Geological history — describes geological events that account for the stratigraphy, petrology and structure (see structural geology) seen in rocks or earth materials.See geologic timescale … Wikipedia
Geological history of Earth — impacting the Earth in a glancing blow. [cite journal | last = R. Canup and E. Asphaug | title = Origin of the Moon in a giant impact near the end of the Earth s formation | journal = Nature | volume = 412 | pages = 708–712 | date = 2001 | url =… … Wikipedia
Lunar geologic timescale — The lunar geologic timescale (or selenologic timescale) divides the history of Earth s moon into five generally recognized geologic periods: the Copernican, Eratosthenian, Imbrian (upper and lower), Nectarian, and Pre Nectarian. The boundaries of … Wikipedia
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
Gerard De Geer — Baron Gerard Jacob De Geer (1858 1943) was a Swedish geologist who made significant contributions to Quaternary geology, particularly geomorphology and geochronology. De Geer is best known for his discovery of varves. Early life and family De… … Wikipedia
Marcellus Formation — Stratigraphic range: Middle Devonian … Wikipedia
Series (stratigraphy) — Series are subdivisions of rock layers made based on the age of the rock. A series is therefore a chronostratigraphic unit, unrelated to lithostratigraphy, which divides rock layers on their lithology. Series are subdivisions of systems and are… … Wikipedia
Fossil — For other uses, see Fossil (disambiguation). Three small ammonite fossils, each approximately 1.5 cm across … Wikipedia
System (stratigraphy) — NOTOC A system in the natural sciences and stratigraphy is an idealized composite unit of the geologic record made up of a succession of rock layers that were laid down together within a certain corresponding geological time span, and are used in … Wikipedia
Holocene extinction event — [ thumb|right|150px|The Dodo, a bird of Mauritius, became extinct during the mid late seventeenth century after humans destroyed the forests where the birds made their homes and introduced animals that ate their eggs.] The Holocene extinction… … Wikipedia
