chronostratigraphic correlation chart

chronostratigraphic correlation chart: хроностратиграфическая корреляционная схема

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Gasconadian Stage — The Gasconadian Stage is the first stage of the Ordovician geologic period in North America and of the Lower Ordovician Canadian Epoch, coming immediately after the Late Cambrian Trempealeauan and preceding the middle Canadian Demingian. The… … Wikipedia
List of geochronologic names — This is a list of official and inofficial names for time spans in the geologic timescale and units of chronostratigraphy. Since many of the smallest subdivisions of the geologic timescale were in the past defined on regional lithostratigraphic… … Wikipedia
Geochronology — A schematic depiction of the major events in the history of our planet. Geochronology is the science of determining the age of rocks, fossils, and sediments, within a certain degree of uncertainty inherent to the method used. A variety of dating… … Wikipedia
Eonothem — In stratigraphy and geology, an eonothem is the totality of rock strata laid down in the stratigraphic record deposited during a certain eon of the continuous geologic timescale. The Eonothem is not to be confused with the eon itself, which is a… … Wikipedia
Sequence stratigraphy — is a relatively new branch of geology that attempts to link relative sea level changes to sedimentary deposits. The essence of the method is mapping of strata based on identification of surfaces which represent time lines (e.g. subaerial… … Wikipedia

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