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Grand Isle Block 16 Mine

Producer in Plaquemines county in Louisiana, United States with commodities Sulfur, Halite, Limestone, High Calcium
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10061187
MRDS ID TC34045
Record type Site
Current site name Grand Isle Block 16 Mine
Alternate or previous names Caminada Pass

Geographic coordinates

Geographic coordinates: -89.94008, 29.19027 (WGS84)
Relative position 6 MI S OF GRAND ISLE

Site location context

Political divisions (FIPS codes)

Plaquemines(county)

Louisiana(state)

United States(country)

USGS map quadrangles

Grand Isle(quadrangle 1:24,000 scale)

Mississippi River Delta(quadrangle 1:100,000 scale)

Breton Sound(quadrangle 1:250,000 scale)

Geographic areas

Country State County
United States Louisiana Plaquemines

Comments on the location information

  • APPROXIMATELY 20.75 MILES FROM PLAQUEMINES PARISH. LOCATION OF SULFUR PRODUCTION PLATFORM IN GRAND ISLE BLOCK 17

Commodities

Commodity Importance
Sulfur Primary
Halite Tertiary
Limestone, High Calcium Tertiary

Materials information

Materials Type of material
Halite Ore

Alteration

  • (Local) Biogenic Alteration Of Anhydrock To Limestone

Mineral occurrence model information

Model code 255
USGS model code 35a.7 (35ag)
Deposit model name Salt-dome sulfur

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Louann
    Rock description Louann
    Stratigraphic age (youngest) Middle Jurassic
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Salt

Nearby scientific data

(1) -89.94008, 29.19027
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Economic information

Geologic structures

Type of structure Local
Structure description Piercement Salt Dome

Ore body information

  • Depth to top 594.97M

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Large
Significant No
Discovery year 1955
Year of first production 1968
Production years 1968-1969, 1988-

Land status

Ownership category State Offshore

Ownership information

  • Type Operator
    Owner Freeport Sulphur Co.
  • Type Owner
    Owner State Of Louisiana
    Home office Louisiana

Comments on the reserve resource information

  • TOTAL PRE-MINING ULTIMATE RESOURCE.

Comments on the workings information

  • FRASCH PRODUCTION OF SULFUR FROM 3 OFFSHORE PLATFORMS IN 50 FT WATER.

Comments on development

  • DOME DISCOVERED 1946 BY GRAVITY AND SEISMIC REFLECTION. SULFUR DISCOVERED 1955 BY DRILLING.

Reference information

Bibliographic references

  • Deposit

    WAGUESPACK, S.J., 1983, SALT DOMES OF SOUTH LOUISIANA: NEW ORLEANS GEOLOGICAL SOCIETY, V. 3, P. 32-33

  • Other Database

    CIMRI

  • Production

    WAGUESPACK, S.J., 1983, P. 32-33.

General comments

Subject category Comment text
Deposit WATER DEPTH 60 FT. DEPTH TO CAPROCK 1952 FT. DEPTH TO SALT 1735 FT. SALT VOLUME 11.6 CU MI TO 10,000 FT DEPTH.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1992 Long, Keith R. U.S. Geological Survey

Beyond USGS

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

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