Terra Cotta Clay and Sand Deposit

Past Producer in District of Columbia, United States with commodities Kaolin, Sand and Gravel, Construction
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10105461
MRDS ID W000515
Record type Site
Current site name Terra Cotta Clay and Sand Deposit

Geographic coordinates

Geographic coordinates: -77.003, 38.94892 (WGS84)
Elevation 76

Site location context

Political divisions (FIPS codes)

District of Columbia(county)

District of Columbia(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Washington West(quadrangle 1:24,000 scale)

Washington West(quadrangle 1:100,000 scale)

Washington(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Potomac-Anacostia-Occoquan(hydrologic unit)

Potomac(hydrologic accounting unit)

Potomac(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State
United States District of Columbia

Commodities

Commodity Importance
Kaolin Primary
Sand and Gravel, Construction Secondary

Comments on the commodity information

  • ACCORDING TO THE FOLIO REFERENCE THE SAND UNDERLIES THE CLAY AT TERRA COTTA. THE CLAY WAS USED TO MAKE TERRA-COTTA TILES AND THE SAND WAS USED AS A TEMPERING FOR THE CLAY AS WELL AS FOR MAKING SILICA BRICKS

Materials information

Materials Type of material
Clay Ore
Kaolin Ore
Sand Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Clay, Mud
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel

Nearby scientific data

(1) -77.003, 38.94892

Economic information

Comments on the geologic information

  • GEOL.DESC: DEPOSIT MATERIALS KNOWN AS THE PATUXENT FORMATION (JOHNSTON REF.)

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No

Ownership information

  • Type Owner-Operator
    Owner National Brick And Supply Co.

Comments on the production information

  • PRODUCTION YEARS AND AMOUNTS NOT AVAILABLE.

Reference information

Bibliographic references

  • Deposit

    DARTON, N.H., AND KEITH, A., 1901, USGS GEOLOGIC ATLAS OF US, FOLIO 70, P. 7.

  • Deposit

    JOHNSTON, P.M., 1964, USGS WSP 1776, PLATE 1.

  • Deposit

    CARR, M.S., 1950, USGS BULL. 967, P. 48, PL. 6.

  • Deposit

    BROUGHTON, P.L., 1964, ROCKS AND MINERALS, VOL 39, NO. 9-10, P. 458-460.

General comments

Subject category Comment text
Deposit VERY LITTLE INFORMATION AVAILABLE CONCERNING THIS DEPOSIT. BRICK OPERATIONS CEASED IN THE EARLY 1960'S. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Wright, Nancy A. U.S. Geological Survey

Beyond USGS

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