Evaporites Flashcards
1
Q
formed through precipitating from solutions as ions within those become more concentrated as water evaporates.
A
Evaporites
2
Q
First mineral to precipitate
A
Calcite
3
Q
Water precipitate in anhydrite by —%
A
19%
4
Q
Most commonly encountered evaporite minerals in sedimentary rocks that are composed of calcium sulphate.
A
Gypsum and anhydrite
5
Q
Gypsum chemical formula
A
(CaSO4 - 2H2O)
6
Q
Anhydrite chemical formula
A
CaSO4
7
Q
Precipitates as thick crystalline beds
A
Halite
8
Q
Halite if formed when the water is evaporated by —%
A
9.5%
