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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 ?
IT'S seems an absolute age since Mitsubishi brought out anything new but that has all changed now with the arrival of the Eclipse Cross model.
This literally means that they take an absolute age to bath, wash, clean teeth, put pyjamas on and actually get into bed.
Simply put this is the best it's been for an absolute age.
The risk of neuropathy for patients with CD was not affected by gender, absolute age, or age at diagnosis.
And then there's an endurance testing set-up that goes on for an absolute age.
2010) Beak sections Some underestimation of absolute age has been reported in adults as a result of beak erosion in the tip (Perales-Raya et al.
The researchers found that three sites lack absolute age control: at Chobot, Alberta, the three Clovis points found lack stratigraphic context, and the majority of other diagnostic artifacts are younger than Clovis by thousands of years; at Morley, Alberta, ridges are assumed without evidence to be chronologically correlated with Ice Age hills 2,600 kilometers away; and at Paw Paw Cove, Maryland, horizontal integrity of the Clovis artifacts found is compromised, according to that site's principal archaeologist.
They're the most exciting, talented and downright super sound band we've come across in an absolute age.
As I said when I first signed, I was part of a Warrington team that took an absolute age to reach where they are now and it was always going to take a while for the Vikings to achieve something similar.
Crossing the line, I didn't know if we'd made it and it seemed like an absolute age when I was sitting on the horse after the finish line, but it was probably only 30 seconds before we got the verdict.
Playing a character based on real-life American illusionist Criss Angel, he hasn't been this funny in an absolute age.