Anhydrite
Revision as of 15:48, 11 March 2014 by FWhitehurst (talk | contribs) (Created page with "Anhydrite is the anhydrous form of gypsum, CaSO<sub>4</sub>, to which it readily transforms with the introduction of water. Gypsum is transform to anhydrite at depth becau...")
Anhydrite is the anhydrous form of gypsum, CaSO4, to which it readily transforms with the introduction of water. Gypsum is transform to anhydrite at depth because of the increase in temperature. Anhydrite beds are often seals for traps.