Snow Camp Mine

Past Producer in Alamance county in North Carolina, United States with commodities Talc-Soapstone, Mica
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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10069802
MRDS ID W007493
Record type Site
Current site name Snow Camp Mine
Alternate or previous names Holman's Mill Mine
Related records 10224306

Geographic coordinates

Geographic coordinates: -79.3967, 35.86176 (WGS84)

Site location context

Political divisions (FIPS codes)

Alamance(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crutchfield Crossroads(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 Alamance

Commodities

Commodity Importance
Talc-Soapstone Primary
Mica Secondary

Materials information

Materials Type of material
Pyrophyllite Ore
Sericite Ore
Quartz Gangue

Alteration

  • (Local) Silicic, Sericitic, Pyrophyllitic

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 Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -79.3967, 35.86176

Economic information

Ore body information

  • General form LENTICULAR, PIPELIKE
    Length 1200M
    Width 500M

Controls for ore emplacement

  • North-Trending Fracture System

Comments on the geologic information

  • IRREGULAR PIPELIKE BODY, 100-200 FT. IN DIAMETER OF QUARTZ-PYROPHYLLITE ROCK IN SERICITE ALTERED VOLCANIC ROCKS.u ENTIRE ALTERATION SYSTEM MAY BE MORE THAN 1 KM WIDE AND SEVERAL KM LONG.u PART OF A LARGE AREA OF HYDROTHERMAL ALTERATIN IN ALAMANCE AND ORANGEu COUNTIES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Large
Significant No
Year of first production 1940

Ownership information

  • Type Operator
    Owner North State Pyrophyllite Co.

Workings at the site

  • Type of workings Surface
    Overall depth 61M
    Overall width 46M

Comments on development

  • DEPOSIT MINED SINCE ABOUT 1940, OR LITTLE EARLIER BY NORTH STATE PYROPHYLLITE CO.

Reference information

Bibliographic references

  • Deposit

    BROADHURST, S. D., AND COUNCILL, R. J., 1953, A PRELIMINARY REPORT ON HIGH ALUMINA MINERALS IN THE VOLCANIC - SLATE SERIES, NORTH CAROLINA: NORTH CAROLINA GEOLOGICAL SURVEY INF. CIRC. 10.

  • Deposit

    ESPENSHADE, G. H., APR. 15, 1953, UNPUBLISHED FILE REPORT. SCHMIDT, R.G., 1985, SNOW CAMP PYROPHYLLITE DEPOSIT: IN P.G. FEISS ED. GEOLOGY OF VOLCANIC-HOSTED GOLD AND PYROPHYLLITE DEPOSITS IN THE CAROLINA SLATE BELT: SOCIETY OF ECONOMIC GEOLOGISTS FALL FIELD TRIP GUIDEBOOK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1959 Espenshade, Gilbert H. U.S. Geological Survey
Updater 01-JUN-1992 Klein, T.L. U.S. Geological Survey

Beyond USGS

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