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

Bradshaw Mine

Past Producer in Orange county in North Carolina, United States with commodity Talc-Soapstone
Map
XML
JSON
KML
C
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10105545
MRDS ID W007492
Record type Site
Current site name Bradshaw Mine

Geographic coordinates

Geographic coordinates: -79.23976, 35.97259 (WGS84)

Site location context

Political divisions (FIPS codes)

Orange(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

White Cross(quadrangle 1:24,000 scale)

Chapel Hill(quadrangle 1:100,000 scale)

Raleigh(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Haw(hydrologic unit)

Cape Fear(hydrologic accounting unit)

Cape Fear(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States North Carolina Orange

Commodities

Commodity Importance
Talc-Soapstone Primary

Materials information

Materials Type of material
Pyrophyllite Ore

Alteration

  • (Local) Pyrophyllitic, Sericitic, Silicic

Analytical data

Result 24 % PYROPHYLLITE DURING INTIAL MINING OPERATIONS DROPPING TO 11 % AT THE END OF PRODUCTION.

Mineral occurrence model information

Model code 154
USGS model code 25e
Deposit model name Epithermal quartz-alunite Au
Mark3 model number 38

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock

Nearby scientific data

(1) -79.23976, 35.97259
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Virginia Syncline Axis Trends Ne

Ore body information

  • General form LENTICULAR
    Thickness 24M
    Length 61M
    Width 30M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Year of first production 1958
Year of last production 1961
Production years 1958-1961

Mining district

District name Hillsborough

Ownership information

  • Type Operator
    Owner Carolina Pyrophyllite Co.

Comments on the production information

  • ABOUT 11,000 - 12,000 T. TOTAL PRODUCTION.

Workings at the site

  • Type of workings Surface
    Overall depth 24M
    Overall length 55.78M
    Overall width 30M

Reference information

Bibliographic references

  • Analytical Data

    ALLEN AND WILSON, 1968

  • Deposit

    HUME, J. J., CARTHAGE, N. C., 1958, ORAL COMMUNICATION - HUME IS PROSPECTOR FOR CAROLINA P. CO. NO OTHER INFORMATION AVAILABLE.

  • Deposit

    ALLEN, E.P. AND WILSON, W.F., 1968, GEOLOGY AND MINERAL RESOURCES OF ORANGE COUNTY, NORTH CAROLINA: NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT, DIVISION OF MINERAL RESOURCES BULLETIN 81, P. 48.

  • Production

    HUME, J.J., 1958, ORAL COMM.

General comments

Subject category Comment text
Deposit CLEAVAGE N 55 E DIPPING 75 NW

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1959 Espenshade, Gilbert H. U.S. Geological Survey
Updater 01-JUN-1993 Klein, T.L. 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