Belle Isle Deposit

Producer in St. Mary county in Louisiana, United States with commodities Halite, Limestone, Ultra Pure, Sulfur
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10061185
MRDS ID TC34042
Record type Site
Current site name Belle Isle Deposit

Geographic coordinates

Geographic coordinates: -91.39956, 29.52692 (WGS84)
Elevation 24
Relative position SE OF NORTH BEND

Site location context

Political divisions (FIPS codes)

St. Mary(county)

Louisiana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Belle Isle(quadrangle 1:24,000 scale)

Morgan City(quadrangle 1:100,000 scale)

New Orleans(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Atchafalaya(hydrologic unit)

Atchafalaya-Vermillion(hydrologic accounting unit)

Louisiana Coastal(hydrologic subregion)

Lower Mississippi(hydrologic region)

Geographic areas

Country State County
United States Louisiana St. Mary

Public Land Survey System information

Meridian Township Range Section Fraction State
Louisiana 17S 10E; 11E Louisiana

Commodities

Commodity Importance
Halite Primary
Limestone, Ultra Pure Tertiary
Sulfur 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) -91.39956, 29.52692

Economic information

Geologic structures

Type of structure Local
Structure description Piercement Salt Dome

Ore body information

  • Depth to top 76.2M

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Discovery year 1896
Discoverer Gulf Salt Co. (Salt)
Year of first production 1961
Production years 1961- (SALT)

Mining district

District name Five Islands

Ownership information

  • Type Operator
    Owner Cargill Salt Co.

Comments on the production information

  • MINIMUM PRODUCTION FIGURE

Workings at the site

  • Type of workings Underground
    Overall depth 396.24M
    Overall length 1066.8M
    Overall width 975.36M

Comments on the workings information

  • ROOM AND PILLAR MINING OF SALT FROM 1300 TO 1400 FT LEVELS.

Comments on development

  • DOME FIRST DRILLED 1896. EXPLORED FOR SULFUR 1916-1917 BY A.F. LUCAS (6 WELLS), 1921-1925 BY UNION SULPHUR CO. (10 WELLS), AND 1929-1930 BY FREEPORT SULPHUR CO. (7 WELLS, TORSION-BALANCE SURVEY) ; ECON.COM: EARLY MINING ATTEMPT FOR SALT 1898 FAILED.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit TOP CAP ROCK 110 FT, TOP OF SALT 135 FT, MOST OF CAP ROCK IS 300 TO 500 FT DEEP. SALT BODY IS A SALT SPINE CONTAINING 1.9 CU MI SALT TO 10,000 FT DEPTH. SULFUR OCCURS IN A SADDLE-LIKE DEPRESSION ATOP DOME AT 250 FT DEPTH.
Deposit Discovery Year: 1896 (SALT), 1916 (SULFUR)
Deposit First Production Year: 1961 (SALT)

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.