+A Geologic Period is a fundamental division within the [Geologic Time Scale](/wiki/geologic_time_scale), representing a vast span of Earth's history. These intervals, often tens of millions of years long, are defined by significant changes in geology, climate, and the evolution of [Life](/wiki/life) on Earth. Each period is a chapter in our planet's deep past.
+## See also
+- [Eon](/wiki/eon)
+- [Era](/wiki/era)
+- [Epoch](/wiki/epoch)
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