1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Modoc

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

Geologic information

Identification information

Deposit ID 10045528
MRDS ID M233295
Record type Site
Current site name Modoc

Geographic coordinates

Geographic coordinates: -116.25093, 41.30157 (WGS84)

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Blitzen(quadrangle 1:24,000 scale)

Tuscarora(quadrangle 1:100,000 scale)

McDermitt(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Owyhee(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 039N 051E 04 Nevada

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Alteration

  • (Local) Extensive Adularization Along Veins

Mineral occurrence model information

Model code 150
USGS model code 25c
Deposit model name Epithermal vein, Comstock
Mark3 model number 16

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -116.25093, 41.30157
ListMap

Economic information

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Shattered Zones Along Faults & Contact

Comments on the geologic information

  • ORE VEINS ARE ACTUALLY A ZONE OF STRINGERS WITHIN CRUSHED ZONES ALONG FAULTS AND ANDESITE-INTRUSIVE ANDESITE CONTACTS.

Economic information about the deposit and operations

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

Mining district

District name Tuscarora

Comments on the workings information

  • TUNNEL WORKINGS

Reference information

Bibliographic references

  • Deposit

    SMITH R. M. (1976-56) MINERAL RES. OF ELKO CO. NEV., USGS OPEN-FILE REPORT

  • Deposit

    NOLAN, T. R. (1936) TUSCARORA MINING DISTRICT, ELKO CO. NEV., NEV. BUR OF MINES BULL 25

General comments

Subject category Comment text
Deposit NOLAN (1936) HAS A GEOLOGIC MAP OF THE TUNNEL WORKINGS ; INFO.SRC : 1 PUB LIT
Deposit VEINS, WHICH ARE ACTUALLY STRINGERS WITHIN CRUSHED ZONES ALONG FAULTS AND ANDESITE-INTRUSIVE ANDESITE CONTACTS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 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

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.