Geologic Time and the Fossil Record. Earth is 4.6 billion years old and has changed significantly over that time, mostly through processes that we have.
INTRODUCTION l Definition--Nature of Geology science that examines the Earth, its form, composition and changes that it has undergone is undergoing and.
SEDIMENTARY ROCKS There are 2 ways sedimentary rocks are formed 1. Clastic are made from sediments glued together 2. Non-clastic : not glued together---include.
Geologic Time and the Fossil Record
Sedimentary Rock
