| 单词 |
Pliensbachian |
| 释义 |
Pliensbachian, a. Geol.|pliːnzˈbɑːkɪən| [ad. G. Pliensbachien (A. Oppel 1858, in Jahresh. des Vereins f. vaterlandische Naturkunde in Württemberg XIV. 249), f. Pliensbach, name of a locality near Boll, a village near Göppingen in Baden-Württemberg, W. Germany: see -ian.] Of, pertaining to, or designating a stage of the Lower Jurassic in Europe comprising the Middle Lias and part of the Lower Lias. Freq. absol.
1903Q. Jrnl. Geol. Soc. LIX. 455 In some districts—East Gloucestershire for instance—only a few feet of Toarcian are found separating the Inferior Oolite (Aalenian) from the Middle Lias (Pliensbachian). 1955E. Neaverson Stratigr. Palaeont. (ed. 2) xii. 440 Pliensbachian brachiopods are most abundant in the limestone facies of Somerset. 1975A. Hallam Jurassic Environments ii. 13 No zonal subdivision for the Pliensbachian of southern Europe as a whole has yet been satisfactorily achieved. 1978Nature 13 July 131/1 The initial Jurassic transgression here took place in the Pliensbachian. |

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