Unnamed Sample Locality

Occurrence in Buncombe county in North Carolina, United States with commodities Chromium, Nickel, Olivine, Talc-Soapstone, Asbestos
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10026473
MRDS ID K005114
Record type Site
Current site name Unnamed Sample Locality
Alternate or previous names Part of Democrat Olivine Body Dunite

Geographic coordinates

Geographic coordinates: -82.50736, 35.77038 (WGS84)
Relative position 1000 FEET E OF MORGAN HILL CHURCH

Site location context

Political divisions (FIPS codes)

Buncombe(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mars Hill(quadrangle 1:24,000 scale)

Asheville(quadrangle 1:100,000 scale)

Knoxville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper French Broad(hydrologic unit)

French Broad-Holston(hydrologic accounting unit)

Upper Tennessee(hydrologic subregion)

Tennessee(hydrologic region)

Geographic areas

Country State County
United States North Carolina Buncombe

Comments on the location information

  • ONLY EXPOSURES OF UNWEATHERED OLIVINE IN THE QUADRANGLE

Commodities

Commodity Importance
Chromium Critical Primary
Nickel Critical Primary
Olivine Primary
Talc-Soapstone Primary
Asbestos Primary

Comments on the commodity information

  • PROSPECT CHIEFLY FOR CHROMITE BUT OTHER ORE MINERALS PRESENT.

Materials information

Materials Type of material
Asbestos Ore
Chromite Ore
Garnierite Ore
Olivine Ore
Talc Ore
Chalcedony Gangue
Vermiculite Gangue

Alteration

  • (Local) Serpentization Of Olivine

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Bio Horn Migmatite (Unit 2) Roan Gneiss
    Rock description Bio Horn Migmatite (Unit 2) Roan Gneiss
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -82.50736, 35.77038

Economic information

Ore body information

  • General form POD/LENS AND DISSEMINATED

Controls for ore emplacement

  • Dunite Bodies. Residual Concentrations And Stream Placers For Chromite. Weathering Residual For Nickel.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Medium
Significant No

Mining district

District name Democrat Deposit

Comments on the reserve resource information

  • THE OLIVINE RESERVES ARE FOR THE ENTIRE DEMOCRAT BODY.

Comments on the workings information

  • SAMPLE LOCALITY FOR BENTZEN'S CHROMITE WORK AND OCCURRENCE OF GARNIERITE IN SAPROLITE OF ROAD CUT ON IMPROVED N. C. 197. OLIVINE IS ALSO EXPOSED AT THIS LOCALITY.

Comments on development

  • ECON.COM: CHROMITE AND NICKEL ARE NOT FOUND IN SUFFICIENT AMOUNTS AND THE OLIVINE HAS BEEN HIGHLY SERPENTINIZED.

Reference information

Bibliographic references

  • Deposit

    HUNTER, C. E., MURDOCK, T. G., AND MACCARTHY, G. R., 1942, CHROMITE DEPOSITS OF NORTH CAROLINA: NORTH CAROLINA DEPARTMENT OF CONSERV. AND DEVEL., DIV. OF MINERAL RESOURCES BULL. 42, 39 P.

  • Deposit

    HUNTER, C. E., 1941, FORSTERITE OLIVINE DEPOSITS OF NORTH CAROLINA AND GEORGIA: NORTH CAROLINA DEPT. OF CONSERV. AND DEVEL., DIV. OF MINERAL RESOURCES, BULL. 41, 117 P.

  • Deposit

    PRATT, J. H. AND LEWIS, J. V., 1905, CORUNDUM AND THE PERIDOTITES OF WESTERN NORTH CAROLINA: RALEIGH, NORTH CAROLINA GEOLOGICAL SURVEY, VOL. 1 464 P.

  • Deposit

    BENTZEN, E. H. III, 1970, CHEMICAL COMPOSITION OF SOME NORTH CAROLINA CHROMITE: ECON. GEOL. V. 65 P. 883 - 885.

  • Deposit

    5) MERSCHAT, C. E., IN PROGRESS 1976, GEOLOGIC MAP AND MINERAL RESOURCES SUMMARY OF THE MARS HILL QUADRANGLE, NORTH CAROLINA: NORTH CAROLINA DEPARTMENT OF NAT. ECON. RESOURCES, MINERAL RESOURCES SECTION GM 191-SE AND MRS 19 1-SE.

  • Deposit

    6) PAWEL, G. W., 1939, NICKEL IN NORTH CAROLINA: THE SO-LONG KNOWN SILICATE ORES OF JACKSON COUNTY ONCE MORE INVITE ATTENTION: ENG. MINING JOUR., V. 140, NO. 10, P. 35 - 38.

  • Deposit

    7) WORTHINGTON, J. E., 1964, AN EXPLORATION PROGRAM FOR NICKEL IN THE SOUTHEASTERN UNITED STATES: ECON. GEOL. V. 59, P. 97 - 109.

  • Deposit

    8) CARPENTER, R. H. AND HALE, R. C. 1967, NICKELIFEROUS SOILS AND STREAM SEDIMENTS ASSOCIATED WITH PERIDOTITES NEAR DEMOCRAT, NORTH CAROLINA: SOUTHEASTERN GEOL. V. 8, NO. 1, P. 9 - 18.

  • Deposit

    5) MERSCHAT, C. E., IN PROGRESS 1976, GEOLOGIC MAP AND MINERAL RESOURCES SUMMARY OF THE MARS HILL QUADRANGLE; NORTH CAROLINA: NORTH CAROLINA DEPT. NAT. AND ECON. RESOURCES, MINERAL RESOURCES SEC. GM 191-SE AND MRS 191-SE

  • Deposit

    1905 COMPILE PRATT AND LEWIS, N. C. GEOLOGICAL SURVEY

  • Deposit

    1941 GEOPHYS HUNTER, AND OTHERS, N. C. DEPT. CONS. AND DEV.

  • Deposit

    1942 GEOPHYS HUNTER, AND OTHERS, N. C. DEPT. CONS. DEV.

  • Reserve-Resource

    HUNTER, C. E., 1941, FORSTERITE OLIVINE DEPOSITS OF N. CAROLINA AND GEORGIA

General comments

Subject category Comment text
Deposit OCCURS NEAR THE CONTACT OF BIOTITE-HORNBLENDE MIGMATITE (UNIT 2) AND ALUMINOUS METASEDIMENTARY ROCKS (UNIT 3)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Merschat, Carl E. U.S. Geological Survey

Beyond USGS

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