We will provide a list of web sites with relevant information. The geologic time scale is divided into eons, eras, periods, epochs, and ages. Our activities, and the time scale for download above, ...

Diagram seismograph, vibration amplitude illustration Geologic time scale Life evolution in the geologic time scale - eons, eras, epochs. From Precambrian to Holocene, animal evolution, discover ...

Nearly all branches of natural science have contributed to understanding of the main events of Earth's past, characterized by constant geological change and biological evolution. The geological time ...

This project is a simple web-based geological time scale calculator. It allows users to convert between geological eras and numerical values (years in millions). The calculator is implemented using ...

Geologic timeline scale vector illustration. Labeled earth history scheme with epoch, era, period, EON and mass extinctions diagram. Educational inforgraphic with examples, explanation and description ...