Gamma Group, Nos. 1&2

Occurrence in Churchill county in Nevada, United States with commodities Stone, Dimension, Zeolites

Geologic information

Identification information

Deposit ID 10045371
MRDS ID M233081
Record type Site
Current site name Gamma Group, Nos. 1&2
Alternate or previous names Gamma Lignite Prospect

Geographic coordinates

Geographic coordinates: -117.93484, 39.30019 (WGS84)
Elevation 1966
Location accuracy 250(meters)
Relative position ABOUT 72 MILES BY ROAD E OF FALLOW
(click for info)

Geographic areas

Country State County
United States Nevada Churchill

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 037E 35 E2 OF E2 Nevada

Comments on the location information

  • 300 YARDS WEST OF GOLD TRAIL GROUP MINE. LAND UNSURVEYED. LOCATION PROJECTED. ; INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Stone, Dimension Primary
Zeolites Secondary

Materials information

Materials Type of material
Chabazite Ore
Clinoptilolite Ore
Erionite Ore
Phillipsite Ore

Alteration

  • (Local) Opalization, Zeolitzation

Analytical data

Result UP TO 0.1% U (BY BURNING LIGNITE TO ASH)
Result ASH CONTENT OF LIGNITE IS 59-75%

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -117.93484, 39.30019

Geologic structures

Type of structure Local
Structure description Ne-Trending Normal Fault

Ore body information

  • General form BLANKET
    Strike EAST
    Dip 2-21N
    Thickness 4.57M
    Width 3.05M
    Length 402.33M

Controls for ore emplacement

  • Lacustrine Beds

Comments on the geologic information

  • URANIUM IS REPORTED PRESENT IN A 10-FT INTERNAL IN TERT. SEDIMENTARY ROCKS CONTAINING 50% LIGNITIC UNITS. ONE BED AVERAGES 3.5 FT. THICK AND CONTAINS UP TO 0.06% U (0.1% IN ASH)

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1948
Discoverer Fred F. Erband Cleo Erb, Of Fallon, Nev.
Discovery method Ore-Mineral In Place

Mining district

District name Eastgate District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner Shell Development Co. (1960'S)

Comments on the workings information

  • A 30-FT 5 INCLINED ADIT AND A 10-FT. LONG TRENCH (IN 1950)

Comments on development

  • ZEOLITES WERE FIRST RECOGNIZED IN THE AREA BY PETER E. GALLI, JR., IN 1959, WHILE EXPLORING FOR ZEOLITES ON BEHALF OF UNION CARBIDE CO,. WHO LOCATED M-20 ACRE PLACER CLAIMS IN 1959. SOME EXTENSIVE TRENCHING EXPLORATION WAS DONE ON THE CLAIMS, BUT THEY WER ALLOWED TO LAPSE. IN JUNE, 1962, SHELL DEVELOPMENT CO. LOCATED 7 PLACER CLAIMS IN THE AREA OF THE EARLIER CLAIMS, AS WELL AS II ADDITIONAL CLAIMS, BUT ALL CLAIMS HAD APPARENTLY LAPSED BY 1971.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M233081

Bibliographic references

  • Deposit

    GARSIDE, L.J., 1973, RADIOACTIVE MINERAL OCCURRENCES IN NEVADA: NBMG BULL. 81

  • Deposit

    WILLDEN, R., AND R.C. SPEED, 1974, GEOLOGY AND MINERAL DEPOSITS OF CHURCHILL CO. NV.; N.B.M.G. BULL 83.

  • Deposit

    STAATZ, M.H., AND H.L., BAUER, JR, 1954, GAMMA GROUP, IN LOVERING, T.G., RADIOACTIVE DEPOSITS OF NEVADA; USGS BULL 1009-C P.76-77.

  • Deposit

    MILS, 1979, U.S.B.M.

General comments

Subject category Comment text
Deposit 5 THIN CLAYED LIGNITE BEDS
Deposit THE WALLS OF 2 BUILDING AT EASTGATE WERE CONSTRUCTED OF ZEOLITE-RICH ROCK QUARRIED AT THE NORTH END OF THE DEPOSIT. THERE HAS BEEN NO OTHER PRODUCTION EXCEPT, POSSIBLE, SMALL EXPERIMENTAL SHIPMENTS: (PARKE.19723 ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-81 La Pointe, D. D. Nevada Bureau of Mines and Geology