The two primary types of carbonate sedimentary rocks are ___ and dolostone.
A) dolomite
B) gypsum
C) coal
D) limestone
E) sandstone

Question

Quizplus · Accepted Answer

The two primary types of carbonate sedimentary rocks are limestone and dolostone. Limestone is composed mostly of the mineral calcite, while dolostone is composed mostly of the mineral dolomite. Gypsum is a sedimentary rock composed of the mineral gypsum, coal is a sedimentary rock composed of organic plant material, and sandstone is a sedimentary rock composed of sand-sized grains of mineral, rock, or organic material. Therefore, choices A, B, C, and E are not correct.

The Two Primary Types of Carbonate Sedimentary Rocks Are ___