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Hill-Johnson Prospect

Occurrence in Washoe county in Nevada, United States with commodity Molybdenum
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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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10055073
MRDS ID RE00008
Record type Site
Current site name Hill-Johnson Prospect
Alternate or previous names Redrock

Geographic coordinates

Geographic coordinates: -119.84101, 39.74072 (WGS84)

Site location context

Political divisions (FIPS codes)

Washoe(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Reno NE(quadrangle 1:24,000 scale)

Reno(quadrangle 1:100,000 scale)

Reno(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Honey-Eagle Lakes(hydrologic unit)

North Lahontan(hydrologic accounting unit)

North Lahontan(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States Nevada Washoe

Public Land Survey System information

Meridian Township Range Section Fraction State
22N 19E 27 SW Nevada

Comments on the location information

  • UTM IS PLUS OR MINUS 250N PROSPECT IS IN SW CORNER OF SECTION 27, JUST SOUTH OF THE 4-W DRIVE TRAIL. A VERY SMALL PROSPECT.

Commodities

Commodity Importance
Molybdenum Primary

Materials information

Materials Type of material
Ilsemannite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -119.84101, 39.74072
ListMap

Economic information

Comments on the geologic information

  • BLUE MOLYBDENUM OXIDE STAINS, PRESUMABLY ILSEMANNITE, OCCUR ON QUARTZ STRINGERS FORMING A 1 TO 2 FOOT WIDE ZONE IN SCHIST. THE ZONE STRIKES NORTHERLY AND HAS A GENTLE WEST DIP. IT CAN BE TRACED FOR SEVERAL HUNDRED FEET. THE SCHIST IS METAMORPHOSED DACITE VOLCANIC ROCK OCCURRING AS A SMALL PENDANT WITHIN GRANITIC ROCKS OF LATE MESOZOIC AGE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Unnamed

Land status

Ownership category Federal

Comments on the workings information

  • A SMALL SHALLOW PIT

Reference information

Bibliographic references

  • Deposit

    BONHAM, HAROLD F., GEOLOGY AND MINERAL DEPOSITS OF WASHOE AND STOREY COUNTIES, NEVADA, NBMG BULL 70, P.97.

  • Deposit

    SCHILLING, AN INVENTORY OF MOLYBDENNUM OCCURRENCES, NBMG REPORT #2, 1962, P. 39-40.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1990 Skurski, M. (Marcus, Sue) U.S. Geological Survey
Updater 01-APR-1991 Moyer, Lorre A. (Marcus, S.M.) U.S. Geological Survey

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.