The geological period consists of time periods in the origin and evolution of earth the earth is about 45 billion years old the time from the origin of the earth to the present is divided into super eons eons eras and periods the precambrian period is a super eon that is sub divided into three eons. Learn test earth science earths history geologic time with free interactive flashcards choose from 500 different sets of test earth science earths history geologic time flashcards on quizlet. A brief history of geologic time duration 1208 the 5 most dangerous prehistoric oceans duration 633 the geological history of earth duration . Another important development at this time was the establishment of the geological society of london in 1807 it was the worlds first scientific society devoted solely to geology the thirteen founding members were wealthy cultured gentlemen who began with little geological knowledge but quickly learned. We explain how earth formed where the moon came from how the atmosphere changed over time where the water in the oceans originated what the first life and fossils looked like when more
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