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单词 viséan
释义

Viséanadj.

/vɪˈzeɪən/
Forms: Also Visean.
Etymology: < French viséen (E. F. Dupont 1883, in Bull. de l' Acad. R. des Sci., etc., de Belgique V. 223), < Visé , name of a town in Belgium: see -an suffix.
Geology.
Of, pertaining to, or designating the upper of the two divisions of the Lower Carboniferous (Dinantian) in Europe. Also absol.
ΘΚΠ
the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > carboniferous > specific
Bernician1856
seral1858
vespertine1858
Mississippian1891
Pennsylvanian1891
Westphalian1895
Stephanian1901
Viséan1905
Tournaisian1910
Namurian1915
1905 Q. Jrnl. Geol. Soc. 61 264 If I am correct in correlating the Lower Viséan of the Belgian Geological Survey with the Syringothyris-Zone of the Bristol area, the terms Tournaisian and Viséan, as employed by me in this paper, do not bear their original connotation.
1905 Q. Jrnl. Geol. Soc. 61 265 The Tournaisian and Viséan facies are essentially distinct.
1956 W. Edwards in D. L. Linton Sheffield 22 The imposing scarp along the north side of the outcrop at Castleton, with its reef-aprons..referred to movements of the Derbyshire ‘massif’ in relation to the ‘basin’ north of it, during Visean times.
1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles ix. 207 Goniatites have shown that only the Lower Limestone Group belongs to the Viséan.
1983 Rep. Inst. Geol. Sci. No. 82/12. 1/1 The Carboniferous rocks [exposed at Benburb, County Tyrone] fall within the Viséan Series of the Dinantian.
This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020).
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adj.1905
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