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Stibnite Prospect

Occurrence in Eureka county in Nevada, United States with commodities Antimony, Silver, Copper
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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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10044754
MRDS ID M232337
Record type Site
Current site name Stibnite Prospect
Alternate or previous names Affranchine, Antimony Prospects

Geographic coordinates

Geographic coordinates: -116.01257, 39.4691 (WGS84)
Elevation 2377

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 Eureka

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N 053E 09 Nevada

Commodities

Commodity Importance
Antimony Critical Primary
Silver Tertiary
Copper Tertiary

Materials information

Materials Type of material
Stibnite Ore
Malachite Gangue
Pyrite Gangue
Tetrahedrite Gangue

Alteration

  • (Local) Silicitication, Minor Oxidation

Analytical data

Result DUMP SAMPLE ASSAYED 17.5% SB & .96 OZ/T AG

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Pogonip Formation
    Rock description Pogonip Formation
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician

Nearby scientific data

(1) -116.01257, 39.4691
ListMap

Economic information

Ore body information

  • General form PODS, TABULAR, IRREGULAR

Comments on the geologic information

  • A SILICIFIED ZONE IN THE CARBONATE INCLUDES MINOR CALCITE. STIBNITE IN SMALL PODS VEINLETS, AND SINGLE CRYSTALS IN THIS ZONE AND AS REPLACEMENTS IN ADJACENT CARBONATE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Eureka District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Ernest Affranchino
    First year 1955

Comments on the workings information

  • 5 OPEN CUTS, SHALLOW SHAFT

Reference information

Bibliographic references

  • Deposit

    ROBERTS, R.J., ET AL (1967) GEOLOGY & MINERAL RESOURCES OF EUREKA CO., NEV., NEV. BUREAU OF MINES BULL 64

  • Deposit

    LAWRENCE E.F. (1963) ANTIMONY DEPOSITS OF NEVADA, NEV. BUREAU OF MINES BULL 61.

  • Deposit

    USBM (MILLETT) MILS NO. 81, REF NO. 3201100042, MINERAL PROPERTY FILE 03.024

General comments

Subject category Comment text
Deposit SILICIFIED ZONE CONTAINS PODS, VEINLETS, CRYSTALS OF STIBNITE.
Deposit PROSPECT IS DEVELOPED BY FIVE OPEN CUTS AND A SHALLOW SHAFT. OWNED BY ERNEST ARRRANCHINO IN 1955 ; 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.

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.