We will look at a few index fossils and see if we can figure out the order they would fall on the geologic timescale ... Then mark the end of each Era. Color the Eras based on their official color.

has had enough of an impact to create what can be considered a new geologic era. After all, scientists repeatedly remind us that our rapidly-heating planet is sending us into "uncharted territory ...

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

For 600,000 years during the tail end of the Miocene epoch, the Mediterranean was a dried-up salt plain cut off from the Atlantic Ocean. Around 5.3 million years ago, the eastern and western ...

Previously geologic eras lasted for millennia, and changes came due to "natural fluctuations in temperature on the planet or glacial ice ages and mini ice ages, or even asteroid strikes ...

There are three general approaches that allow scientists to date geological materials and answer the question: "How old is this fossil?" First, the relative age of a fossil can be determined.

The Stratigraphy and Paleontology Hall displays in chronological order a collection of fossils representing each of the geological eras beginning from the late Precambrian period in China.

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, ...