Precambrian time covers the vast bulk of the earths history starting with the planets creation about 45 billion years ago and ending with the emergence of complex multicelled life forms . Abstract this chapter will summarize the historical development of geology and in particular the development of the modern uniformitarian view of the geological record and the millions of years time scale. The geological history of earth follows the major events in earths past based on the geological time scale story of life since about 13700000000 shows everything from the big bang to the formation of the earth and the development of bacteria and other organisms to the ascent of man. The geologic time scale is an essential tool for understanding the history of earth and the evolution of life in this lesson explore the principal eons eras periods and epochs that help us . Learn earth history earths geologic time scale with free interactive flashcards choose from 500 different sets of earth history earths geologic time scale flashcards on quizlet
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