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...
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geologic time scale, many nations–especially those with isolated and therefore non-standard prehistories–use their own systems of dividing geologic time...
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portal Crater counting Geology of the Moon Geologic time scale (Earth) Impact crater Late Heavy Bombardment Don Wilhelms (1987). Geologic History of the Moon...
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Look up time scale in Wiktionary, the free dictionary. Time scale may refer to: Time standard, a specification of either the rate at which time passes...
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particular geographic region or regions. The geologic record is in no one place entirely complete for where geologic forces one age provide a low-lying region...
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The Imbrian is a lunar geologic period divided into two epochs, the Early and Late. In the lunar geologic timescale, the Early Imbrian epoch occurred from...
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(1987). Geologic History of the Moon. U.S. Geological Survey Professional Paper 1348. Wilhelms, Don; McCauley, John; Trask, Newell (1987). The geologic history...
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traditional three. The dates for each age can vary by region. On the geologic time scale, the Holocene epoch starts at the end of the last glacial period...
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Geochronometry (section Geologic time scale)
geologic time, as represented in geologic time scales. A geologic time scale is a scheme that integrates the geochronologic subdivisions of geologic time...
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readily placed on the following subtopic pages: Geologic time scale – System that relates geologic strata to time List of chemical elements List of compounds –...
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Carboniferous or Early Carboniferous) is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earlier of two subperiods of the...
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Tertiary (redirect from Tertiary (geology))
century. He classified geologic time into primitive (or primary), secondary, and tertiary periods based on observations of geology in Northern Italy. Later...
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Precambrian (redirect from Precambrian Time)
stratigraphy. Ediacaran: The youngest geologic period within the Neoproterozoic Era. The "2012 Geologic Time Scale" dates it from 538.8 to 635 Ma. In this...
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The Chaotian is a proposed time division of the geologic time scale. First proposed in 2010 as an eon, it is named after Chaos, the primeval void in Greek...
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Global Boundary Stratotype Section and Point (category Geologic time scales of Earth)
Stratigraphic Ages" (GSSAs). Body plan MN zonation Fauna Geologic time scale New Zealand geologic time scale North American land mammal age Type locality "Latest...
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Copernican period (category Lunar geologic periods)
Earth, the Moon's geologic activity was coming to an end. Wilhelms, Don E.; McCauley, John F.; Trask, Newell J. (1987). "The geologic history of the Moon"...
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geologic time scale. During the 17th century, Nicolas Steno was the first to observe and propose a number of basic principles of historical geology,...
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Nectarian (category Lunar geologic periods)
1016/j.icarus.2010.08.012. W. Harland; R. Armstrong; A. Cox; L. Craig; A. Smith; D. Smith (1990). A Geologic time scale 1989. Cambridge University Press....
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as well as their equivalent in common time units of minutes, hours, days, and Julian years. Geologic time scale International System of Units Logarithmic...
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n.d. Gradstein, Felix M.; James G. Ogg; Alan G. Smith (2005). A Geologic Time Scale 2004. Cambridge University Press. p. 288. ISBN 978-0-521-78673-7...
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The geological history of the Earth follows the major geological events in Earth's past based on the geological time scale, a system of chronological measurement...
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define the boundaries between periods, epochs and other units of the geologic time scale, complex dynamic diachronous changes are inherent to the event-stratigraphy...
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Zanclean (category Geological ages)
Zanclean is the lowest stage or earliest age on the geologic time scale of the Pliocene. It spans the time between 5.332 ± 0.005 Ma (million years ago) and...
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E.g. orogeny operates at a much larger scale than the formation of a river pothole does. Geologic time scale Modifiable areal unit problem (MAUP) Modifiable...
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Galactic year (redirect from Galactic time)
cosmic and geological time periods together. By contrast, a "billion-year" scale does not allow for useful discrimination between geologic events, and...
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Outcrop (redirect from Outcrop (geology))
bedrock in situ for geologic analysis and creating geologic maps. In situ measurements are critical for proper analysis of geological history and outcrops...
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Neoproterozoic (category Geological eras)
(2008). The Concise Geologic Time Scale. Cambridge University Press. p. 184. ISBN 978-0-521-89849-2. U.S. Geological Survey Geologic Names Committee (March...
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The term geon (for geological eon) refers to large, geologic units of time. Geologists traditionally subdivide Earth history into a hierarchy of named...
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this time. The oldest known minerals are from the Cryptic era. Hadean eon-related topics Geological time scale (Earth) Lunar geologic time scale Harland...
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electronic musician Edgar Froese The geologic time scale, a system of chronological measurement that relates stratigraphy to time Arnold Ages (1935-2020), Canadian...
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