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...

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...

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

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...

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...

(1987). Geologic History of the Moon. U.S. Geological Survey Professional Paper 1348. Wilhelms, Don; McCauley, John; Trask, Newell (1987). The geologic history...

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

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...

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...

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

Fall line Felsic Geologic age Geologic fault Geologic modeling Geologic period Geologic time scale Geological phenomenon Geologist Geology of the Alps Geomorphology...

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...

Hadean eon-related topics W. Harland; R. Armstrong; A. Cox; L. Craig; A. Smith; D. Smith (1990). A Geologic time scale 1989. Cambridge University Press....

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

with no imprecision. Body plan MN zonation Fauna Geologic time scale New Zealand geologic time scale List of Global Boundary Stratotype Sections and Points...

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

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

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...

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...

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...

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...

often known as Quaternary geology, after the Quaternary period of geologic history, which is the most recent period of geologic time. Magma is the original...

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...

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

bedrock in situ for geologic analysis and creating geologic maps. In situ measurements are critical for proper analysis of geological history and outcrops...

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

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...

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

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"...