Semester 1 Final: Chapters 5, And Models Of Solar System
Past is the key to the present 1) The geologic processes now at work were also active in the past 2) The present physical features of Earth were formed by these same processes, at work over long periods of time.
Geologists who came up with the concept of uniformitarianism
General definition of a rock
a group of minerals bound together in some way
formed by the cooling and hardening of hot molten rock from inside Earth
Hot molten rock from inside Earth
formed by hardening and cementing layers of sediments