1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Thornton-Dowling Mine

Past Producer in Phelps county in Missouri, United States with commodity Iron
Map
XML
JSON
KML
C
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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10010200
MRDS ID D003772
Record type Site
Current site name Thornton-Dowling Mine

Geographic coordinates

Geographic coordinates: -91.58625, 37.97228 (WGS84)

Site location context

Political divisions (FIPS codes)

Phelps(county)

Missouri(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Maramec Spring(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 Phelps

Public Land Survey System information

Meridian Township Range Section Fraction State
5th Principal 038N 006W 33 NE Missouri

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Clay Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Clay, Mud
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert

Nearby scientific data

(1) Gasconade Dolomite
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Southeast Missouri

Reference information

Bibliographic references

  • Deposit

    CRANE, G. W., 1912 , THE IRON ORES OF MISSOURI: MISSOURI BUREAU OF MINES AND GEOLOGY 2D SER., V. 10 , P. 298 .

  • Deposit

    NASON, FRANK L., 1892 , A REPORT ON THE IRON ORES OF MISSOURI: MISSOURI GEOLOGICAL SURVEY, 1ST SER., V. 2 , P. 321 , 229 .

  • Production

    NASON, FRANK, L., 1892 , MISSOURI GEOLOGICAL SURVEY, 1ST SER., V. 2 , P. 321 .

General comments

Subject category Comment text
Deposit SOFT RED HEMATITE WITH SMALL PIECES OF HARD SPECULAR ORE. NO LARGE BOULDERS HAVE YET BEEN FOUND.

Reporter information

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

Beyond USGS

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

Maps centered on this site