单词 | Coblenzian |
释义 | Coblenzian, a. Geol.|kəʊˈblɛntsɪən| Also Coblentzian, Coblenzien. [ad. F. coblentzien (A. Dumont 1848, in Mém. de l'Acad. R. des Sciences de Belgique XXII. 4), f. Coblentz (G. Koblenz), a city in western Germany: see -ian.] 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.
1853Q. Jrnl. Geol. Soc. IX. 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. 1882A. Geikie Text-bk. Geol. 702 Coblenzien or Grauwacke, composed of four zones of grey⁓wacke, sandstones, shales, and conglomerate. 1902A. J. Jukes-Browne Student's Handbk. Stratigr. Geol. x. 178 This series represents the Coblentzian of Belgium and the Rhine. 1963D. W. & E. E. Humphries tr. Termier's Erosion & Sedimentation xiii. 290 The first are, without doubt, of Coblenzian age. |

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