- geologic period
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геологический период
English-Russian dictionary of geology. 2011.
geologic period
Смотреть что такое "geologic period" в других словарях:
period — [pir′ē əd] n. [ME paryode < MFr periode < L periodus < Gr periodos, a going around, cycle < peri , around + hodos, way < IE base * sed , to go > Sans ā sad , go toward] 1. the interval between recurrent astronomical events, as… … English World dictionary
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
Period — or periodic may refer to:Language and literature* Full stop, a punctuation mark indicating the end of a sentence or phrase * Periodic sentence, a sentence that is not grammatically complete until its end * The final book in Dennis Cooper s George … Wikipedia
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
period — /pear ee euhd/, n. 1. a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social… … Universalium
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 temperature record — The Geologic temperature record are changes in Earth s environment as determined from geologic evidence on multi million to billion (109) year time scales.Evidence for past temperaturesOur evidence for past temperatures comes mainly from isotopic … Wikipedia
Geologic record — The layer cake like appearance of concordant strata laid down over hundreds of thousands of years … Wikipedia
period — I. noun Etymology: Middle English periode, from Middle French, from Medieval Latin, Latin, & Greek; Medieval Latin periodus period of time, punctuation mark, from Latin & Greek; Latin, rhetorical period, from Greek periodos circuit, period of… … New Collegiate Dictionary
period — pe•ri•od [[t]ˈpɪər i əd[/t]] n. 1) an extent of time that is meaningful in the life of a person, in history, etc.: a period of illness; a period of social unrest[/ex] 2) a specific division or portion of time: the postwar period[/ex] 3) a round… … From formal English to slang
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
