The Geological Eons and Eras: Major Developments,Discuss the major developments, tectonically and biologically of each geological eon and era.
The Geological Eons and Eras: Major Developments The geological eons and eras are the broadest divisions of geological time. Each eon and era marks a period of major developments in both the tectonic and biological history of the Earth (The Geological Society, 2020).The Hadean Eon marks the very beginning of Earth’s history. During this time, heavy bombardment from meteorites and comets caused the Earth’s surface […]