -115.98673, 39.49243

Economic information

Geologic structures

Type of structure Local
Structure description Jackson Normal Fault Zone Influenced Mineralization

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Favorable Beds Or Zones In The Dolomite

Comments on the geologic information

  • ORE OCCURS AS IRREGULAR REPLACEMENT BODIES IN DOLOMITE.

Economic information about the deposit and operations

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

Mining district

District name Eureka District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • 5 UNDERGROUND LEVELS

Comments on development

  • ORE WAS MINED TO THE 5TH UNDERGROUND LEVEL

Reference information

Bibliographic references

  • Deposit

    ROBERTS, EL AL (1967) GEOLOGY & MINERAL RESOURCES OF EUREKA CO. NEV., N.B. OF M. BULL 64

  • Deposit

    U.S.B. OF M. (ELY) MILS NO 118, REFERENCE NO 3201100102

  • Deposit

    NOLAN T.B. (1962) THE EUREKA MINING DISTRICT, NEV., USGS PROF PAPER 406

  • Production

    NOLAN, T.B., 1962

General comments

Subject category Comment text
Deposit ORE OCCURS AS IRREGULAR REPLACEMENT BODIES IN DOLOMITE ALONG THE JACKSON BRANCH OF THE JACKSON-LAWTON FAULT ZONE
Deposit THE ORE WAS MINED TO THE 5TH UNDERGROUND LEVEL. LIES ALONG THE JACKSON BRANCH OF THE JACKSON-LAWTON FAULT ZONE. ; INFO.SRC : 1 PUB LIT

Reporter information

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

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.