Thomforde Pits

Past Producer in Goodhue county in Minnesota, United States with commodity Clay
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10072951
MRDS ID W018686
Record type Site
Current site name Thomforde Pits

Geographic coordinates

Geographic coordinates: -92.58019, 44.39417 (WGS84)
Elevation 351

Site location context

Political divisions (FIPS codes)

Goodhue(county)

Minnesota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Goodhue East(quadrangle 1:24,000 scale)

Rochester(quadrangle 1:100,000 scale)

Saint Paul(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Zumbro(hydrologic unit)

Upper Mississippi-Black-Root(hydrologic accounting unit)

Upper Mississippi-Black-Root(hydrologic subregion)

Upper Mississippi(hydrologic region)

Geographic areas

Country State County
United States Minnesota Goodhue

Public Land Survey System information

Meridian Township Range Section Fraction State
111N 015W 26 Minnesota

Commodities

Commodity Importance
Clay Primary

Comments on the commodity information

  • DEPOSIT MATERIAL USED PRIMARILY IN CERAMICS INDUSTRY

Materials information

Materials Type of material
Clay Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
    Rock unit name Glacial Drift, Loess, And Outwash Sands;Windrow Formation, Ferruginous And Clastic Members;Oneota Formation, Dolomite Sand;Jordan Sandstone

Nearby scientific data

(1) -92.58019, 44.39417

Economic information

Geologic structures

Type of structure Local
Structure description Cretaceous Sediments Flank North Trending, Gently Dipping Red Wing-Rochester Anticline

Ore body information

  • General form IRREGULAR, LENSES, PODS
    Thickness 4.57M
    Depth to top 1.52M

Controls for ore emplacement

  • Clay-Size Deposition Probably From Local Stagnant Pools In A Flood Plain. Interbedding Caused By Shifting Stream Channels.

Comments on the geologic information

  • WINDROW FORMATION COMPOSED OF LOWER IRON HILL MEMBER AND UPPER OSTRANDER MEMBER; CLAY DEPOSITS FOUND PRINCIPALLY IN OSTRANDER MEMBER BUT SOME CLAYS FOUND IN OVERLYING PLEISTOCENE LAKE SEDIMENTS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1875

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Red Wing Sewer, Red Wing, Mn
  • Type Owner
    Owner Red Wing Sewer Pipe Corp

Comments on the workings information

  • CLAY DEPOSIT HERE COVERS ABOUT 50 ACRES.

Comments on development

  • ECON.COM: MATERIAL TRANSPORTATION TO MARKET MAINLY BY HIGHWAY

Reference information

Bibliographic references

  • Deposit

    AUSTIN, G.S., 1963, GEOLOGY OF CLAY DEPOSITS; RED WING AREA, GOODHUE AND WABASHA COUNTIES, MN, MINNESOTA GEOLOGICAL SURVEY R.I. 2.

  • Deposit

    GROUT, F.F., AND SOPER, E.K., 1919, CLAYS AND SHALES OF MINNESOTA; U.S. GEOLOGICAL SURVEY BULL.678.

  • Deposit

    1919 COMPILA GROUT, F.F., AND SOPER, E.K., BULLETIN 67

  • Production

    SEE AUSTIN, 1963, M.G.S.R.I. 2 FOR SEDIMENT SIZING

General comments

Subject category Comment text
Deposit A FERRUGINOUS RESIDUUM IS OVER LAIN BY LIMONITE-STAINED SAND. THE GRAY-WHITE CLAY LENS IS COMPLETELY ENCLOSED BY THIS SAND, WITH A 2-3 FT. TRASITION ZONE BETWEEN THE CLAY AND SAND
Deposit Discovery Year: 1870'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1984 Sutphin, David M. U.S. Geological Survey
Updater 01-MAR-1997 Sutphin, David M. U.S. Geological Survey
Editor 01-MAY-1997 Mason Jr., G.T. U.S. Geological Survey

Beyond USGS

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