单词 | chronostratigraphy |
释义 | chronostratigraphyn. Geology. The branch of stratigraphy concerned with the age of strata on an absolute scale (i.e. in terms of years). ΘΚΠ the world > the earth > earth sciences > geology > [noun] > stratigraphy historical geology1823 stratigraphy1841 time stratigraphy1945 chronostratigraphy1961 magnetostratigraphy1972 1961 Rep. 21st Internat. Geol. Congr. 1960 xxv. 12 A major goal of chronostratigraphy is the regional and..world-wide assignment of the rocks of the earth's crust to their proper position with respect to the passage of geologic time. 1970 Earth-Sci. Rev. 6 267 Stratigraphy comprises three major aspects: lithostratigraphy, biostratigraphy and chronostratigraphy. 1989 Nature 27 July 296/1 The Specmap project has defined the timing of δ180 variations in the ocean of the past 800 kyr, providing the basic chronostratigraphy for late Pleistocene palaeoclimatology. Derivatives ˌchronostratiˈgraphic adj. ΘΚΠ the world > the earth > earth sciences > geology > [adjective] > stratigraphy Smithian1813 stratigraphical1815 stratigraphic1830 time-stratigraphic1937 chronostratigraphic1954 chronostratigraphical1966 magnetostratigraphic1972 1954 Compt. Rend. XIX Congrès Géol. Internat. 1952 xiii. 205 Time-stratigraphic (chrono-stratigraphic) units are often used incorrectly with the connotation of a certain lithology or a certain fossil content. 1969 Proc. Geol. Soc. Aug. 158 ‘Chronostratigraphic zones’ or ‘Chronozones’ are regarded as informal units. 1992 A. G. Dawson Ice Age Earth iv. 45 A major difficulty in the Late Quaternary literature of Canada and the USA is the different chronostratigraphic terminology used in both countries. ˌchronostratiˈgraphical adj. ΘΚΠ the world > the earth > earth sciences > geology > [adjective] > stratigraphy Smithian1813 stratigraphical1815 stratigraphic1830 time-stratigraphic1937 chronostratigraphic1954 chronostratigraphical1966 magnetostratigraphic1972 1966 Earth-Sci. Rev. 1 5 A three-fold stratigraphical classification—lithostratigraphical, bio-stratigraphical and chronostratigraphical—seems to have been accepted by a majority of stratigraphers. 1979 Nature 18 Jan. 190/1 It is also clear that glaciers reached Poland only during parts of the corresponding chronostratigraphical unit, the Weichselian Stage. This entry has not yet been fully updated (first published 1997; most recently modified version published online June 2018). < n.1954 |
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