单词 | coblenzian |
释义 | Coblenzianadj. 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). < adj.1853 |
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