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Coleman Iron Mine

Past Producer in Crawford county in Missouri, United States with commodity Iron
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10121904
MAS/MILS ID 0290550010
Record type Site
Current site name Coleman Iron Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -91.20343, 38.01196 (WGS84)
Elevation 201
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Crawford(county)

Missouri(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Onondaga Cave(quadrangle 1:24,000 scale)

Sullivan(quadrangle 1:100,000 scale)

Saint Louis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Meramec(hydrologic unit)

Upper Mississippi-Meramec(hydrologic accounting unit)

Upper Mississippi-Kaskaskia-Meramec(hydrologic subregion)

Upper Mississippi(hydrologic region)

Geographic areas

Country State County
United States Missouri Crawford

Public Land Survey System information

Meridian Township Range Section Fraction State
5th Principal 038 N 003 W 14 N2 Missouri

Commodities

Commodity Importance
Iron Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Chert Unknown
Hematite Unknown
Kaolinite Unknown
Limonite Unknown
Marcasite Unknown
Pyrite Unknown
Pyrolusite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -91.20343, 38.01196
ListMap

Economic information

Ore body information

  • Thickness 3M
    Length 221M
    Width 5M
    Area 5HA
    Depth to top 5M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 OTHER
    Shape of Orebody #2 LENTICULAR
    Shape of Orebody #3 PIPELIKE
    Primary mode of Origin RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 15
    Min. Thick. Unconsol. Mat. 5
    Total Surface Area (HA) 5
    Date of Last Modification 790329

Comments on the geologic information

  • MINERAL GANGUE CONSISTS OF SOIL MATRIX. SOIL MOSTLY KAOLINITE, QUARTZ, AND CHERT.
  • DEPOSITIONAL.CHARACTER OF ORE: OCCURS AS POCKETS OF LIMONITE/HEMATITE IN THE RESIDUUM OR IN CAVITIES IN UNDERLYING ROCK. ORE IS IN RESIDUUM OVERLYING JEFFERSON CITY AND ROUBIDOUX FORMATIONS.

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1937

Comments on exploration

  • EXPLORATION: BROWN IRON MINES USUALLY DISCOVERED BY VISUAL INSPECTION FOR PRESENCE OF LIMONITE, FOLLOWED BY DIGGING OF TEST PIT. DATE OF GEOLOGIC MAPPING IS UNCERTAIN.

Mining district

District name Missouri Brown Iron Belt

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner E. W. Gravatt
    Interest 50
    Home office Missouri
    Year 1978
  • Type Owner
    Owner Elmer Clinton
    Interest 50
    Home office Missouri
    Year 1978

Comments on the ownership information

  • OWNER/OP. OWNERSHIP DATA FROM A 1958 STUDY. PROPERTY MAY HAVE SINCE CHANGED HANDS.

Comments on the reserve resource information

  • ORE GRADE GRADE OF 37.8% FE HAS BEEN USED. THIS IS AN ESTIMATE OF THE AVERAGE GRADE FOR ALL REMAINING RESERVES. ACTUAL GRADE FOR EACH MINE WILL VARY BUT IS NOT BELOW 35% FE.

Workings at the site

  • Type of workings Surface
    Area 0HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method STRIP-HILLSIDE
    Percent Waste Rock 80
    Avg. Overburden Thickness 3
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, SILT
    Max. Pit Slope (degrees) 30
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1978

Reference information

General comments

Subject category Comment text
Deposit OWNER/OP OWNERSHIP DATA FROM A 1958 STUDY. PROPERTY MAY HAVE SINCE CHANGED HANDS. LOCATION MINE LOCATION HAS BEEN TAKEN AS CENTER OF PROPERTY OWNER/OP. OWNERSHIP DATA FROM A 1958 STUDY. PROPERTY MAY MINING ORE IS IN THE SOIL SO THERE IS USUALLY NO COVER. BENCH HEIGHT NOT APPLICABLE . NO BENCHES. NO COST INFORMATION INCLUDED FOR MINING. MILLING CONCENTRATE AVERAGED 55% FE AND NOT MORE THAN

Reporter information

Type Date Name Affiliation Comment
Reporter 13-MAY-1985 Lewis, J.D. U.S. Bureau of Mines

Beyond USGS

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

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