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Hilton Head Island Deposit

Past Producer in Beaufort county in South Carolina, United States with commodities REE, Titanium, Zirconium
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Land status
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10275172
MRDS ID W002532
MAS/MILS ID 0450130002
Record type Site
Current site name Hilton Head Island Deposit
Related records 10096170

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -80.72481, 32.20578 (WGS84)
Elevation 30
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Beaufort(county)

South Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hilton Head(quadrangle 1:24,000 scale)

Beaufort(quadrangle 1:100,000 scale)

Savannah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Broad-St. Helena(hydrologic unit)

Edisto-South Carolina Coastal(hydrologic accounting unit)

Edisto-Santee(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States South Carolina Beaufort

Commodities

Commodity Importance
REE Critical Primary
Titanium Critical Secondary
Zirconium Critical Secondary

Materials information

Materials Type of material
Epidote Unknown
Garnet Unknown
Ilmenite Unknown
Kaolin Unknown
Magnetite Unknown
Monazite Unknown
Quartz Unknown
Rutile Unknown
Staurolite Unknown
Zircon Unknown

Nearby scientific data

Ore Body (1) -80.72481, 32.20578
ListMap

Economic information

Ore body information

  • Thickness 9.1M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 PLACER
    Shape of Orebody #1 LENTICULAR
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 831219
  • Area 5180HA
    Field Value
    Total Surface Area (HA) 5180
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1879
Mining method Dredging
Milling method Magnetic And Electrostatic

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Private

Comments on the production information

  • PRECISE MILL RECOVERY IS 81.88 PERCENT. MILL RECOVERY GRAVITY MILL=92%; MILL RECOVERY DRY MILL=89%.

Reserves and resources

  • Type In-situ
    Estimate year 1967
    Indicated 759300000mt ore
    Demonstrated 759300000mt ore
    Total resources 759300000mt ore
    Commodity Subtype Grade units Group Importance Year
    REE REE 0.008 wt-pct REE Major 1967
    Titanium TiO2 0.2659 wt-pct Titanium Minor 1967
    Titanium TiO2 0.12 wt-pct Titanium Minor 1967
    Zirconium ZrO2 0.069 wt-pct Zirconium Minor 1967
  • Type In-situ
    Estimate year 1967
    Indicated 172900000mt ore
    Demonstrated 172900000mt ore
    Total resources 172900000mt ore
    Commodity Subtype Grade units Group Importance Year
    REE REE 0.013 wt-pct REE Major 1967
    Titanium TiO2 0.457 wt-pct Titanium Minor 1967
    Titanium TiO2 0.19 wt-pct Titanium Minor 1967
    Zirconium ZrO2 0.105 wt-pct Zirconium Minor 1967
  • Type In-situ
    Estimate year 1967
    Indicated 43400000mt ore
    Demonstrated 43400000mt ore
    Total resources 43400000mt ore
    Commodity Subtype Grade units Group Importance Year
    REE REE 0.018 wt-pct REE Major 1967
    Titanium TiO2 0.675 wt-pct Titanium Minor 1967
    Titanium TiO2 0.25 wt-pct Titanium Minor 1967
    Zirconium ZrO2 0.1489 wt-pct Zirconium Minor 1967

Comments on the reserve resource information

  • REO (RARE EARTH OXIDE)
  • M9C4=M1C1 M9C5=M1C2 M9C6=M1C3. GRADE IN LINE 2 FOR ILMENITE; GRADE IN LINE 3 FOR RUTILE.
  • EXPENSIVE RESORT AREA, MUCH BUILT-UP. ACCORDING TO EFOC, LIMITED RESERVE POTENTIAL; ENVIRONMENTAL SENSITIVE AREA; DEVELOPED AS RECREATIONAL AREA.

Workings at the site

  • Type of workings Surface
    Area 5180HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method DREDGING
    Swell Factor .8
    Percent Waste Rock 0
    Avg. Overburden Thickness 0
    Hardness of Ore SAND, SILT
    Capacity 22000
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost .23
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 3
    Year of Information 1983

Comments on the workings information

  • MINING IS ESTIMATED TO BE PROHIBITIVE; HILTON HEAD ISLAND IS A PLUSH RECREATIONAL AREA.

Comments on other economic factors

  • SLURRY IS PUMPED ABOUT 1.6 KM FROM GRAVITY MILL TO DRY MILL.

Reference information

Bibliographic references

  • Reserve-Resource

    WILLIAMS, L. HEAVY MINERALS IN SOUTH CAROLINA. DIVISION

  • Reserve-Resource

    MC CAULEY, C.K. EXPLORATION FOR HEAVY MINERALS ON HILTON

  • Reserve-Resource

    HEAD ISLAND, SOUTH CAROLINA. DIVISION OF GEOLOGY, SOUTH

  • Reserve-Resource

    CAROLINA STATE DEVELOPMENT BOARD, BULL. NO. 26, 1960,

  • Reserve-Resource

    13 PP.

  • Deposit

    KLINE, M.H., R.F. GRIFFITH, AND L.A. HANSON. HOLLOW

  • Deposit

    CREEK, MONAZITE PLACER, AIKEN COUNTY, SOUTH CAROLINA.

  • Deposit

    BUMINES REPORT RME-3127, 1954, 29 PP.

  • Deposit

    LEMONS, J.F., JR. AND L.V. COPPA. MINING AND PROCESSING

  • Deposit

    METHODS AND COST MODELS FOR THE RECOVERY OF THORIUM FROM

  • Deposit

    DOMESTIC OCCURRENCES. U.S. DEPT. OF ENERGY, GJBX-91(79),

  • Deposit

    MAY 1979, PP. 26-49.

  • Deposit

    MCCAULEY, C.K. EXPLORATION FOR HEAVY MINERALS ON HILTON

  • Deposit

    HEAD ISLAND, SOUTH CAROLINA. DIVISION OF GEOLOGY, SOUTH

  • Deposit

    CAROLINA DEVELOPMENT BOARD, BULL. 26, 1960, P. 2.

  • Deposit

    OVERSTREET, W.C., P.K. THEOBALD, JR., AND J.W. WHITLOW.

  • Deposit

    THORIUM AND URANIUM RESOURCES IN MONAZITE PLACERS OF THE

  • Deposit

    WESTERN PIEDMONT, NORTH AND SOUTH CAROLINA. MIN. ENG. (NY),

  • Deposit

    V. 11, JULY 1959, PP. 709-714.

  • Deposit

    WILLIAMS L. HEAVY MINERALS IN SOUTH CAROLINA. DIVISION

  • Deposit

    OF GEOLOGY, SOUTH CAROLINA DEVELOPMENT BOARD, BULL. 35,

  • Deposit

    1967, 35 PP.

General comments

Subject category Comment text
Deposit OVERALL DEPOSIT AREA IS 5180 HECTARES; AVERAGE THICKNESS IS 9.14 METERS.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-MAR-95 Hartos U.S. Bureau of Mines

Beyond USGS

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

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