Geologic Time is a crucial concept to understanding the history of the earth—including the evolution of life ... We will provide a list of web sites with relevant information. The geologic time scale ...

The geologic time scale provides the official framework for our understanding of Earth’s 4.5 billion-year history. Geologists break down our planet’s history into eons, eras, periods ...

Imagine compressing the entire 4.5-billion-year history of Earth into just 10 minutes. In this fast-paced, visually stunning journey, we take you from Earth’s fiery formation to the rise of modern ...

Climate, tectonics and time combine to create powerful forces that craft the face of our planet. Add the gradual sculpting of the Earth's surface ... But our geological models have only provided ...

As far as the geological community is concerned, the Earth has not entered a new phase ... Epoch as a formal unit of the Geologic Time Scale is approved." The vote in question, the results of ...

For the last seven decades, Earth has been operating in unprecedented ... "While it may not have been formally accepted onto the geological time scale, the Anthropocene is real and its effects ...

The Earth is no ... This huge geological event resulted in a massive change in the age of rocks, as older layers were eroded and replaced by younger sediment. The scale of this erosion is whooping ...

A Timescale is a scale used to represent periods of time ... An Index fossil is any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic ...