Vol. 357, No. 1757, Astronomical (Milankovitch) Calibration of the Geological Time-Scale (Jul. 15, 1999), pp. 1735-1759 (25 pages) From the beginning of its history the Royal Society has devoted much ...

Understanding the geologic time scale and how to organize Earth’s history into a coherent timeline. MS-LS4-1: Analyze and interpret data for patterns in the fossil record that document the existence, ...

Geologic Time is a crucial concept to understanding the history of the earth — including the evolution of life. Many different representations of the timeline have been created, and many approaches ...

When a new time division is approved, as in the case of the Meghalayan, ICS sets the official description and adds that new detail to the geologic time scale. All rocks younger than 4,200 years ...

The Late Holocene Meghalayan Age, newly-ratified as the most recent unit of the Geologic Time Scale, began at the time when agricultural societies around the world experienced an abrupt and ...

The geological time scale helps us grapple with the vast swaths of time that life has existed on Earth, dividing it into eras, periods, and epochs. With our illustrated version, explore 4.5 ...