The next step to improve the Geological Time Scale is to provide an astronomical calibration of the Paleogene period that covers the past 23-65.5 Myr. This will require both an extension of ...

The Geological Time Scale is a system of chronological measurement that relates stratigraphy to time and use by geologists, palaeontologists and other Earth Scientists to describe the timing and ...

Biologists have their principles of evolution, physicists have their laws of thermodynamics and chemists have their periodic table. For geologists, perhaps the most hallowed reference source is the ...

Nature, 184, 1310 (Oct. 24, 1959). Kulp, J. L., Program 1959 Annual Meeting, Geol. Soc. America (Nov. 2, 1959). Holmes, A. (personal communication, Oct. 6, 1959 ...

The Working Group on the 'Anthropocene' (AWG) will provide its summary of evidence and its provisional recommendations on a potential new geological time interval. The Working Group on the ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. The Meghalayan age ...

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 ...

Our planet is more than four billion years old – a staggering amount of time for humans to contemplate. To ease this task, experts have divided earth’s history into pieces of time, called aeons, eras, ...

Ever since atmospheric chemist Paul Crutzen (Nobel Prize winner in 1995) popularized the notion of the Anthropocene at the turn of the millennium, the use of the word has spread throughout society. So ...