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, ...

Geology is an applied science that focuses on ... "So the Earth has gone through a number of phases or eras to get to its present state, and we cannot run an experiment in a laboratory that ...

Anyway, it’s an area that’s fascinating for geologists because rocks from three different eras, millions of years ... reinforce their knowledge of the geology and then come up with their ...