Armstrong Deposit

Producer in Iron county in Utah, United States with commodity Iron
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10251840
MAS/MILS ID 0490210023
Record type Site
Current site name Armstrong Deposit

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -113.2322, 37.71357 (WGS84)
Elevation 1837
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Iron(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cedar City NW(quadrangle 1:24,000 scale)

Cedar City(quadrangle 1:100,000 scale)

Cedar City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Escalante Desert(hydrologic unit)

Escalante Desert-Sevier Lake(hydrologic accounting unit)

Escalante Desert-Sevier Lake(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Federal(land status)

Geographic areas

Country State County
United States Utah Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 035 S 012 W 32 W2 Utah

Commodities

Commodity Importance
Iron Tertiary

Materials information

Materials Type of material
Apatite Unknown
Magnetite Unknown
Quartz Unknown

Nearby scientific data

Main Entrance (1) -113.2322, 37.71357

Economic information

Ore body information

  • Thickness 45M
    Length 300M
    Width 45M
    Area 16HA
    Depth to top 25M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 BRECCIA FILL
    Primary mode of Origin CONT METASOMATIC
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Strike And Dip N35E:
    Minimum Depth to Top 0
    Total Surface Area (HA) 16
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant No
Discovery year 1911
Year of first production 1958

Mining district

District name Iron Springs District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Utah International, Inc.
    Interest 50
    Home office Utah
    Year 1976
  • Type Owner
    Owner U.S. Steel Corp.
    Interest 50
    Home office Utah
    Year 1976

Workings at the site

  • Type of workings Surface
    Area 16HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method BENCH (BERM)
    Swell Factor .35
    Percent Waste Rock 66.6
    Avg. Overburden Thickness 23
    Primary Material Cover M-HARD ROCKS
    Percentage 100
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 23
    Max. Pit Slope (degrees) 45
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1976

Reference information

Bibliographic references

  • Deposit

    IRON DEPOSITS, IRON CO., UTAH USBM RI4076 BY W.E. YOUNG

  • Deposit

    IRON DEPOSITS OF UTAH UGMS BULLETIN 88 BY K.C. BULLOCK

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Utah Geological And Mineral Survey Utah Geological and Mineral Survey

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

External references