| 单词 |
Stephanian |
| 释义 |
Stephanian, a. Geol.|stɪˈfeɪnɪən|
[ad. F. stéphanien (A. de Lapparent Traité de Géol. (ed. 3, 1893) 819), f. Stephan-us, latinized form of Saint-Etienne, name of a city in central France where it is represented: see -ian.]
Of, pertaining to, or designating the uppermost division of the Carboniferous in Europe, especially where represented by coalbearing formations. Also absol.
1901Jrnl. Geol. IX. 196 The flora of the Caradons stage contains a mingling of uppermost Westphalian species with Stephanian types. 1903A. Geikie Text-bk. Geol. (ed. 4) II. 1051 Stephanian. 1912A. J. Jukes-Brown Student's Handbk. Stratigr. Geol. (ed. 2) x. 317 A few small tracts of Stephanian measures occur in Brittany and Normandy... The most northern of these is at Littry.., the Coal-measures here..being conformably overlain by Permian Beds, and they belong, therefore, to the latest phase of the Stephanian. 1931Gregory & Barrett Gen. Stratigr. vii. 118 The Stephanian is absent from the N. of France and Westphalia, and is present in numerous coalfields preserved in basins in the pre-Palaeozoic rocks of the Central Plateau of France. 1959[see Dinantian a.]. 1963[see Sakmarian a.]. |
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