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The first shows the entire time from the formation of the Earth to the present, but this gives little space for the most recent eon. The second timeline shows an expanded view of the most recent eon. In a similar way, the most recent era is expanded in the third timeline, the most recent period is expanded in the fourth timeline, and the most ...
The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks).
"The ICS International Chronostratigraphic Chart" (PDF). 2017/02. pp. 199–204. U.S. Geological Survey Geologic Names Committee. "Divisions of Geologic Time—Major Chronostratigraphic and Geochronologic Units" (PDF). USGS. Fact Sheet 2007-3015
|labels= optional - Sets geological time labels to be displayed (era, period, epoch, age) Period options: cenozoic not functional - displays entire Cenozoic timescale; quaternary not functional - displays Quaternary timescale; neogene not functional - displays Neogene timescale; paleogene not functional - displays Paleogene timescale
Geologic time shown in a diagram called a geological clock, showing the relative lengths of the eons of Earth's history and noting major events The geological history of the Earth follows the major geological events in Earth's past based on the geological time scale , a system of chronological measurement based on the study of the planet's rock ...
The Geologic Calendar is a scale in which the geological timespan of the Earth is mapped onto a calendrical year; that is to say, the day one of the Earth took place on a geologic January 1 at precisely midnight, and today's date and time is December 31 at midnight. [1]
Print/export Download as PDF; Printable version; ... International Commission on Stratigraphy geologic time scale of Earth (4 C, 2 P, 1 F) M.
Geologic timeline can refer to: The geologic time scale of Earth history. The historical development of the science of geology , as in the timeline of geology article.