Rocky Hill Mine

Past Producer in Washoe county in Nevada, United States with commodities Gold, Arsenic
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. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10043856
MRDS ID M231145
Record type Site
Current site name Rocky Hill Mine
Alternate or previous names NBMG # 4322 & #4323

Geographic coordinates

Geographic coordinates: -119.76406, 39.34851 (WGS84)
Elevation 1536
Relative position EAST SIDE, PLEASANT VALLEY

Site location context

Political divisions (FIPS codes)

Washoe(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Washoe City(quadrangle 1:24,000 scale)

Carson City(quadrangle 1:100,000 scale)

Reno(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Truckee(hydrologic unit)

Truckee(hydrologic accounting unit)

Central Lahontan(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 Washoe

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 017N 020E 08 SE4 OF SW4 Nevada

Commodities

Commodity Importance
Gold Primary
Arsenic Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Covellite Ore
Magnetite Ore
Malachite Ore
Pyrite Ore
Tourmaline Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone

Nearby scientific data

(1) -119.76406, 39.34851

Economic information

Geologic structures

Type of structure Regional
Structure description Walker Lane Fault System

Ore body information

  • Strike NE
    Dip 55W

Comments on the geologic information

  • WHITE VEIN IS POD LIKE WITH SLICKENSIDES OF MANGANESE-OXIDES STAINING. VEIN IS VUGGY CAVITIES CONTAIN CLOTS OF HEMATITE GOSSAN. WALLROCK IS FINE-GRAINED METAVOLCANIC ROCK SOME SPOTTED SCHIST. WALLROCK IS INCLUDED IN SOME VEIN SEGMENTS. NO IDENTIFIABLE METALLIC MINERALS WERE NOTED. NO SCHEELITE WAS SEEN UNDER AN (UV) LAMP.

Economic information about the deposit and operations

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

Mining district

District name Galena District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • PRODUCED MINOR GOLD FROM ARSENOPYRITE IN 1907, IN 1924, 66 TONS OF ARSENICAL ORE SHIPPED TO PITTSBURG, CALIF., CONVERTED TO CALCIUM ARSENATE TRENCHES,POSSIBLY CAVED ADIT

Comments on development

  • UNKNOWN ; ECON.COM: NONE

Reference information

Bibliographic references

  • Deposit

    OVERTON, T.D., MINERAL RESOURCES, DOUGLAS, ORMSBY, WASHOE CO, NEV., NBMG BULL 46, 1947

  • Deposit

    BONHAM, H.F., GEOL. AND MINERAL DEP, WASHOE, STOREY CO, NEV. NBMG. BULL 70, 1969

  • Deposit

    TELLURIDE CLAIMS, GALENA MINING DISTRICT,WASHOECOUNTY, TINGLEY SITE VISIT 7-21-89, NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).

General comments

Subject category Comment text
Deposit SUBDIVISION IS EXSPANDING ONTO THE MINE AREA, ACCESS TO MINES IS NOW BLOCKED. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1978 Tingley, J.V. Nevada Bureau of Mines and Geology
Updater 01-JUL-1989 Tingley, J.V. Nevada Bureau of Mines and Geology
Updater 01-JUN-1990 Garside, L.J. U.S. Geological Survey
Updater 01-AUG-1991 Marcus, S. (Doebrich, J.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Nevada resources

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