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Monitor Beryllium Deposit

Prospect 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. Reserves and resources
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10055144
MRDS ID RE00159
Record type Site
Current site name Monitor Beryllium Deposit

Geographic coordinates

Geographic coordinates: -113.21999, 39.7205 (WGS84)
Elevation 1466
Relative position 15,000 FT N60W 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 05 SW OF SW OF NE Utah

Commodities

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

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) -113.21999, 39.7205
ListMap

Economic information

Geologic structures

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

Ore body information

  • General form TABULAR
    Strike NE
    Dip NW
    Length 4023.25M
    Width 304.8M

Controls for ore emplacement

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

Economic information about the deposit and operations

Development status Prospect
Commodity type Both
Deposit size Large
Significant No
Discovery year 1965
Discoverer Anaconda Company

Mining district

District name Spor Mountain District

Ownership information

  • Type Owner-Operator
    Owner Brush-Wellman

Reserves and resources

  • Type In-situ
    Estimate year 1989
    Total resources 2000mt ore
    Commodity Subtype Grade units Group Importance Year
    Beryllium Be 0.23 wt-pct Beryllium Major 1989

Comments on the reserve resource information

  • THIS IS THE ESTIMATE OF THE RESERVES FOR ALL OF BRUSH-WELLMANS HOLDINGS IN THE SPOR MOUNTAIN DISTRICT. A QUARTER TO A THIRD OF THIS ORE IS CONTAINED IN THE MONITOR DEPOSIT.

Comments on the workings information

  • NO MINE WORKINGS. DEPOSIT EXPLORED BY DRILLING

Comments on development

  • IN 1977, THIS DEPOSIT BELONGED TO THE ANACONDA COMPANY, BUT IT NOW BELONGS TO BRUSH-WELLMAN. NO MINING HAS BEEN DONE ON THIS DEPOSIT YET, BUT IT CONTAINS SOME OF THE LARGEST RESERVES IN THE DISTRICT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit Discovery Year: 1960'S
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 PROBABLY THE LARGEST KNOWN DEPOSIT, WORLDWIDE, OF THIS DEPOSIT TYPE. 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

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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