Coblenzianadj.
/kəʊˈblɛntsɪən/ 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.
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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