SpaceNews

USGS and AASG Unveil A Geologic Time Scale and Color Scheme for Use in Creating Geologic Maps

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 ...
PBS

Our new geological epoch is defined by human activity. This Canadian lake maps its start

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 ...
insider.si.edu

A geologic time scale 2004 / edited by Felix M. Gradstein, James G. Ogg, and Alan G. Smith

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

The geologic time scale 2012 / editors, Felix M. Gradstein ... [et al.] ; [contributors, F. M. Gradstein ... [et al.]]

NH copy Purchased from the Cullman Endowment. V. 1. The chronostratigraphic scale / F.M. Gradstein and J.G. Ogg -- Biochronology / F.M. Gradstein -- Cyclostratigraphy and astrochronology / L.A. Hinnov ...
The New York Times

Geologists Make It Official: We’re Not in an ‘Anthropocene’ Epoch

The field’s governing body ratified a vote by scientists on the contentious issue, ending a long effort to update the timeline of Earth’s history. By Raymond Zhong The highest governing body in ...