Warren, John National Center for Petroleum Geology and Geophysics, Adelaide, Australia.
Last reviewed:January 2020
- Evaporite minerals and brine evolution
- Modern distribution
- Ancient distribution
- Related Primary Literature
- Additional Reading
Deposits of bedded sedimentary rocks composed of salts precipitated during solar evaporation of surface or near-surface brines derived from seawater or continental waters. Dominant minerals in ancient evaporite beds are anhydrite (along with varying amounts of gypsum) and halite, which make up more than 85% of the total sedimentary evaporite salts. Many other salts make up the remaining 15% (Table 1); their varying proportions in particular beds can be diagnostic of the original source of the mother brine. See also: Anhydrite; Evaporation; Gypsum; Halite; Salt (chemistry); Seawater; Sedimentary rocks
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