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The chronology of the earth's history as determined by geologic events.

ge′o·chron′o·log′ic (-krŏn′ə-lŏj′ĭk), ge′o·chron′o·log′i·cal adj.
ge′o·chron′o·log′i·cal·ly adv.
ge′o·chro·nol′o·gist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Geological Science) the branch of geology concerned with ordering and dating of events in the earth's history, including the origin of the earth itself
geochronological, geochronologic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌdʒi oʊ krəˈnɒl ə dʒi)

the chronology of the earth, as based on both absolute and relative methods of age determination.
ge`o•chron`o•log′ic (-ˌkrɒn lˈɒdʒ ɪk) ge`o•chron`o•log′i•cal, adj.
ge`o•chro•nol′o•gist, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the branch of geology that describes the past in terms of geologic rather than human time. — geochronologist, n. — geochronologic, geochronological, adj.
See also: Earth
the chronology of the earth as induced from geologic data. — geochronologist, n.geochronologic, geochronological, adj.
See also: Time
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.


earth's history
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
References in periodicals archive ?
Many of the megalodon fossils seemed to have shifted within the surrounding rock, and this complicated the dating methods the researchers used.
Davidson and Wolgemuth should be congratulated on demonstrating the trustworthiness of scientific dating methods, and showing that the young-earth creationists have no logical basis for claiming a very young age for the earth.
"This a unique characteristic of the African baobab and all the baobab trees," said Patrut, who has dated different parts of the trees using radiocarbon dating methods.
"Previous excavations, they didn't have the access to the dating methods that we do these days to actually confirm that the deposits and the archaeology really were that old," said Andy Herries, Associate Professor of Palaeoanthropology and Geoarchaeology at La Trobe University in Melbourne, who was not part of the study.
The study of individual bodies made identification with the work less an issue of national identity, and advances in chemistry, geology and other scientific dating methods strengthened the empirical validity and reliability of the analysis.
It draws on the latest archaeological findings in the region, such as sculptures at Holmul, texts recently found at Xultun, and architecture at Ceibal, as well as the latest dating methods showing the origins of Maya civilization in the Preclassic period.
It shows most dating methods have been tried without success, and something new needed to be brought to the mix.
They're looking for small details such as the presence of microfossils to determine how the sediments built up and they use radio and carbon dating methods to do some of this.
A full treatment of the early Anglo-Saxon period burial practices, this collection of original papers contains the results of the latest research on the subject: dating methods, analysis of human remains, interpretative frameworks for the chronologies of male and female graves, typology of grave sites and grave goods and numismatics.
Our aim was to determine the accuracy of the different dating methods, and of their combinations, since they are currently widely used in SA.
Following discovery of the fossils in South Florida between 1913 and 1916, some prominent scientists convinced researchers the human skeletons were from more recent burials and not as old as the animals, a question that remained unanswered because no dating methods existed.