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Holcombe Branch Olivine Deposit

Past Producer in Madison county in North Carolina, United States with commodities Olivine, Corundum, Chromium, Talc-Soapstone
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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. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10025780
MRDS ID K001725
Record type Site
Current site name Holcombe Branch Olivine Deposit
Related records 10199620

Geographic coordinates

Geographic coordinates: -82.4843, 35.80677 (WGS84)
Relative position 1.5 MILES NORTH OF DEMOCRAT ON BOTH SIDES OF HOLCOMBE BRANCH

Site location context

Political divisions (FIPS codes)

Madison(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Barnardsville(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
Olivine Primary
Corundum Secondary
Chromium Critical Tertiary
Talc-Soapstone Tertiary

Materials information

Materials Type of material
Chromite Ore
Corundum Ore
Olivine Ore
Talc Ore

Alteration

  • (Local) Serpentinization

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -82.4843, 35.80677
ListMap

Economic information

Ore body information

  • Length 914.4M
    Width 457.2M

Comments on the geologic information

  • PART OF BODY SOUTH OF BRANCH HAS HIGHER SOAPSTONE CONTENT THAN THAT NORTH OF BRANCH. CHROMITE CRYSTALS ARE CONSPICUOUS. TALC AND CHLORITE CONFINED TO JOINTS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No

Mining district

District name Canton-Democrat Area

Comments on the workings information

  • DEPOSIT BROKEN UP BY FAULTS AND CONTAINS SEVERAL SCHIST INCLUSIONS.

Comments on development

  • CORUNDUM MINED AT OLD CARTER MINE ON HOLCOMBE BRANCH; IT WAS FOUND IN AN INTERIOR VEIN ENCLOSED BY CHLORITE AND VERMICULITE.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    LARRABEE, D.M. AND SWEENEY, J.W., 1968, OLIVINE IN MINERAL RESOURCES OF THE APPALACHIAN REGION: U.S. GEOLOGICAL SURVEY PROF. PAPER 580, P. 326-327.

  • Deposit

    HUNTER, C.E. AND MURDOCK, T.G., 1946, THE VERMICULITE DEPOSITS OF NORTH CAROLINA: NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 50, 44 P.

  • Deposit

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

  • Deposit

    1941 GEOLMAP TENN. VALLEY AUTHORITY, REPOR

  • Production

    HUNTER, C.E., 1941, N.C. DIV. MIN. RES. BULL. 41

General comments

Subject category Comment text
Deposit AREA HAS BEEN STREAM SEDIMENT SAMPLED FOR NICKEL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1974 Fagan, James M. U.S. Geological Survey

Beyond USGS

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

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