Cote Blanche Island Mine

Producer in St. Mary county in Louisiana, United States with commodity Halite
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. 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. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10061190
MRDS ID TC34048
Record type Site
Current site name Cote Blanche Island Mine

Geographic coordinates

Geographic coordinates: -91.70235, 29.75358 (WGS84)
Relative position 12 MI SW OF FRANKLIN

Site location context

Political divisions (FIPS codes)

St. Mary(county)

Louisiana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kemper(quadrangle 1:24,000 scale)

Morgan City(quadrangle 1:100,000 scale)

New Orleans(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Vermilion(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 15S 7E Louisiana

Comments on the location information

  • INFO FROM LAND.ST :01, 33

Commodities

Commodity Importance
Halite Primary

Materials information

Materials Type of material
Halite Ore

Mineral occurrence model information

Model code 252
USGS model code 35a.4 (35ad)
Deposit model name Salt domes: diapiric salt structures

Host and associated rocks

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

Nearby scientific data

(1) -91.70235, 29.75358

Economic information

Geologic structures

Type of structure Local
Structure description Piercement Salt Dome

Ore body information

  • Depth to top 90.83M

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Discovery year 1921
Discoverer Southern Salt Syndicate
Year of first production 1961

Mining district

District name Five Islands

Ownership information

  • Type Operator
    Owner Domtar Chemicals Inc. (Shifto Salt Div.)
  • Type Owner
    Owner Southern Salt Syndicate, State Of Louisiana

Workings at the site

  • Type of workings Underground
    Overall depth 396.24M
    Overall length 1219.2M
    Overall width 914.4M

Comments on the workings information

  • ROOM AND PILLAR MINING OF SALT AT 1300 FT LEVEL

Comments on development

  • DOME DISCOVERED BY SEISMIC, GRAVITY, SURFACE EXPRESSION AND DRILLING

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPTH TO CAPROCK 257 FT, TO SALT 298 FT. SALT VOLUME 6.8 CU MI TO 10,560 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.