Hayat Ashraf

The geological time scale is a framework used by geologists and paleontologists to divide Earth's history into different time intervals based on major geological and biological events. It provides a chronological sequence of Earth's past, enabling scientists to understand the timing and relationships between various geological and biological phenomena. Here is an overview of the geological time scale: 1. Eons: The largest divisions of time in the geological time scale are eons. Currently, there are four recognized eons:    - Hadean Eon: This eon represents the earliest phase of Earth's history, from the formation of the Earth (approximately 4.6 billion years ago) to about 4 billion years ago.    - Archean Eon: The Archean Eon spans from about 4 billion to 2.5 billion years ago and is characterized by the emergence of the first continents, the development of Earth's atmosphere and oceans, and the earliest evidence of life.    - Proterozoic Eon: The Proterozo...