The geological transformation of Earth from 520 million years ago to the present has been marked by significant changes in tectonic plate configurations, climate, and life forms. Here is a summary of key periods and events: • 520 million years ago (Early Cambrian): This period is part of the Paleozoic Era. The supercontinent Rodinia had already begun to break apart, and the formation of new oceans and continents was underway. • 420 million years ago (Silurian): By this time, the continents were

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