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  3. Mineral Resource Data System (MRDS)

Erwin

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

Geologic information

Identification information

Deposit ID 10044688
MRDS ID M232251
Record type Site
Current site name Erwin
Alternate or previous names Roberts Mining Co., Mays

Geographic coordinates

Geographic coordinates: -116.55398, 40.1938 (WGS84)

Site location context

Political divisions (FIPS codes)

Eureka(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cortez(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 Eureka

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 027N 048E 22 Nevada

Commodities

Commodity Importance
Silver Primary
Lead Primary

Materials information

Materials Type of material
Argentite Ore
Galena Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Mill Canyon Stock
    Rock description Mill Canyon Stock
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Wenban Limestone
    Rock description Wenban Limestone

Nearby scientific data

(1) -116.55398, 40.1938
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Roberts Mtn. Thrust

Ore body information

  • General form STRATABOUND

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1938
Year of first production 1938

Mining district

District name Cortez District

Ownership information

  • Type Owner-Operator
    Owner Roberts Mining Co.

Reference information

Bibliographic references

  • Deposit

    ROBERTS R.J, ETAL (1967) GEOLOGY AND MINERAL RESOURCES OF EUREKA CO., NEV. BUR. OF MINES BULL 64

  • Deposit

    USBM (WINNEMUCCA) MILS NO. 41, RETERENCE NO. 3201100018

  • Deposit

    VANDER BURG W.O. (1938) RECONNAISSANCE OF MINING DISTRICTS IN EUREKA CO., NEV. USBM IC 7022

  • Deposit

    GILLULY J, & MASURSKY H. (1965) GEOLOGY OF THE CORTEZ QUADRANGLE, USGS BULL 1175

  • Production

    ROBERTS, R.J., ETAL. (1967)

General comments

Subject category Comment text
Deposit REPLACEMENT OF LIMESTONE BY SULFIDES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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.