What is the classification of igneous rocks based on?
All rocks can be classified as either igneous, sedimentary, or metamorphic, depending on how they were formed. Igneous rocks are those that cooled directly from lava or magma.
Answer and Explanation:
Igneous rocks are classified according to two criteria: composition and texture.
Let's break that down. When talking about the composition of igneous...
See full answer below.
Become a member and unlock all Study Answers
Try it risk-free for 30 daysTry it risk-free
Ask a question
Our experts can answer your tough homework and study questions.Ask a question Ask a question
Learn more about this topic:
from Earth Science 101: Earth ScienceChapter 7 / Lesson 4