Currently, the Anthropocene has an informal designation, with a proposed age span extending from the present to a beginning point between ca. 15,000 yr B.P. and as recent as 1960 CE. …
Geologic time scale - Wikipedia
The following table summarises the major events and characteristics of the divisions making up the geologic time scale of Earth. This table is arranged with the most recent geologic periods …
International Commission on Stratigraphy
This page contains the latest version of the International Chronostratigraphic Chart (v2024-12) which visually presents the time periods and hierarchy of stratigraphic names of Earth's …
Geologic Time Scale | U.S. Geological Survey - USGS.gov
The left half shows a timeline of Earth’s geologic history which is split into Eons, Eras, Periods, and Epochs and how many millions of years ago (MYA) these occurred.
Geologic TimeScale Foundation - Stratigraphic Information
Jun 29, 2024 · Ages of this chart are according to "Geologic Time Scale 2020" by Felix M. Gradstein, James G. Ogg, Mark D. Schmitz, and Gabi M. Ogg, (2020, Elsevier). Archive of …
The Geologic Time Scale (PDF) 2024 – Geology In
It subdivides all time into named units of abstract time called—in descending order of duration—eons, eras, periods, epochs, and ages. Here is the Latest Version of the Geological …
Geological timechart - British Geological Survey
The BGS geological timechart provides colourful reference material for use in schools, colleges and at home, setting out the geological timescale and geochronological terms we use at BGS. …