Savannah Deposit

Prospect in Chatham county in Georgia, United States with commodities Fluorine-Fluorite, Phosphorus-Phosphates, Uranium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  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. Mineral rights holdings
  14. Land status
  15. Ownership information
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10167925
MRDS ID W002119
MAS/MILS ID 0130510004
Record type Deposit
Current site name Savannah Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -80.97482, 31.95848 (WGS84)
Elevation 3

Site location context

Political divisions (FIPS codes)

Chatham(county)

Georgia(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wassaw Sound(quadrangle 1:24,000 scale)

Wassaw Sound(quadrangle 1:100,000 scale)

Brunswick(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ogeechee Coastal(hydrologic unit)

Ogeechee(hydrologic accounting unit)

Ogeechee-Savannah(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States Georgia Chatham

Comments on the location information

  • Area encompassed by this deposit extends an unknown distance beyond the State of South Carolina 3 mile limit into Federal land and into the State of South Carolina an unknown distance.

Commodities

Commodity Importance
Fluorine-Fluorite Critical Tertiary
Phosphorus-Phosphates Primary
Uranium Tertiary

Materials information

Materials Type of material
Collophane Unknown
Dolomite Unknown
Montmorillonite Unknown
Quartz Unknown

Mineral occurrence model information

Model code 244
USGS model code 34d
Deposit model name Phosphate, warm current type

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Phosphorite
  • Host or associated Associated
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Associated
    Rock type Unconsolidated Deposit > Clay, Mud
    Rock type qualifier diatomaceous
  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
    Rock type qualifier coarse

Nearby scientific data

Ore Body (1) -80.97482, 31.95848

Economic information

Ore body information

  • Thickness 10M
    Length 30426M
    Width 30426M
    Area 92576HA
    Depth to top 30.5M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 IRREGULAR
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 21.3
    Avg. Thick. Unconsol. Mat. 30.5
    Min. Thick. Unconsol. Mat. 4.5
    Total Surface Area (HA) 92576
    Date of Last Modification 800605

Comments on the geologic information

  • DENSITY IS FOR DRY IN-SITU ORE;ASSUME 20% MOISTURE

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Significant Yes
Discovery year 1966
Mining method Strip-Level
Milling method Flotation

Mining district

District name Coastal Georgia

Mineral rights holdings

Type of mineral rights Fee Ownership
Type of mineral rights Federal Lease
Type of mineral rights State Lease

Land status

Ownership category State Offshore

Ownership information

  • Type Owner
    Owner Kerr-Mc Gee Corp.
    Interest 6
    Home office Georgia
    Year 1978
  • Type Owner
    Owner State And Federal Lease Areas
    Interest 94
    Home office Georgia
    Year 1978

Comments on the ownership information

  • OWNERS:STATE & FEDERAL LEASE AREAS>94%,KERR-MCGEE CORP.>6%.

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Total resources 3095000000short tons
    Remarks Listed as 'Recoverable'.
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates BPL 65 wt-pct Phosphorus Primary 1978

Comments on the workings information

  • TOTAL LAND HOLDING IS 92,576 HECTARES. LAND- MARSHLAND MAY BE SUBJECT TO GOVERNMENT RESTRICTION. VEGETATION- SUBJECT TO DELICATE BALANCE BETWEEN SALT/FRESH WATER AND TIDAL FLOW. WILDLIFE- LIFE CYCLE OF SOME MARINE LIFE (E.G. SHRIMP, SEA TROUT) AND OFFSHORE FAUNA DEPENDENT ON SALTWATER MARSHLAND FOR BREEDING GROUND, FOOD AND NUTRIENTS. WATER- DRAWDOWN AND POSSIBLE BREACHING OF PRINCIPAL AQUIFER.

Reference information

Bibliographic references

  • Deposit

    FURLOW, JAMES W., "STRATIGRAPHY AND ECONOMIC GEOLOGY OF THE EASTERN CHATHAM COUNTY PHOSPHATE DEPOSIT", GEORGIA GEOLOGICAL SURVEY BULLETIN NO. 82, ATLANTA, 1969.

  • Deposit

    HERRICK, STEPHEN M., "WELL LOGS OF THE COASTAL PLAIN OF GEORGIA", GEORGIA GEOLOGICAL SURVEY BULL. NO. 70, PP. 78-109, ATLANTA, GEORGIA.

  • Deposit

    KRAUSE, R.E., AND GREGG, D.O., "WATER FROM THE PRINCIPLE ARTESIAN AQUIFER IN COASTAL GEORGIA", 1972.

  • Geology

    WOOLSEY, JAMES R. JR., "NEOGENE STRATIGRAPHY OF THE GEORGIA COAST AND INNER CONTINENTAL SHELF", UNPUBLISHED PHD. DISSERTATION, 200 PP., 1976.

  • Deposit

    "A REPORT ON PROPOSED LEASING OF STATE OWNED LANDS FOR PHOSPHATE MINING IN CHATHAM COUNTY, GEORGIA", SUBMITTED BY THE ADVISORY COMMITTEE ON MINERAL LEASING 1968.

  • Location

    WASSAW SOUND, GA. QUADRANGLE, GEORGIA 7 1/2 MINUTE SERIES, U.S.G.S. 1978.

  • Deposit

    ZELLARS-WILLIAMS INC., 1979, EVALUATION OF THE PHOSPHATE DEPOSITS OF GEORGIA, NORTH CAROLINA, AND SOUTH CAROLINA USING THE MINERALS AVAILABILITY SYSTEM: BUMINES OPEN FILE REPORT 14-79.

General comments

Subject category Comment text
Deposit CONTRACT #J0377000 ZELLARS-WILLIAMS INC. FLA. PHOSPHATE PRO EFFECTIVE DATE JUNE 13, 1977. DIMENSIONS ARE IDEALIZED FOR MINABLE AREA

Reporter information

Type Date Name Affiliation Comment
Reporter 05-OCT-92 Mishra, C.P. U.S. Bureau of Mines
Updater 15-NOV-10 Causey, J. Douglas U.S. Geological Survey Updated with some information From Orris and Chernoff (2004)

Beyond USGS

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