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Riley Fraction Mine

Past Producer in Nye county in Nevada, United States with commodity Gold
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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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10103956
MRDS ID M231694
Record type Site
Current site name Riley Fraction Mine
Alternate or previous names Reilley, Reilly Fraction.

Geographic coordinates

Geographic coordinates: -117.07675, 38.53354 (WGS84)
Elevation 2179
Relative position 0.4 MILE S. OF MANHATTAN.

Site location context

Political divisions (FIPS codes)

Nye(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Manhattan(quadrangle 1:24,000 scale)

Ione Valley(quadrangle 1:100,000 scale)

Tonopah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Big Smoky Valley(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Nye

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 008N 044E 19 Nevada

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Calcite Gangue
Iron Gangue

Analytical data

Result THE ORE HAD A TENOR OF $3-4 PER TON.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Gold Hill Formation
    Rock description Gold Hill Formation
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Economic information

Ore body information

  • General form STRINGERS, NARROW VEINLETS
    Strike N 20-30 E
    Dip NE

Controls for ore emplacement

  • Veinlets Commonly Follow Bedding Or Joints

Comments on the geologic information

  • THE SCHIST AND SANDSTONE BEDS STRIKE N70W, DIP 45 SW.

Economic information about the deposit and operations

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

Mining district

District name Manhattan District

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Burdick-Wittenberg Estate

Comments on the production information

  • PRODUCTION BETWEEN 1913-1914 WAS ABOUT $100,000

Comments on the workings information

  • WORKINGS CONSIST OF AN OPEN CUT 200 FT LONG BY 60 FT WIDE BY 30 FT DEEP.

Reference information

Bibliographic references

  • Deposit

    KRAL, V.E., 1951, MINERAL RESOURCES OF NYE CO.: NEV. BUR. OF MINES AND GEOL., BULL. 50, P. 123-124.

  • Deposit

    FERGUSON, H.G., 1924, GEOL. AND ORE DEPOSITS OF THE MANHATTAN DISTRICT: USGS BULL. 723, P. 142.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1980 Wong, George (Roberts, Ralph) U.S. Geological Survey
Updater 01-MAY-1982 La Pointe, D.D. (Tingley, J.V.) 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.