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单词 coblenzian
释义

Coblenzianadj.

/kəʊˈblɛntsɪən/
Forms: Also Coblentzian, Coblenzien.
Etymology: < French coblentzien (A. Dumont 1848, in Mém. de l'Acad. R. des Sciences de Belgique XXII. 4), < Coblentz (German Koblenz ), a city in western Germany: see -ian suffix.
Geology.
Of, pertaining to, or designating the uppermost division of the Lower Devonian (Lower Old Red Sandstone) in Europe or the geological period during which it was deposited. Also absol.
ΘΚΠ
the world > the earth > structure of the earth > age or period > [adjective] > primary or Palaeozoic > Devonian > specific period
Coblenzian1853
Famennian1882
Frasnian1882
Givetian1882
Siegenian1922
the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > Devonian > specific
Helderberg1840
Coblenzian1853
Rhenan1853
Vergent1858
hercynian1880
Famennian1882
Frasnian1882
Givetian1882
Helderbergian1906
Siegenian1922
1853 Q. Jrnl. Geol. Soc. 9 25 This division must be separated from the Devonian series..since it does not contain a single species found in the ‘coblenzian’ or ‘ahrian’ divisions above it.
1882 A. Geikie Text-bk. Geol. 702 Coblenzien or Grauwacke, composed of four zones of grey~wacke, sandstones, shales, and conglomerate.
1902 A. J. Jukes-Browne Student's Handbk. Stratigr. Geol. x. 178 This series represents the Coblentzian of Belgium and the Rhine.
1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation xiii. 290 The first are, without doubt, of Coblenzian age.
This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2021).
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adj.1853
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