About this document
Understanding Geologic Time and Extinctions by Eddyleen Luzada is a document available to read on EtoBox.
The document discusses methods for determining the relative and absolute ages of rocks and geologic events. It describes several mass extinction events in history, including 245 million and 65 million years ago, that may have been caused by meteorite impacts or volcanic activity. It introduces principles of relative dating like superposition and crosscutting relationships. Absolute dating uses radioactive isotopes and their decay, noting properties like half-life, to measure ages in years rather than just r
- Author
- Eddyleen Luzada
- Language
- EN