地質時代と地球の太古の歴史のスパイラル図解

A stunning spiral of Geologic time on earth. The beginning shows the formation of the earth 4.6 billion years ago and progresses through the different eons and ages of Geologic time, showing the rock formations and life forms from the first life on earth to the present. The geologic time illustration is done in a detailed and scientific style with color and techniques showing the immense scale of time on earth.