英语词汇“tephrochronology”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

tephrochronology

释义

tephrochronology|ˌtɛfrəʊkrəʊˈnɒlədʒɪ|
Also tephra-.
[ad. Sw. tefrokronologi (S. Thórarinsson 1944, in Geografiska Annaler XXVI. 6), f. as tephra: see chronology.]
The dating of volcanic eruptions and other events by studying layers of tephra. Hence ˌtephrochronoˈlogical a.
1944S. Thórarinsson in Geografiska Annaler XXVI. 204 As an international term to designate a geological chronology based on the measuring, interconnecting, and dating of volcanic ash layers in soil profiles the author suggests the term Tephrochronology.Ibid. (heading) Tephrochronological studies in Iceland.1976P. Francis Volcanoes v. 178 The use of successive pumice or ash deposits in building up a history of the eruptive activity in an area is known as tephrachronology.1979Nature 25 Oct. 642/1 The tephrochronology of these ashes is well documented, but volcanological interpretations have seldom been attempted.1979Sci. Amer. Dec. 132/1 A volcano produces successive showers of tephra that fall throughout the surrounding countryside, forming layers that constitute a tephrochronological record of the volcano's activity.

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