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

Mars Hill Deposit

Occurrence in Madison county in North Carolina, United States with commodity REE
Map
XML
JSON
KML
B
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. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10026480
MRDS ID K005122
Record type Site
Current site name Mars Hill Deposit
Alternate or previous names Rev. Corn Monazite Deposit

Geographic coordinates

Geographic coordinates: -82.59153, 35.8101 (WGS84)
Relative position 4900 FEET SOUTH OF BULL CREEK SCHOOL

Site location context

Political divisions (FIPS codes)

Madison(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 Madison

Commodities

Commodity Importance
REE Critical Primary

Comments on the commodity information

  • SOME MONAZITE CAN BE SCRATCHED OUT OF THE WASTE PILES WITH THE AID OF A GEIGER COUNTER.

Materials information

Materials Type of material
Monazite Ore
Biotite Gangue
Feldspar Gangue
Quartz Gangue

Analytical data

Result FROM OVERSTREET (1967): RE2O3 - 63.29%, THO2 - 6.55%, U3O8 - .036%, P2O5 23.44%, S1O2 2.03%, AL2O3 - 1.64%, FE2O3 1.74%, CAO .80%
Result MGO 0.15%, PB 0.179%, MNO - .16%, H2O - .28%, H2O+1.22%, INSOLUBLE RESIDUE .40%, TOTAL 101.91%.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Bio Granitic Gneiss (Unit 1) Craneberry Granite
    Rock description Bio Granitic Gneiss (Unit 1) Craneberry Granite

Nearby scientific data

(1) -82.59153, 35.8101
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Thickness 4.57M
    Length 30.48M

Controls for ore emplacement

  • Pegmatite

Comments on the geologic information

  • PEGMATITE IS ROUGHLY CONCORDANT TO THE LAYERED BIO-GRANITIC GNEISSES

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1891
Discoverer First Reported By Genth

Workings at the site

  • Type of workings Surface/Underground
    Area 0.016HA
    Overall depth 13.72M
    Overall length 22.86M
    Overall width 7.62M

Comments on the workings information

  • ONE VERTICAL SHAFT, NOW COMPLETELY FILLED. SEVERAL EXPLORATION PITS AND DUMPS IN VICINITY OF SHAFT.

Comments on development

  • SCHALLER DID MINERALOGICAL WORK ON THE LARGEST CRYSTAL OF MONAZITE FOUND HERE. POSSIBLY THE LARGEST MONAZITE CRYSTAL IN THE WORLD.

Reference information

Bibliographic references

  • Deposit

    SCHALLER, W. T., 1933, A LARGE MONAZITE CRYSTAL FROM NORTH CAROLINA: AM. MINERALOGIST, V. 18, P. 435-439.

  • Deposit

    OVERSTREET, W. C., 1967, THE GEOLOGIC OCCURRENCE OF MONAZITE: U. S. GEOLOGICAL SURVEY PROF. PAPER 530, 327 P.

  • Deposit

    GENTH, F. A., 1891, THE MINERALS OF NORTH CAROLINA: U. S. GEOLOGICAL SURVEY BULL. 74, 119 P.

  • Deposit

    MARBLE, J. R., 1936, POSSIBLE AGE OF MONAZITE FROM MARS HILL, NORTH CAROLINA: AM. MINERALOGIST, V. 21, P. 456 - 457.

  • Deposit

    5) PRATT, J. H., 1913, NEW OCCURRENCES OF MONAZITE IN NORTH CAROLINA: JOURN. ELISHA MITCHELL SCI. SOC., BULL. 28, P. 153 - 156.

  • Deposit

    6) PRATT, J. H., 1916, ZIRCON, MONAZITE AND OTHER MINERALS, USED IN THE PRODUCTION OF CHEMICAL COMPOUNDS EMPLOYED IN THE MANUFACTURING OF LIGHTING APPARATUS: NORTH CAROLINA GEOL. AND ECON. SURVEY, BULL. 25, P. 47.

  • Deposit

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

  • Deposit

    7) 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

    1891 OTHER GENTH, USGS BULL. 74

  • Deposit

    1933 OTHER SCHALLER, AM. MINERALOGIST, V. 18, P. 435 - 439

  • Deposit

    1967 COMPILE OVERSTREET, PROF. PAPER 530

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Merschat, Carl E. 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.

Maps centered on this site