geologic time scale


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geologic time scale

[¦jē·ə¦läj·ik ′tīm ‚skāl]
(geology)
The relative age of various geologic periods and the absolute time intervals.
References in periodicals archive ?
GEOLOGIC TIME SCALE MILLIONS OF YEARS AGO ERA PERIOD Cenozoic Quaternary UP TO Tertiary DATE: You live during this period.
The Geologic Time Scale 2012 is the framework for deciphering the history of our planet Earth.
1983, Geologic Time Scale, Decade of North American Geology (DNAG).
Five appendixes contain the periodic table of elements, the geologic time scale, classification of species, solar system data, and evolution of life and the atmosphere.
A chapter also reviews the geologic time scales of the Moon and nearby planets.
Their research focused on the system of plates that float on Earth's fluid-like mantle, which acts as a convection system on geologic time scales, carrying them and the continents that rest upon them.
If confirmed, the findings would be the first evidence of metabolism remaining active over geologic time scales.