英语词汇“Gedinnian”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

Gedinnian

释义

Gedinnian, a. Geol.|dʒeɪˈdɪnɪən|
Also † Gedinnien.
[ad. F. gedinnien (A. H. Dumont 1848, in Mém. de l'Acad. R. des Sciences de Belgique XXII. 4), f. Gedinne, name of a village in Belgium: see -ian.]
Pertaining to or designating the lowest division of the Devonian system in Europe, or the epoch or age during which it was deposited. Also absol.
1853Q. Jrnl. Geol. Soc. IX. 25 The ‘Gedinnian system’ must be entirely separated from the Rhenane series with which..it has no organic remains in common.1882A. Geikie Text-bk. Geol. vi. ii. iii. 702 Gedinnien, comprising an upper group of shales and sandstones and a lower group of fossiliferous shales, quartzo-phyllades, quartzites, and conglomerates.1928E. Neaverson Stratigr. Palaeont. xi. 255 The Gedinnian fauna of Belgium is not well known, since it is often represented only by fragments of ostracoderm fish.1955G. G. Woodford tr. Gignoux's Stratigraphic Geol. iv. 119 The Gedinnian and Coblenzian are completely missing and the Devonian begins with a basal conglomerate..directly overlain by sandstones.

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友情链接