- geologic time
- noun Date: 1861 the long period of time occupied by the earth's geologic history
New Collegiate Dictionary. 2001.
geologic time
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geologic time — or geological time n. the time period (c. 4.55 billion years) representing the earth s geologic history: see the geologic time chart in the Reference Supplement … English World dictionary
geologic time — the succession of eras, periods, and epochs as considered in historical geology. [1860 65] * * * Interval of time occupied by the Earth s geologic history, extending from с 3. 9 billion years ago (corresponding to the age of the oldest known… … Universalium
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
geologic time scale — geologinio laiko skalė statusas T sritis Standartizacija ir metrologija apibrėžtis Sąlyginė chronologinė geologinių įvykių seka, vartojama kaip tam tikro geologinio periodo matas. atitikmenys: angl. geologic time scale rus. шкала геологического… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
geologic time — noun the time of the physical formation and development of the earth (especially prior to human history) • Syn: ↑geological time • Hypernyms: ↑time • Hyponyms: ↑eon, ↑aeon, ↑period, ↑ … Useful english dictionary
geologic time — The total time involved since formation of the earth to the present time … Geography glossary
geologic time — ge′olog′ic time′ n. gel the succession of eras, periods, and epochs as considered in historical geology • Etymology: 1860–65 … From formal English to slang
New Zealand geologic time scale — While also using the international Geologic time scale, many nations especially those with isolated and therefore non standard prehistories use their own system of dividing geologic time into epochs and faunal stages. In New Zealand, these epochs … Wikipedia
geologic time scale — see http://www.geosociety.org/science/timescale/timescl.htm … Geography glossary
Time from NPL — Map showing the location of the Anthorn VLF transmitter within Cumbria … Wikipedia
