High Country News

See the West’s rich geologic past

This illustrated geologic timescale of Earth focuses on the landscapes, flora and fauna of the West, drilling into the region’s deep history.
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 ...
Salon

Have humans triggered a new geologic era? Geologists disagree if the Anthropocene exists or not

Earth's 4.5 billion year geological history is full of death and rebirth, mass extinctions and explosions of biodiversity, with different periods often marked by cataclysmic changes that radically ...
The New York Times

The Human Age Has a New Symbol. It’s a Record of Bomb Tests and Fossil Fuels.

A scientific panel has picked Crawford Lake, Ontario, to represent the Anthropocene, a proposed, and hotly contested, new chapter in geologic time. By Raymond Zhong For almost 15 years, a panel of ...
Inverse

This Small Canadian Lake Could Signal The Beginning of a New Geological Epoch

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 – ...
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 ...