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Geologic timeTime as considered in terms of the history of the earth. It is divided into geologic eras, periods, and epochs. Depending on the part of the geologic time scale, increments are as long as tens of mill [..]
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Geologic timeThe total time involved since formation of the earth to the present time.
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Geologic timeThe time span that covers the long history of the Earth.
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Geologic timeThe immense period of time that encompasses the natural history of the Earth, is measured in thousands to billions of years, and is divided into eons, eras, periods, and epochs.
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Geologic timeSpan of time since the formation of the oldest earth’s rocks, and that can be studied through the analysis of the geologic record. It is represented by a succession of rocky layers and divided into in [..]
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Geologic timeA span of millions or billions of years in the past.
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