Corundum Hill Chromite Prospect

Prospect in Macon county in North Carolina, United States with commodities Aluminum, Chromium, Iron, Magnesite, Manganese, Silica, Titanium

Geologic information

Identification information

Deposit ID 10297228
MRDS ID K001880
MAS/MILS ID 0371130004
Record type Site
Current site name Corundum Hill Chromite Prospect
Related records 10025903

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -83.29178, 35.14841 (WGS84)
Elevation 768
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State County
United States North Carolina Macon

Commodities

Commodity Importance
Aluminum Tertiary
Chromium Tertiary
Iron Tertiary
Magnesite Tertiary
Manganese Tertiary
Silica Tertiary
Titanium Tertiary

Materials information

Materials Type of material
Chromite Unknown
Corundum Unknown
Kaolin Unknown
Olivine Unknown
Chromite Unknown
Olivine Unknown
Chromite Unknown

Nearby scientific data

Ore Body (1) -83.29178, 35.14841

Ore body information

  • Thickness 0.9M
    Depth to top 0M
    Width 30M
    Length 305M
    Area 1HA
    Field Value
    Type of Orebody #1 PLACER
    Shape of Orebody #1 OTHER
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 MASSIVE
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Secondary Ore Control OTHER
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. .9
    Total Surface Area (HA) 1
    Date of Last Modification 830316

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1871

Mineral rights holdings

Type of mineral rights Fee Ownership
Type of mineral rights Private Lease
Type of mineral rights Minerals Only

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Surface
    Area 0.9HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .8
    Percent Waste Rock 0
    Avg. Overburden Thickness 0
    Hardness of Ore SAND, SILT
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1975

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0371130004
USGS Mineral Resources Data System MRDS K001880 MAS references MRDS

Bibliographic references

  • Deposit

    CHARLES E HUNTER ET AL 1942 NORTH CAROLINA DEPARTMENT OF

  • Deposit

    CONSERVATION & DEVELOPMENT BULLETIN 42 CHROMITE DEPOSITS OF

  • Deposit

    CAROLINA PP 1 2 15 16 PL 8

  • Deposit

    J VOLNEY LEWIS 1922 USGS BULLETIN 725 DEPOSITS OF CHROME ORE

  • Deposit

    NORTH CAROLINA PP 118 119

  • Deposit

    JASPER L STUCKEY & STEPHEN G CONRAD 1958 NORTH CAROLINA

  • Deposit

    DEPARTMENT OF CONSERVATION & DEVELOPMENT BULLETIN 71 EXPLANA

  • Deposit

    TEXT FOR GEOLOGIC MAP OF NORTH CAROLINA PP 19-20

General comments

Subject category Comment text
Deposit YEAR ENTERED 1975 THE CHROMITE IS CHEMICAL IN GRADE WITH FOLLOWING ANALYSIS 51 CR2O3, 34.29% FEO, 3.0% SIO2, 5.16% AL2O3, 0.23% MGO, 0.04% 0.01% TIO2. CR:FE IS 1.4:1. FE CONTENT OF CHROMITE IS 25.07% CALCULATED FROM FEO. CHROMITE IS APPROXIMATELY 5% OF RESIDUAL ORE 12.5% OF PLACER 2.5% OF DISSEMINATED ORE RESIDUAL USED IN MATRIX CONSTRUCTIO RECORD 050 DEPOSIT WAS MINED FOR CORUNDUM IN 1871 RECORD 070 DESCRIPTION OF RESIDUAL ORE RECORD 071 DESCRIPTION OF PLACER ORE RECORD 072 DESCRIPTION OF DISSEMINATED ORE RECORD 080 CHROMITE OCCURS MAINLY AS A RESIDUAL DEPOSIT DERI FROM THE WEATHERING OF THE DUNITE BUT ALSO OCCURS AS A PLACE DEPOSIT & AS DISSEMINATED CHROMITE IN UNWEATHERED CHROMITE

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Lyday, Travis Q. U.S. Bureau of Mines