Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites, or other enigmatic animals unlike anything in our modern world. Labels like ...

Reserachers tackle the hot topic of whether to define a new 'Anthropocene' epoch as a formal unit of the geologic time scale. In the March-April issue of GSA Today, Stanley Finney (California State ...

The Geologic Time Scale 2012, or GTS2012, is the latest understanding of Earth's history, and the means by which geoscientists around the world investigate the rock record. A Boise State University ...

During this time, collection visits will be available by appointment and other special access requests will be considered on a case-by-case basis. Please email cumuseum@colorado.edu for more ...

For almost 30 years, we geologists have been having a debate about what Geologic Epoch we find ourselves in right now. It is presently called the Holocene, but some want to add another epoch and call ...

Introduction / F.M. Gradstein -- Chronostratigraphy : linking time and rock / F.M. Gradstein, J.G. Ogg and A.G. Smith -- Biostratigraphy : time scales from graphic ...

Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history. A lot has happened in that time. Earth formed and oxygen levels rose in the foundational years of the ...

Geologic time scales are long – too long for the human mind to really comprehend. Over millions, and tens of millions, and hundreds of millions of years, the Earth has changed from something ...