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Riddle Mine

Occurrence in Elko county in Nevada, United States with commodities Gold, Silver, Lead, 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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10045127
MRDS ID M232794
Record type Site
Current site name Riddle Mine

Geographic coordinates

Geographic coordinates: -116.1576, 41.67796 (WGS84)
Relative position SITUATED ON SOUTHEAST SLOPE OF PORTER PEAK

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bull Run Reservoir(quadrangle 1:24,000 scale)

Bull Run Mountains(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)

Federal lands

Humboldt-Toiyabe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 044N 052E 28 Nevada

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore

Alteration

  • (Local) Slight Sericitic

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Prospect Peak Formation
    Rock description Prospect Peak Formation

Nearby scientific data

(1) -116.1576, 41.67796
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Bull Run Fault

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Fissures, Shear Zones

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Aura

Comments on the workings information

  • ONE ADIT SHOWN ON TOPO SHEET

Comments on development

  • ONE ADIT SHOWN ON QUAD. SHEET

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    DECKER R. W., (1962) GEOLOGY OF THE BULL RUN QUAD. ELKO CO., NEV BUR OF MINES BULL. 60.

General comments

Subject category Comment text
Deposit FISSURE VEIN; SHEAR ZONES
Deposit ONE ADIT IS SHOWN ON THE BULL RUN 15' QUAD. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-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.

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.