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Third Term Mine

Past Producer in Tooele county in Utah, United States with commodities Lead, Silver, Copper
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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. Land status
  17. Ownership information
  18. Production statistics
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10019993
MRDS ID DC12137
Record type Site
Current site name Third Term Mine

Geographic coordinates

Geographic coordinates: -112.5972, 40.503 (WGS84)
Elevation 2432
Relative position APPROX. 1.45 MI. EAST OF NORTH WILLOW LAKE.

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

North Willow Canyon(quadrangle 1:24,000 scale)

Tooele(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)

Federal lands

Uinta-Wasatch-Cache National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Utah Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 004S 007W 02 Utah

Commodities

Commodity Importance
Lead Primary
Silver Primary
Copper Secondary

Materials information

Materials Type of material
Copper Ore
Hematite Gangue
Jarosite Gangue
Limonite Gangue

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Pine Canyon Limestone;Gardner Dolomite
    Rock description Pine Canyon Limestone;Gardner Dolomite

Nearby scientific data

(1) -112.5972, 40.503
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Deseret Anticline

Ore body information

  • General form LENS
    Strike N40W
    Dip 65SW
    Thickness 4.57M
    Length 30.48M
    Width 9.14M

Controls for ore emplacement

  • N40w Brecciated Zone; The Brecciation Is Due To Numerous Closely Spaced, Subparallel, Small, Northwest-Striking Normal Faulty.

Comments on the geologic information

  • EXCEPT FOR THE 900 FT. TUNNEL, THE WORKING ARE NEARLY ON THE GARDNER DOLOMITE-PINE CANYON LIMESTONE CONTACT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1870
Year of first production 1870

Mining district

District name Third Term

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Ray Mining And Dev. Co.
  • Type Owner
    Owner Thomas J. Wells

Production statistics

  • Year 1925
    Accuracy Estimate
    Description Ap_Grade: ^7 To 8 Percent Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 8wt-pct

Comments on the workings information

  • A 165 FT. ADIT INTERSECTS A 46 DEGREE INCLINED STOPE BEGUN FROM A GLORY HOLE 78 FT. ABOVE THE ADIT PORTAL. OTHER WORKINGS INCLUDE A CAVED-IN ADIT, 900 FT. LONG, DRIVEN FROM THE SOUTHWEST TO INTERSECT THE MINERALIZED ZONE, A 65 FT. CAVED-IN SHAFT ON A WEAKLY COPPER-MINERALIZED ZONE WITH AN INTERSECTING, 170 FT. ADIT, AND ASSOCIATED SHAFT ADITS AND PITS

Comments on development

  • THE U.S. BUREAU OF MINES FIELD WORK (1980) WAS PART OF A MINERAL RESOURCES EVALUATION OF A RARE II AREA (04-757) IN THE STANSBURY MTNS. SECTION (GRANTSVILLE DIV.) OF THE WASATCH NATIONAL FOREST. ; ECON.COM: APPROX. $100,000 OF ORE SOLD DURING THE HISTORY OF THE MINE.

Reference information

Bibliographic references

  • Deposit

    ALMQUIST, CARL, 1980, ON-SITE INVESTIGATION, U.S. BUREAU OF MINES, DENVER, COLORADO.

  • Deposit

    MESSENGER, H.M. III, 1980, ON-SITE INVESTIGATION,: UTAH GEOL. AND MINERAL SURVEY.

  • Deposit

    RIGBY, J.K., 1958, GEOLOGY OF THE STANSBURY MOUNTAINS: GUIDEBOOK TO THE GEOLOGY OF UTAH NO. 13, UTAH GEOL. SOCIETY, P. 127.

  • Deposit

    U.S. BUREAU OF MINES, 1950, MINERAL PROPERTY FILE NO. 37.49, DENVER, COLO., UNPUBLISHED OPEN-FILE REPORT

  • Deposit

    1950 RECON USBM-MINERAL PROPERTY FILE 37.49

  • Deposit

    1980 RECON USBM-DENVER, COLO.

  • Deposit

    1980 RECON UTAH GEOL. AND MINERAL SURVEY

  • Production

    U.S.G.S. MINERAL RESOURCES 1917, 1925, 1940; U.S.B.M. (1950)

General comments

Subject category Comment text
Deposit MOST OF THE ORE WAS PRODUCED FROM THE GLORY HOLE THAT BECAME THE 100 FT., 46 DEGREE DECLINE. THE 900 FT. DRIFT DID NOT EXPOSE ANY ORE, BUT DID INTERSECT SOME FISSURES CARRYING IRON OXIDES. ; INFO.SRC : 3 FIELD OBSERV; 2 UNPUB REPT; 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Messenger, Harold M. III U.S. Geological Survey
Updater 01-MAR-1981 Messenger, Harold M. III U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site