The basic classification of rock types is based on their ________.
A) crystal structure
B) color
C) origin
D) petrology
E) pH

Question

Quizplus · Accepted Answer

The basic classification of rock types is based on their origin, whether they are igneous, sedimentary, or metamorphic in origin. Crystal structure, color, petrology, and pH may also be used as additional criteria in classifying rocks, but their origin is the primary determinant.

The Basic Classification of Rock Types Is Based on Their