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There is a page named "Gypsum" on this wiki. See also the other search results found.

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• Gypsum
  Gypsum is an [[evaporite]], CaSO₄•2(H₂O). When dewatered [[File:GypsumWhitehurst.jpg|center|framed|Selenite, a variety of gypsum. This bladed form with an hourglass-shaped inclusion is only found at Gre
  583 bytes (83 words) - 21:19, 9 December 2014

Page text matches

• Anhydrite
  ...>4</sub>, to which it readily transforms with the introduction of water. [[Gypsum]] is transformed to anhydrite at depth because of the increase in temperatu
  387 bytes (52 words) - 13:34, 26 March 2015
• Gypsum
  Gypsum is an [[evaporite]], CaSO₄•2(H₂O). When dewatered [[File:GypsumWhitehurst.jpg|center|framed|Selenite, a variety of gypsum. This bladed form with an hourglass-shaped inclusion is only found at Gre
  583 bytes (83 words) - 21:19, 9 December 2014
• Evaporite
  ...evaporite minerals associated with petroleum exploration are [[halite]], [[gypsum]], and [[anhydrite]]. Gypsum_formation_of_Capo_Bianco.jpg|Gypsum formation of Capo Bianco, at the mouth of the river Platani, Sicily. Courte
  1 KB (143 words) - 18:48, 3 March 2016
• San Juan basin
  ...[[coal]], [[uranium]], [[sand]], [[gravel]], [[limestone]], [[humate]], [[gypsum]], road metal, building stone, water, and paleoplacer concentrations of hea
  3 KB (411 words) - 15:01, 11 January 2016
• Quartz
  ...z, but barite has slightly higher relief and gypsum has lower relief; both gypsum and barite have strong cleavage.
  8 KB (1,127 words) - 20:21, 23 January 2019
• Intact membrane seal leakage
  [[Claystone]]s, [[Halite|salt]], and sulfates ([[gypsum]] and [[anhydrite]]) make seals of this sort because they are ductile under
  3 KB (475 words) - 17:08, 1 February 2022
• Carbonate diagenesis
  ...prises.com/Edu_Evap_Coastal_Sabkha.html sabkhas]) are present from which [[gypsum]] and [[halite]] are deposited. [[Sand dune|Eolian sand dunes]] composed of ...nd with carbonate rocks is [[anhydrite]] and its hydrous form, [[gypsum]]. Gypsum is the common form at shallow depths, but it converts to anhydrite at depth
  23 KB (3,026 words) - 20:48, 19 January 2022
• Fracture trap regime
  ...ially or totally mineralized by postfracture cements, typically calcite, [[gypsum]], or silica.
  7 KB (895 words) - 16:04, 13 April 2022
• Quick-look lithology from logs
  ====Anhydrite and gypsum==== Anhydrite and [[gypsum]] frequently remain in gauge if pure, but shaly intervals may be washed out
  25 KB (3,637 words) - 19:39, 18 January 2022
• Mudlogging: drill cuttings analysis
  ...an mask the true drilled lithology, (2) loss of soluble minerals such as [[gypsum]] and salt and some shales, and (3) a high percentage of contamination by c
  10 KB (1,482 words) - 15:25, 24 January 2022
• Depositional environments
  ...evaporation of damp surface causes precipitation of carbonate minerals: [[gypsum]] or [[anhydrite]]. This sediments may be characterized by desiccation crac ...t present. The evaporite deposits contain many evaporite minerals, such as gypsum, anhydrite, [[halite]], and sylvite. The pH of lake is about 6 to 9, but it
  26 KB (3,851 words) - 20:38, 28 February 2019
• Drilling fluid
  ...in the water phase. The calcium concentration can be maintained by using [[gypsum]] (CaSO₄) or lime [Ca(OH)₂]. These muds are more inhi
  13 KB (1,866 words) - 21:17, 19 January 2022
• Log analysis: lithology
  ...typically for binary mixtures of sandstone, limestone, or dolomite with [[gypsum]], trona, salt, or sylvite. This plot is not particularly useful in fractur | [[Gypsum]] || CaSO₄ (H₂ O)₂ || 2.35 || 50 + || 60 +
  25 KB (3,189 words) - 17:24, 18 January 2022
• Production problems
  The most common types of scale are calcium carbonate and calcium sulfate ([[gypsum]]). Sodium chloride (salt), sulfur, and other minerals can also be precipit
  16 KB (2,540 words) - 18:41, 20 January 2022
• Kerogen
  ...: illite > Ca-bentonite > kaolinite > Na-bentonite > calcium carbonate > [[gypsum]].<ref name=Esptl1980 /> Variations in the mineral matrix effect related to
  17 KB (2,363 words) - 17:40, 9 February 2022
• Reservoir quality
  | [[Gypsum]] || Blocky, bladed, prismatic
  18 KB (2,514 words) - 17:47, 21 January 2022
• Porosity
  ...alts formed from the evaporation of saline pore waters. Rocks containing [[gypsum]] and smectite require special low temperature cleaning techniques to minim
  24 KB (3,450 words) - 19:09, 20 January 2022
• Sandstone sedimentology and stratigraphy
  ...at act as cements include: hematite, limonite, feldspars, [[anhydrite]], [[gypsum]], barite, clay minerals, and zeolite . Silica cement can consist of either
  27 KB (3,802 words) - 19:32, 9 January 2024
• Diagenetically complex reservoir evaluation
  ...carbonate reservoirs, the diagenetic components most often observed are [[gypsum]]/anhydrite cementation, [[dolomite]] replacement, secondary porosity gener
  31 KB (4,171 words) - 18:22, 21 January 2022
• Medical geology
  ...tion in the manufacture of plaster of Paris. It is produced by calcining [[gypsum]] to produce a strong material used in holding [[fracture]]d anatomical str ...is is made by calcining gypsum (CaSO4.2H2O). This process involves heating gypsum to very high temperatures to form calcium sulphate. The calcium sulphate so
  83 KB (12,860 words) - 14:03, 10 April 2019

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