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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.


(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


(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.


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


earth's history
References in periodicals archive ?
Meissner B, Deters P, Srikantappa C, Kohler H (2002) Geochronological evolution of the Moyar, Bhavani and Palghat shear zones of southern India: implications for east Gondwana correlations.
Then they turn to the Caucasus region and Anatolia, considering such topics as aspects of the seismotectonics of Armenia: new data and re-analysis, and a new synthesis of the Izmir-Ankara--Erzincan suture zone and the Ankara melange in northern Anatolia based on new geochemical and geochronological constraints.
New sedimentological field data was used along with new and existing geochronological data, from both Georgetown and Mount Isa regions, to arrive at this conclusion.
Instead, the database is a necessary step toward: a) recognizing important volcanological problems that can attract geochronological research funding and b) encouraging a long-term campaign for determining the temporal development of Central American volcanism.
Elemental, Hf-Nd isotopic and geochronological constraints on an island arc sequence associated with the Cretaceous Caribbean plateau: Bonaire, Dutch Antilles.
Based on field relationships and geochronological data, McLeod (1990) divided the Saint George Batholith into the following units from oldest to youngest (Fig.
We have undertaken tectonic geomorphic, geochronological and geodetic investigations along the Chaman fault in search for evidence of temporal and spatial variations in motion.
Two goals of future research that build on this work will be to focus on more detailed geochronological analysis and assessments of lithic technological organization.
5 l/min Ar RF power 1,350 W Table II: Geochronological results for zircon inclusions in the two sapphires.
Wang C, Lianchang Z, Yanpei D, Caiyun L (2015) Geochronological and geochemical constraints on the origin of clastic meta-sedimentary rocks associated with the Yuanjiacun BIF from the Luliang Complex, North China.