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Week Island Mine

Producer in Iberia county in Louisiana, United States with commodity Halite
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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 10061198
MRDS ID TC34056
Record type Site
Current site name Week Island Mine
Alternate or previous names Myles

Geographic coordinates

Geographic coordinates: -91.8043, 29.81136 (WGS84)
Elevation 52

Site location context

Political divisions (FIPS codes)

Iberia(county)

Louisiana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Weeks(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 Iberia
United States Louisiana St. Mary

Public Land Survey System information

Meridian Township Range Section Fraction State
Louisiana 14S 6E; 7E Louisiana

Comments on the location information

  • INFO FROM LAND.ST :01, 30

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) -91.8043, 29.81136
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Piercement Salt Dome

Ore body information

  • Depth to top 13.11M

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Discovery year 1897
Discoverer Myles Salt Co.
Year of first production 1902

Mining district

District name Five Islands

Ownership information

  • Type Operator
    Owner Myles Salt Co , Morton Salt Co. )
    First year 1902
    Last year 1948

Workings at the site

  • Type of workings Underground
    Overall depth 152.4M
    Overall length 1371.6M
    Overall width 1219.2M

Comments on the workings information

  • ROOM AND PILLAR MINING OF SALT. OLD "MAIN" WORKINGS AT 500 FT AND 800 FT LEVELS. NEW WORKINGS AT 1200 FT LEVEL. TEMPORARY "MARKET" MINE AT 50 FT LEVEL.

Comments on development

  • DELINEATED BY DRILLING 1898 (14 WELLS) ; ECON.COM: MAIN MINE WORKED 1902-1979 THEN CONVERTED TO A STRATEGIC PETROLEUM RESERVE STORAGE FACILITY. NEW MINE AND TWO SOLUTION MINING WELLS DEVELOPED 1979-1982.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit CAPROCK IS VERY THIN AND OUTCROPS, DEPTH TO SALT 43 FT. SALT VOLUME 6.1 CU MI TO 10,560 FT.

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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