Rock Creek Uranium Occurrence

Prospect in Humboldt county in Nevada, United States with commodity Uranium

Geologic information

Identification information

Deposit ID 10047386
MRDS ID M242676
Record type Site
Current site name Rock Creek Uranium Occurrence

Geographic coordinates

Geographic coordinates: -118.00238, 41.74905 (WGS84)
Elevation 1585
Relative position ABOUT 4.5 MILE (7KM) N 35 W OF SENTINEL PEAK
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Geographic areas

Country State County
United States Nevada Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 045N 035E 25 Nevada

Comments on the location information

  • ALONG RANGE FRONT AT AND SOUTH OF MOUTH OF ROCK CREEK. UTM TO ONE OF SEVERAL OCCURRENCES . INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Barite Gangue
Calcite Gangue
Chalcopyrite Gangue
Galena Gangue
Ilmenite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicic, Hydrothermal. Potash Feldspar

Analytical data

Result UP TO 0.019% U3O8 AND 0.23% EU. URANIFEROUS SAMPLES ALSO HAVE HIGH AS, BE, HG, MO, PB, SB, W, ZN, ZR. BACKGROUND RADIOACTIVITY IS 200 TO 400 CPS (45-90 UR) IN RHYOLITE AND LESS THAN 200 CPS (45 UR) IN OVERLYING SEDIMENTARY ROCKS. RADIOACTIVITY IS BETWEEN 400 AND 4000 CPS (90-880 UR) IN A ZONE OF OUTCROPS FROM ROCK CREEK TO A POINT ABOUT 1500 KM SW OF ROCK CREEK. RADIOACTIVITY RUNS BETWEEN 500 AND 2000 CPS (110-440 UR) ALONG ROCK CREEK FOR ABOUT 300 M IN A N 50 W DIRECTION.

Mineral occurrence model information

Model code 155
USGS model code 25f
BC deposit profile D06
Deposit model name Volcanogenic U

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -118.00238, 41.74905

Geologic structures

Type Description Terms
Regional Southern Part Of The Mcdermitt Caldera, A Miocene Subsidence Feature 40 Km Across
Local Probable Ne-Trending High-Angle Normal Fault With S Side Down Is Just N Of The Radioactive Occurrences. Possible Nw-Trending Faults Also In The Area.

Ore body information

  • Strike NE
    Dip SHALLOWLY SW
    Width 275M
    Length 1500M

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Disaster District; King'S River; Thacker Pass Area

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • DRILL HOLES

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M242676

Bibliographic references

  • Deposit

    CASTOR, S.B. AND MITCHELL, T.P., 1980, FIELD EXAMINATION OF URANIUM OCCURRENCE.

  • Deposit

    WILLDEN, R., 1964, NBMG BULL 59, PL. I.

  • Deposit

    RYTUBA, J.J., AND CONRAD, W.K., 1979, USGS OFR 79-541.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1985 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey