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  3. Mineral Resource Data System (MRDS)

Rainbow Beryllium Deposit

Producer in Juab county in Utah, United States with commodities Beryllium, Uranium, Fluorine-Fluorite
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10055162
MRDS ID RE00195
Record type Site
Current site name Rainbow Beryllium Deposit

Geographic coordinates

Geographic coordinates: -113.20554, 39.70772 (WGS84)
Elevation 1524
Relative position 9,200 FT N70W FROM THE BELL HILL MINE

Site location context

Political divisions (FIPS codes)

Juab(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Topaz Mountain West(quadrangle 1:24,000 scale)

Fish Springs(quadrangle 1:100,000 scale)

Delta(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Great Salt Lake Desert(hydrologic unit)

Great Salt Lake(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Juab

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 013S 012W 09 NW OF SE OF NW Utah

Commodities

Commodity Importance
Beryllium Critical Primary
Uranium Tertiary
Fluorine-Fluorite Critical Tertiary

Materials information

Materials Type of material
Bertrandite Ore
Barite Gangue
Calcite Gangue
Montmorillonite Gangue
Opal Gangue
Fluorite Unknown

Alteration

  • (Local) Argillic Alteration And Silicification

Analytical data

Result ORE FORM THE DISTRICT GENERALLY CONTAINS GREATER THAN 0.28% BEO, WITH MINOR U (0.014%) AND F (2.7%).

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Beryllium Tuff Member Of The Spor Mountain Formation;Porphyritic Rhyolite Member Of The Spor Mountain Formation;
    Rock description Beryllium Tuff Member Of The Spor Mountain Formation;Porphyritic Rhyolite Member Of The Spor Mountain Formation;
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -113.20554, 39.70772
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Deep Creek-Tintic District Mineral Belt, Utah Beryllium Belt
Type of structure Local
Structure description Ene-Striking High-Angle Faults. Beds Dip Gently To The Northwest

Ore body information

  • General form TABULAR
    Strike NE
    Dip NW
    Length 1127.76M
    Width 274.32M

Controls for ore emplacement

  • High-Angle Faults Cutting Beryllium Tuff. Lithophile-Rich Rhyolitic Volcanics

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Medium
Significant No
Discovery year 1965
Discoverer Anaconda Company

Mining district

District name Spor Mountain District

Ownership information

  • Type Owner-Operator
    Owner Brush-Wellman

Comments on the workings information

  • MINING IS BY THE OPEN PIT METHOD. MINING IS CURRENTLY IN PROGRESS (AS OF 3-89)

Comments on development

  • DEPOSIT WAS HELD BY ANACONDA IN 1977 WHO SOLD IT TO BRUSH-WELLMAN. THE DEPOSIT IS CURRENTLY BEING MINED BYBRUSH-WELLMAN USING OPEN PIT METHODS. MINING OF THIS DEPOSIT BEGAN IN THE 1980'S.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT IS A REPLACEMENT OF THE BERYLLIUM TUFF MEMBER OF THE SPOR MOUNTAIN FORMATION. BE TRANSPORTED IN HYDROTHERMAL SOLUTIONS AS A FLUORIDE COMPLEX AND DEPOSITED UPON PRECIPITATION OF FLUORITE REPLACING DOLOMITE IN THE TUFF.
Deposit THIS IS ONE OF TWO PITS CURRENTLY SUPPLYING BRUSH-WELLMAN'S MILL AND PROCESSING FACILITY. THE OTHER OPERATING PIT IS IN THE BLUE CHALK DEPOSIT. REFERENCE FOR THIS DEPOSIT TYPE IS: LINDSEY, D.A., AND SHAWE, D.R., 1982, SPOR MOUNTAIN BE-F-U DEPOSITS, IN, ERICKSON, R.L., COMPILER, CHARACTERISTICS OF MINERAL DEPOSIT OCCURRENCES: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-795, P. 67-69. ; INFO.SRC : 1 PUB LIT; 5 PERS COMM
Deposit Discovery Year: 1960'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1989 Shubat, Michael A. Utah Geological and Mineral Survey

Beyond USGS

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

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