About this document
Understanding Geologic Eras and Timeframes by Yasir Butt is a document available to read on EtoBox.
1) Geologic time is divided into eons, eras, and periods. The current Phanerozoic eon is divided into the Paleozoic, Mesozoic, and Cenozoic eras. 2) Major events that occurred over geologic time include the formation of the Earth 4.5 billion years ago, the formation of the moon, and the emergence of life. Continents have formed and broken apart over time. 3) The Precambrian includes around 90% of geologic time, from Earth
- Author
- Yasir Butt
- Language
- EN