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The following five timelines show the geologic time scale to scale. 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.
Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Geologic time scale −4500 — – — – −4000 ...
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).
Download as PDF; Printable version; ... International Commission on Stratigraphy geologic time scale of Earth (4 C, 2 P, 1 F) M. ... Pages in category "Geologic time ...
The latest version of the geologic time scale was published in 2004, [6] and includes a comparison of present and past time scales. The greater efforts of geochronometry today are aimed at retrieving accurate ages of major events in the Earth's history and of stage / age boundaries.
Download as PDF; Printable version; In other projects ... and gradually transformed the atmosphere to one containing free oxygen. ... Geologic time scale.
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.
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]