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Choctaw Salt Dome (Bayou Choctaw Salt Dome), Plaquemine, Iberville Parish, Louisiana, USAi
Regional Level Types
Choctaw Salt Dome (Bayou Choctaw Salt Dome)Dome
Plaquemine- not defined -
Iberville ParishParish
LouisianaState
USACountry

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Key
Latitude & Longitude (WGS84):
30° 18' 56'' North , 91° 18' 8'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Addis4,589 (2017)5.5km
Plaquemine6,871 (2017)7.2km
Crescent959 (2011)7.7km
Brusly2,785 (2017)9.9km
Gardere10,580 (2011)15.9km


A former salt (halite) occurrence/mine located in T9S, R12E, LM, and now a strategic petroleum reserve storage facility, located 7.2 km (4.5 miles) WNW of Plaquemine, on the N end of Bayou Choctaw (swamp), on private land. Owned and operated by the Union Texas Petroleum Company, Texas (1975).

The Bayou Choctaw salt diapir appears as a relatively slender, vertical feature, which gives the impression of having moved more or less straight upward. The layered sediments outside the dome are much more steeply inclined at depth than they are at shallower elevations. This style of deformation is consistent with continuing uplift of the salt — or progressive sedimentary downbuilding — during deposition of the surrounding sediments. Emplacement of the Bayou Choctaw salt dome clearly took place over a long period of time.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


17 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Anhydrite
Formula: CaSO4
Reference: Hurlbut, C. S., Taylor, R. E. (1937): Hilgardite, a new mineral species from Choctaw Salt Dome, Louisiana. American Mineralogist. 22, 1052-1057; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: R&M 45:5 pp 299-303
Boracite
Formula: Mg3(B7O13)Cl
Reference: Hurlbut, C. S., Taylor, R. E. (1937): Hilgardite, a new mineral species from Choctaw Salt Dome, Louisiana. American Mineralogist. 22, 1052-1057.; American Mineralogist 23:898
Calcite
Formula: CaCO3
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 383; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
Danburite
Formula: CaB2Si2O8
Reference: Hurlbut, C. S., Taylor, R. E. (1937): Hilgardite, a new mineral species from Choctaw Salt Dome, Louisiana. American Mineralogist. 22, 1052-1057; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
Dolomite
Formula: CaMg(CO3)2
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 383; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
Goethite
Formula: α-Fe3+O(OH)
Reference: R&M 69:3 pp 156-162
Gypsum
Formula: CaSO4 · 2H2O
Reference: R&M 69:3 pp 156-162; American Mineralogist 23:898
Halite
Formula: NaCl
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 380.
Hauerite
Formula: MnS2
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 383; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
Hematite
Formula: Fe2O3
Reference: R&M 69:3 pp 156-162; American Mineralogist 23:898
Hilgardite (TL)
Formula: Ca2B5O9Cl · H2O
Type Locality:
Reference: Hurlbut, C. S., Taylor, R. E. (1937): Hilgardite, a new mineral species from Choctaw Salt Dome, Louisiana. American Mineralogist. 22, 1052-1057; American Mineralogist 23:898
'Hilgardite-3Tc'
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 383, 384; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
'Hilgardite-4M'
Reference: Ghose, S. & Wan, C. (1979): Hilgardite, Ca2[B5O9]Cl*H2O: a piezoelectric zeolite-type pentaborate. American Mineralogist. 64, 187-195; Ghose, S.(1985): A new nomenclature for the borate minerals in the hilgardite (Ca2B5O9Cl*H2O)-tyretskite (Ca2B5O9OH * H2O) group. American Mineralogist. 70: 636-637.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: American Mineralogist 23:898
Magnesite
Formula: MgCO3
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 380, 383; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
Marcasite
Formula: FeS2
Reference: American Mineralogist 23:898
Pyrite
Formula: FeS2
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 383; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
Quartz
Formula: SiO2
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 383; Rocks & Minerals: 69(3): 156-162.; American Mineralogist 23:898
Sulphur
Formula: S8
Reference: R&M 69:3 pp 156-162; American Mineralogist 23:898

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Hauerite2.EB.05aMnS2
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Halite3.AA.20NaCl
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Magnesite5.AB.05MgCO3
Group 6 - Borates
Boracite6.GA.05Mg3(B7O13)Cl
Hilgardite (TL)6.ED.05Ca2B5O9Cl · H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Danburite9.FA.65CaB2Si2O8
Unclassified Minerals, Rocks, etc.
'Hilgardite-3Tc'-
'Hilgardite-4M'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Hauerite2.12.1.9MnS2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 25 - ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
Hexaborates
Boracite25.6.1.1Mg3(B7O13)Cl
Group 26 - HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
Pentaborates
Hilgardite (TL)26.5.14.1Ca2B5O9Cl · H2O
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with[Si2O7] with borate groups
Danburite56.3.1.1CaB2Si2O8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Hilgardite-3Tc'-
'Hilgardite-4M'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H HilgarditeCa2B5O9Cl · H2O
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H Limonite(Fe,O,OH,H2O)
BBoron
B HilgarditeCa2B5O9Cl · H2O
B BoraciteMg3(B7O13)Cl
B DanburiteCaB2Si2O8
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MagnesiteMgCO3
C AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
O HilgarditeCa2B5O9Cl · H2O
O BoraciteMg3(B7O13)Cl
O AnhydriteCaSO4
O CalciteCaCO3
O DanburiteCaB2Si2O8
O DolomiteCaMg(CO3)2
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O MagnesiteMgCO3
O QuartzSiO2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O Limonite(Fe,O,OH,H2O)
NaSodium
Na HaliteNaCl
MgMagnesium
Mg BoraciteMg3(B7O13)Cl
Mg DolomiteCaMg(CO3)2
Mg MagnesiteMgCO3
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
SiSilicon
Si DanburiteCaB2Si2O8
Si QuartzSiO2
SSulfur
S AnhydriteCaSO4
S GypsumCaSO4 · 2H2O
S HaueriteMnS2
S PyriteFeS2
S SulphurS8
S MarcasiteFeS2
ClChlorine
Cl HilgarditeCa2B5O9Cl · H2O
Cl BoraciteMg3(B7O13)Cl
Cl HaliteNaCl
CaCalcium
Ca HilgarditeCa2B5O9Cl · H2O
Ca AnhydriteCaSO4
Ca CalciteCaCO3
Ca DanburiteCaB2Si2O8
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
MnManganese
Mn HaueriteMnS2
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe PyriteFeS2
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Limonite(Fe,O,OH,H2O)
Fe MarcasiteFeS2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hurlbut, C. S., Taylor, R. E. (1937): Hilgardite, a new mineral species from Choctaw Salt Dome, Louisiana. American Mineralogist. 22, 1052-1057
Taylor (1937) Bulletin of the American Association of Petroleum Geologists: 21: 1268.
American Mineralogist (1938): 23: 898.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 380, 383, 384.
Rocks & Minerals (1970): 45(5): 299-303.
Jirik, Charles J. & Weaver, Louis K (1975), A Survey of Salt Deposits & Salt Caverns Their Relevance to the Strategic Petroleum Reserve, FEA/S-76/310 1975.
Ghose, S. & Wan, C. (1979): Hilgardite, Ca2[B5O9]Cl*H2O: a piezoelectric zeolite-type pentaborate. American Mineralogist. 64, 187-195.
Ghose, S.(1985): A new nomenclature for the borate minerals in the hilgardite (Ca2B5O9Cl*H2O)-tyretskite (Ca2B5O9OH * H2O) group. American Mineralogist: 70: 636-637.
Rocks & Minerals (1994): 69(3): 156-162.
U.S. Bureau of Mines (1995), Minerals Availability System (MAS) file ID #0220470001.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10242574.
Rautman, Christopher A., Karl M. Looff, and Kurt M. Looff (2009), A Three-Dimensional Geometric Model of the Bayou Choctaw Salt Dome, Southern Louisiana, Using 3-D Seismic Data, SAND2009-1037, Sandia National Laboratories, Albuquerque, New Mexico.

USGS MRDS Record:10242574

External Links


Other Regions, Features and Areas containg this locality

North America PlateTectonic Plate

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