Igneous rocks are classified on the basis of what two main characteristics?
A) texture and mineral composition
B) composition and temperature
C) temperature and acidity
D) gas content and acidity

Question

Quizplus · Accepted Answer

Igneous rocks are classified based on their texture, which describes the size and arrangement of their mineral grains, as well as their mineral composition, which refers to the types of minerals present in the rock. Temperature, acidity, and gas content can all influence the formation and characteristics of igneous rocks, but they are not used as primary classification criteria.

Igneous Rocks Are Classified on the Basis of What Two