We all recognise the names of some time periods such as Jurassic or Devonian - but how many us of actually understand how geologists divide up the earth’s past? I’m sure you all remember where you ...

Are we really living in the Anthropocene, the geological time marked by the global impact of human activity? And if so, when did it begin? These are questions that the Anthropocene Working Group is ...

The Scottish geologist James Hutton made a proposal in 1788 that, at the time, was extraordinarily controversial. He described Earth as a “beautiful machine”, constantly subjected to long-term decay ...

Reston, VA – The U.S. Geological Survey (USGS) and the Association of American State Geologists (AASG) announced that they have developed an updated geologic time scale and color scheme for use in ...

This report provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report ...

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 ...

Today, few discussions in geology can occur without reference to geologic time and plate tectonics. They are both integral to our way of thinking about the world. Holmes died in 1964 having lived just ...