Why is crystal size an important component in igneous rock texture?
A) It shows if the rock formed underwater or underground.
B) It shows if the rock underwent metamorphism or lithification.
C) It shows what color the rock is.
D) It shows if the rock cooled underground or above ground.

Question

Quizplus · Accepted Answer

Crystal size is an important component in igneous rock texture because it can indicate whether the rock cooled underground (slowly, giving time for larger crystals to form) or above ground (quickly, resulting in smaller crystals or a glassy texture).

Why Is Crystal Size an Important Component in Igneous Rock