Igneous rock is formed by high heat. It is molten rock that has hardened. A well known igneous rock is obsidian, the stuff of arrowheads. Another igneous rock is granite, common in areas like Yosemite.
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC