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Amatrice Hill Variscite Deposit

Past Producer in Tooele county in Utah, United States with commodity Gemstone
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10087643
MRDS ID D008443
Record type Site
Current site name Amatrice Hill Variscite Deposit

Geographic coordinates

Geographic coordinates: -112.51275, 40.45688 (WGS84)
Elevation 1780
Relative position APPROX. 2 1/2 MI. WEST OF SOUTH MOUNTAIN

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Deseret Peak East(quadrangle 1:24,000 scale)

Rush Valley(quadrangle 1:100,000 scale)

Tooele(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rush-Tooele Valleys(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 Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 0045 006W 22 W2 Utah

Commodities

Commodity Importance
Gemstone Primary

Comments on the commodity information

  • GEM QUALITY VARISCITE

Alteration

  • (Local) Argillization, Limonitization

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Qquirrh Formation
    Rock description Qquirrh Formation
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian

Economic information

Ore body information

  • General form LENTICULAR
    Strike N5E
    Dip 60W

Controls for ore emplacement

  • Minor, Steeply Dipping Faults Nearly Parallel To Bedding.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1905
Year of first production 1908

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Three Queens Gem Corp.

Workings at the site

  • Type of workings Surface/Underground
    Length 7.62M

Comments on the workings information

  • THE WORKINGS CONSIST OF PITS AND ADITS; ONE SHALLOW ADIT IS APPROX. 25 FT. IN LENGTH ON THE EXTENSION OF THE EASTERN FISSURE AND ANOTHER WAS DRIVEN TO INTERSECT TWO MINERALIZED ZONES BUT FAILED TO EXPOSE ANY IMPORTANT MINERALIZATION.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE STRIKE OF THE MINERALIZED FISSURES VARIES FROM N10W TO 15E, AND THE DIP, FROM 45-75W. THE PHOSPHATE MINERALS PRINCIPALLY OCCUR AS REPLACEMENTS OF CHERT NODULES.
Deposit ALL THE DISCOVERED VARISCITE DEPOSITS ARE ON THE SOUTHEAST END OF THE HILL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1980 Messenger, Harold M. III Bureau of Land Management

Beyond USGS

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

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