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, ...

As a period of geologic time, the boundaries of the Triassic are defined on the basis of rocks and the fossil record. It was the German geologist Friedrich August von Alberti who first marked the ...

Time is fundamental to Earth science. Geochronology data are essential for determining the timing, duration, and rates of Earth processes and events, and are increasingly required to perform modern, ...

One way we can understand the effect of climate change is to look at the geological past - millions of years ago - and the fossil record, to see what happened to organisms during periods of time in ...

The geological time scale, established by scientists in ... dividing the history of life into eras, periods, and epochs based on fossil evidence. In this feature, explore the history of life ...

The trilobites were such a well-adapted species that they were able to survive several geological time periods. Those time periods include: Geological Time Period Years Of Geological Time Period ...

Oregon's Painted Hills are considered one of the “Seven Wonders of Oregon,” with unique views that can sometimes feel unreal.

Japanese researchers hope that a new geologic epoch covering the present ... although there are different views on what time period it covers, experts said. Beppu Bay, off Oita Prefecture, is ...