Color Back

Past Producer in Lander county in Nevada, United States with commodity Gemstone
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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10044865
MRDS ID M232484
Record type Site
Current site name Color Back
Alternate or previous names Turquoise Boy

Geographic coordinates

Geographic coordinates: -116.68899, 40.36408 (WGS84)

Site location context

Political divisions (FIPS codes)

Lander(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tenabo(quadrangle 1:24,000 scale)

Crescent Valley(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(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

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 02 Nevada

Commodities

Commodity Importance
Gemstone Primary

Materials information

Materials Type of material
Turquoise Ore

Alteration

  • (Local) Intrusive Sill Is Argillized And Opalized

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Slaven Chert
    Rock description Slaven Chert

Nearby scientific data

(1) -116.68899, 40.36408

Economic information

Geologic structures

Type of structure Regional
Structure description Deposit In Upper Plate Of Roberts Mtn Thrust
Type of structure Local
Structure description Imbricate Thrusts And High Angle Faults

Ore body information

  • General form TABULAR TO IRREGULAR

Controls for ore emplacement

  • Brecciated Zone Adjacent To Intrusive Contact

Comments on the geologic information

  • TURQUOISE IS ASSOCIATED WITH A HIGHLY ALTERED SILL, 4 FT THICK THAT STRIKES N 15 E AND DIPS 40 W INTRUDING BLACK CHERT. CHERT ADJACENT TO THE SILL IS BRECCIATED AND CONTAINS MOST OF THE TURQUOISE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Medium
Significant No
Discovery year 1939

Mining district

District name Bullion

Ownership information

  • Type Operator
    Owner Edgar, J. W.
  • Type Owner
    Owner Edgar, J. W.

Comments on the production information

  • AT LEAST 1,500 POUNDS GOOD-QUALITY TURQUOISE HAS BEEN REMOVED

Comments on the workings information

  • SHORT INCLINED SHAFT; ELONGATE, PARTIALLY CAVED STOPE

Reference information

Bibliographic references

  • Deposit

    STAGER, H.K. (1977) GEOLOGY & MINERAL RESOURCES OF LANDER CO. NEV., N.B.M. BULL 88

  • Deposit

    USBM (WINNEMUCCA) MILS NO. 87, REFERENCE NO. 3201500377

  • Deposit

    MORRISSEY F.R. (1968) TURQUOISE DEPOSITS OF NEVADA, N. B. M. REPT 17

  • Deposit

    WRUCKE C.T. (1974) GEOLOGIC MAP OF THE TENABO AREA, LANDER CO., NEV., USGS MAP MF-647

  • Production

    MORRISSEY, F.R., 1968

General comments

Subject category Comment text
Deposit TURQUOISE ASSOCIATED WITH AN ALTERED SILL INTRUDING BLACK CHERT. BRECCIATED BLACK CHERT CONTAINS MOST OF THE TURQUOISE.
Deposit THE DEPOSIT WAS DISCOVERED IN 1939. AT LEAST 1,500 LBS OF GOOD QUALITY TURQUOISE HAS BEEN REMOVED. THE LAST RECORDED OWNER WAS T.W. EDGAR (MORRISSEY) DEVELOPEMENT CONSISTS OF A SHORT INCLINED SHAFT AND AND CLONGATE PARTLY CAVED STOPE. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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.