Dewitt

Occurrence in Lander county in Nevada, United States with commodities Gold, Silver, 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. 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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10044847
MRDS ID M232462
Record type Site
Current site name Dewitt

Geographic coordinates

Geographic coordinates: -117.22705, 40.3199 (WGS84)

Site location context

Political divisions (FIPS codes)

Lander(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McCoy(quadrangle 1:24,000 scale)

Fish Creek Mountains(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Reese(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 028N 042E 02 Nevada

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Calcite Gangue
Gypsum Gangue
Quartz Gangue

Alteration

  • (Local) Limestone Has Been Pyrometasomatized By Intrusive

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Cane Spring Formation
    Rock description Cane Spring Formation

Nearby scientific data

(1) -117.22705, 40.3199

Economic information

Geologic structures

Type of structure Local
Structure description Diorite Intrudes The T2 Cane Spring Form.

Ore body information

  • General form TABULR

Controls for ore emplacement

  • Ore Formed By Replacement Along Faults Fractures, Oreshears

Comments on the geologic information

  • THE LODE STRIKES NORTHEAST AND DIPS 60 NW

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1934

Mining district

District name Mccoy

Workings at the site

  • Type of workings Underground
    Overall depth 15.24M

Comments on the workings information

  • INCLINED SHAFT

Comments on development

  • OPENED BY A 50-FT. INCLINED SHAFT

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    SCHRADER F.C. (1934) THE MICOY MINING DISTRICT, LANDER CO. NEV. USGS. BIRC. 10

  • Deposit

    MCKEE E.H. & STEWART J.H. (1968) GEOLOGIC MAP OF THE MCCOY QUADRANGLE, USGS OPEN-FILE MAP

General comments

Subject category Comment text
Deposit LOCATED TO THE SOUTHWEST OF MCCCOY THE PROPERTY IS OPENED BY A 50 FOOT INCLINED SHAFT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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.

Authoritative Nevada resources

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