Question

Identify the true statement. Choose one:

A. Biochemical sedimentary rocks are crystalline in texture.
B. Flint, jasper, agate, and petrified wood are all varieties of the siliceous rock travertine.
C. Gypsum and halite are evaporite minerals.
D. Chert has only a biochemical origin.

Answer 1

Answer: C. Gypsum and halite are evaporite minerals.

Step-by-step explanation:

Evaporite minerals are mineral that can dissolve in water formed from sediment concentration and crystallization by evaporation from an aqueous solution.

Example of Minerals in evaporite rocks include carbonates (which includes: calcite, dolomite, magnesite, and aragonite), sulfates (which includes anhydrite and gypsum), and chlorides (such as halite and sylvite), and also various borates, silicates, nitrates, and sulfocarbonates.