Geologists have divided Earth's history into a series of time intervals. This Geological Time Scale is segmented into five subgroups which are Eons, Eras, Periods, Epochs and Ages. To know more geological facts, visit https://www.gsi.gov.in #UncoveringIndia #GSI #GTS #Earth | Geological Survey of India

Earth’s history includes five major mass extinctions, with up to 95% of species lost in events driven by impacts, volcanic eruptions, or potentially solar outbursts. The terminal Pleistocene extinction, though not part of the “Great Five,” saw the disappearance of North America’s megafauna, focusing on top predators and large mammals. | The Randall Carlson