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...

geologic time scale, many nations–especially those with isolated and therefore non-standard prehistories–use their own systems of dividing geologic time...

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...

portal Crater counting Geology of the Moon Geologic time scale (Earth) Impact crater Late Heavy Bombardment Don Wilhelms (1987). Geologic History of the Moon...

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...

Geologic timeline can refer to: The geologic time scale of Earth history. The historical development of the science of geology, as in the timeline of geology...

US Geological Survey. p. 148. doi:10.3133/pp1348. W. Harland; R. Armstrong; A. Cox; L. Craig; A. Smith; D. Smith (1990). A Geologic time scale 1989...

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...

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...

to geology – Scientific study of Earth's physical composition that cannot be readily placed on the following subtopic pages: Geologic time scale – System...

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....

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...

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"...

century. He classified geologic time into primitive (or primary), secondary, and tertiary periods based on observations of geology in Northern Italy. Later...

this time. The oldest known minerals are from the Cryptic era. Hadean eon-related topics Geological time scale (Earth) Lunar geologic time scale Harland...

geologic time scale. During the 17th century, Nicolas Steno was the first to observe and propose a number of basic principles of historical geology,...

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...

geologic time, as represented in geologic time scales. A geologic time scale is a scheme that integrates the geochronologic subdivisions of geologic time...

as well as their equivalent in common time units of minutes, hours, days, and Julian years. Geologic time scale International System of Units Logarithmic...

Stratigraphic Ages" (GSSAs). Body plan MN zonation Fauna Geologic time scale New Zealand geologic time scale North American land mammal age Type locality "Latest...

electronic musician Edgar Froese The geologic time scale, a system of chronological measurement that relates stratigraphy to time Arnold Ages (1935-2020), Canadian...

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...

(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...

define the boundaries between periods, epochs and other units of the geologic time scale, complex dynamic diachronous changes are inherent to the event-stratigraphy...

and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as...

the four geologic eons of Earth's history, spanning the time interval from 2500 to 538.8 Mya, the longest eon of the Earth's geologic time scale. It is...

cosmic and geological time periods together. By contrast, a "billion-year" scale does not allow for useful discrimination between geologic events, and...

The Tortonian is in the geologic time scale an age or stage of the late Miocene that spans the time between 11.608 ± 0.005 Ma and 7.246 ± 0.005 Ma (million...

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...

outcrop surface Geological formation – Fundamental unit of lithostratigraphy Geologic time scale – System that relates geologic strata to time List of rock...