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A PDF document that shows the geologic time scale from the present to the Precambrian, with magnetic polarities, periods, epochs, and ages. It also includes the names and dates of the major biostratigraphic events and the global boundary stratotype sections and points.
Geologic TimeScale Foundation Age Period Epoch Age/Stage Age 0 5 10 15 20 25 30 35 40 45 50 55 60 65 Paleogene Neogene Quat. Paleocene Eocene Oligocene Miocene Plio-cene Pleisto-cene Holocene Danian Selandian ... GEOLOGIC TIME SCALE 2020 Sheinwoodian Gradstein, Ogg, Schmitz, Ogg et al., GTS2020, Elsevier.
Download a PDF document of the Geologic Time Scale, a standard chronostratigraphic framework for the Earth's history. The document shows the names, ages, and magnetic polarities of the periods, epochs, and ages from the Cenozoic to the Precambrian.
A PDF document that shows the development of life and major events through geologic time, from the origin of Earth to the present. It includes a table with millions of years before present, a calendar year, and a timeline of eras, periods, and systems.
A handout for GLY 137 – The Dinosaurs course that explains the divisions and events of the geologic time scale from the Hadean to the Cenozoic. Learn about the origins and evolution of life, the atmosphere, and the continents on Earth.
What is shown as Calabrian is actually three ages—Calabrian from 1.80 to 0.781 Ma, Middle from 0.781 to 0.126 Ma, and Late from 0.126 to 0.0117 Ma. The Cenozoic, Mesozoic, and Paleozoic are the Eras of the Phanerozoic Eon.
GEOLOGIC TIME SCALE Eon Era Period Epoch Date (Millions of years before present) Holocene 0.01 Quaternary Pleistocene 1.6 Pliocene Miocene Oligocene Eocene ... geologic time) End of Precambrian 543 mya Beginning of Precambrian 4,500 mya . Title: Microsoft Word - Geologic time scale.docx
