Holcombe Branch Chromite Prospect

Prospect in Madison county in North Carolina, United States with commodities Chromium, Iron
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Land status
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10199620
MRDS ID K001725
MAS/MILS ID 0371150007
Record type Site
Current site name Holcombe Branch Chromite Prospect
Related records 10025780

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -82.48426, 35.8068 (WGS84)
Elevation 756
Location accuracy 500(meters)

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
Chromium Critical Primary
Iron Tertiary

Materials information

Materials Type of material
Alabandite Unknown
Chalcedony Unknown
Chlorite Unknown
Chromite Unknown
Corundum Unknown
Garnierite Unknown
Olivine Unknown
Spinel Unknown
Talc Unknown
Vermiculite Unknown

Nearby scientific data

Ore Body (1) -82.48426, 35.8068

Economic information

Ore body information

  • Thickness 1.2M
    Length 305M
    Width 45M
    Area 1.6HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 PLACER
    Shape of Orebody #1 LENTICULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control OTHER
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 1.6
    Date of Last Modification 820901

Comments on the geologic information

  • WEATHERED MATERIAL AGGRADATES IN DRAINAGE BASIN.

Economic information about the deposit and operations

Operation type Placer
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1885
Milling method Gravity

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Private

Comments on the reserve resource information

  • RESERVE-RESOURCE DATA REVIEWED BY M.FORTH 1979.
  • THE CHROMITE IS ABOUT 3.5 PCT. OF THE PLACER DEPOSIT AND CONTAINS ESTIMATED 55.5 PCT. CR2O3 & 28.5 PCT. FE2O3. DEPOSIT HAS NEVER PRODUCED.

Workings at the site

  • Type of workings Surface
    Area 1.4HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method ALLUVIAL MINING
    Swell Factor .8
    Percent Waste Rock 0
    Avg. Overburden Thickness 0
    Hardness of Ore SAND, SILT
    Capacity 100
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 3.87
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1979

Reference information

Bibliographic references

  • Deposit

    CHARLES E. HUNTER ET. AL. (1942) NORTH CAROLINA DEPARTMENT O

  • Deposit

    CONSERVATION & DEVELOPMENT BULLETIN 42 "CHROMITE DEPOSITS OF

  • Deposit

    CAROLINA" PP. 7-8 & PL. 2.

  • Deposit

    J. VOLNEY LEWIS (1922) USGS BULLETIN 725 "DEPOSITS OF CHROME

  • Deposit

    NORTH CAROLINA" P. 130-132.

  • Deposit

    USBUMINES WAR MINERALS MEMORANDUM (1943) EASTERN REGIONAL FI

  • Deposit

    "NORTH CAROLINA CHROME" P. 6.

  • Deposit

    JASPER L. STUCKEY & STEPHEN G. CONRAD (1958) NORTH CAROLINA

  • Deposit

    DEPARTMENT OF CONSERVATION & DEVELOPMENT BULLETIN 71 "EXPLAN

  • Deposit

    TEXT FOR GEOLOGIC MAP OF NORTH CAROLINA" PP 19-20.

  • Deposit

    HUNTER, W.L. AND G.V. SULLIVAN. UTILIZATION STUDIES ON

  • Deposit

    CHROMITE FROM SEIAD CREEK, CALIFORNIA, U.S. BUMINES RI 5576,

  • Deposit

    1960, PP. 22-23.

General comments

Subject category Comment text
Deposit THE CHROMITE IS APPROXIMATELY 3.5% OF THE PLACER DEPOSIT CONTAINS AN ESTIMATED 55.5% CR2O3 & 28.5% FE2O3, BASED ON SIMILAR DEPOSIT AT DEMOCRAT. ORE CONTROLLED BY THE TOPOGRAPHY OF DRAINAGE BASIN.

Reporter information

Type Date Name Affiliation Comment
Reporter 09-OCT-96 Hartos U.S. Bureau of Mines

Beyond USGS

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