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  3. Mineral Resource Data System (MRDS)

Thomas Mine

Past Producer in Dent county in Missouri, United States with commodity Iron
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10010158
MRDS ID D003716
Record type Site
Current site name Thomas Mine

Geographic coordinates

Geographic coordinates: -91.61208, 37.64923 (WGS84)
Relative position 4 1/2 MILES WEST OF SALEM

Site location context

Political divisions (FIPS codes)

Dent(county)

Missouri(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Salem(quadrangle 1:24,000 scale)

Rolla(quadrangle 1:100,000 scale)

Rolla(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 Dent

Public Land Survey System information

Meridian Township Range Section Fraction State
5th Principal 006W 034N 17 SE OF NE Missouri

Comments on the location information

  • SITUATED ON THE CREST OF A LOW HILL, ABOOUT 80 YARDS NORTHWEST OF THE LENOX MINE.

Commodities

Commodity Importance
Iron Primary

Analytical data

Result AVERAGE SAMPLE RAN: 57.78 % IRON AND 0.127 % PHOSPHORUS

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -91.61208, 37.64923
ListMap

Economic information

Ore body information

  • Length 44.2M

Comments on the geologic information

  • THERE IS NO RIM-ROCK.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1879
Year of last production 1892

Mining district

District name Southeast Missouri

Workings at the site

  • Type of workings Surface
    Overall depth 10.67M
    Overall length 32M
    Overall width 32M

Comments on the workings information

  • DEVELOPMENTS CONSIST OF A CIRCULAR PIT 105 FT. IN DIAMETER AND 35 FT. DEEP.

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: CRANE, G. W., 1912 , MISSOURI BUREAU OF MINES AND GEOLOGY, 2D SER., V. 10 , P. 233 .

  • Deposit

    CRANE, G. W., 1912 , THE IRON ORES OF MISSOURI: MISSOURI BUREAU OF MINES AND GEOLOGY, 2D SER., V. 10 , P. 232 - 233 .

  • Deposit

    NASON, FRANK L., 1892 , A REPORT ON THE IRON ORES OF MISSOURI: MISSOURI GEOLOGICAL SURVEY, 1ST SER., V. 2 , P. 320 .

  • Production

    NASON, FRANK L., 1892 , MISSOURI GEOLOGICAL SURVEY, 1ST SER., V. 2 , P. 320 .

General comments

Subject category Comment text
Deposit OREBODY GRADUALLY DIPS BENEATH WALL ROCK AND EXTENDS ON THE NORTHWEST TO A DISTANCE OF 40 FT. FROM THE PIT. DEPOSIT IS OPEN AT DEPTH. ORE OFTEN SHOWS STALACTITIC STRUCTURES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1979 Sherwood, Liz U.S. Geological Survey

Beyond USGS

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

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