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[[File:Louann Salt stratigraphic column for Texas.png|thumb|300px|Louann Salt [[stratigraphic column]] for Texas]] |
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The '''Louann Salt''' is a widespread [[evaporite]] formation that formed in the [[Gulf of Mexico]] during the [[Jurassic]] |
The '''Louann Salt''' is a widespread [[evaporite]] formation that formed in the [[Gulf of Mexico]] during the [[Callovian]] in the mid [[Jurassic]].<ref name="Salvador_87">{{cite journal|title=Late Triassic‐Jurassic Paleogeography and Origin of Gulf of Mexico Basin |first=Amos |last=Salvador |year=1987 |journal=[[AAPG Bulletin]] |volume=71 |number=4 |pages=419‐451 |url=http://doi.aapg.org/data/bulletns/1986-87/images/pg/00710004/0400/04190.pdf |accessdate=2011-03-09 }}{{dead link|date=May 2017 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> The Louann formed in a [[rift]] as the [[South American Plate|South American]] and [[North American Plate]]s separated, from an embayment of the [[Pacific Ocean]].<ref name="Salvador_87"/> The Louann underlies much of the northern [[Gulf Coast of the United States|Gulf Coast]] from [[Texas]] to the [[Florida panhandle]] and extends beneath large areas of the [[Gulf Coastal Plain]] of [[Mississippi]], [[Louisiana]] and Texas.<ref name=Hyne>Hyne, Norman J., ''Nontechnical guide to petroleum geology, exploration, drilling, and production,'' Pennwell Books, 2nd ed. p. 193 {{ISBN|978-0-87814-823-3}} </ref> |
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The Campeche Salt is the contemporaneous salt layer that developed on the south margin of the |
The Campeche Salt or Isthmian Salt is the contemporaneous salt layer that developed on the south margin of the rift. It extends from [[Campeche]], Mexico, north along the west margin of the [[Campeche Bank]] north of the [[Yucatan Peninsula]].<ref>http://oceanexplorer.noaa.gov/explorations/02mexico/background/brinepool/media/gulf_salt.html Ocean Explorer</ref> The [[Orca Basin]] is a distinctive [[brine pool]] on the Louisiana [[continental shelf]].<ref>{{cite journal |last1=Pilcher |first1=Robin S. |last2=Blumstein |first2=Raleigh D. |year=2007 |doi=10.1306/12180606049 |title=Brine volume and salt dissolution rates in Orca Basin, northeast Gulf of Mexico |journal=AAPG Bulletin |volume=91 |number=6 |pages=823–833}}</ref> One of the many [[salt dome]]s derived from the Louann was the site of the [[Spindletop]] oil strike near [[Beaumont, Texas]], in 1901.<ref name="Hyne" /> |
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The [[Orca Basin]] is a distinctive [[brine pool]] on the Louisiana [[continental shelf]].<ref>Pilcher, R.S. and Blumstein, R.D. 2007. Brine volume and salt dissolution rates in Orca Basin, northeast Gulf of Mexico. AAPG Bulletin; 91; no. 6; p. 823–833 http://aapgbull.geoscienceworld.org/cgi/content/abstract/91/6/823 Abstract </ref> |
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One of the many [[salt dome]]s derived from the Louann was the site of the [[Spindletop]] [[Petroleum|oil]] strike near [[Beaumont, Texas]] in 1901.<ref name=Hyne/> |
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==References== |
==References== |
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{{Reflist}} |
{{Reflist}} |
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[[Category:Petroleum]] |
[[Category:Petroleum geology]] |
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[[Category:Stratigraphy]] |
[[Category:Stratigraphy of North America]] |
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[[Category:Geology of Mexico]] |
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{{US-geologic-formation-stub}} |
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{{Mexico-geologic-formation-stub}} |
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{{Caribbean-geologic-formation-stub}} |
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Latest revision as of 17:05, 5 March 2024
The Louann Salt is a widespread evaporite formation that formed in the Gulf of Mexico during the Callovian in the mid Jurassic.[1] The Louann formed in a rift as the South American and North American Plates separated, from an embayment of the Pacific Ocean.[1] The Louann underlies much of the northern Gulf Coast from Texas to the Florida panhandle and extends beneath large areas of the Gulf Coastal Plain of Mississippi, Louisiana and Texas.[2]
The Campeche Salt or Isthmian Salt is the contemporaneous salt layer that developed on the south margin of the rift. It extends from Campeche, Mexico, north along the west margin of the Campeche Bank north of the Yucatan Peninsula.[3] The Orca Basin is a distinctive brine pool on the Louisiana continental shelf.[4] One of the many salt domes derived from the Louann was the site of the Spindletop oil strike near Beaumont, Texas, in 1901.[2]
References
[edit]- ^ a b Salvador, Amos (1987). "Late Triassic‐Jurassic Paleogeography and Origin of Gulf of Mexico Basin" (PDF). AAPG Bulletin. 71 (4): 419‐451. Retrieved 2011-03-09.[permanent dead link]
- ^ a b Hyne, Norman J., Nontechnical guide to petroleum geology, exploration, drilling, and production, Pennwell Books, 2nd ed. p. 193 ISBN 978-0-87814-823-3
- ^ http://oceanexplorer.noaa.gov/explorations/02mexico/background/brinepool/media/gulf_salt.html Ocean Explorer
- ^ Pilcher, Robin S.; Blumstein, Raleigh D. (2007). "Brine volume and salt dissolution rates in Orca Basin, northeast Gulf of Mexico". AAPG Bulletin. 91 (6): 823–833. doi:10.1306/12180606049.
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