| 21. | The classic Murray 1966 paper describes the generalized sequence as sediments-calcite-gypsum-anhydrite-salt.
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| 22. | Shales, anhydrite, halite and reefal limestones of the uppermost middle Miocene Belayim lie unconformably on the Kareem.
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| 23. | On heating above 250 �C, the completely anhydrous form called ?-anhydrite or dead burned plaster is formed.
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| 24. | This is a transformation of the mineral anhydrite ( anhydrous calcium sulphate ) into gypsum ( hydrous calcium sulphate ).
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| 25. | The overlying Lower Anhydrite Member consists of microcrystalline anhydrite with minor beds of fine-to medium-crystalline dolostone.
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| 26. | The overlying Lower Anhydrite Member consists of microcrystalline anhydrite with minor beds of fine-to medium-crystalline dolostone.
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| 27. | In 1980 the Lower Saxon State Office of Soil Science drilled 145 metres into the karst cavities below the anhydrite.
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| 28. | The tunnel runs in layers of Gipskeuper rock, containing anhydrite, which swell strongly when in contact with water.
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| 29. | The top of the salt mass is about below the surface and above it are limestone, gypsum, and anhydrite.
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| 30. | On heating above 250 �C, the completely anhydrous form called ?-anhydrite or " natural " anhydrite is formed.
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