| 释义 |
Neocomian, a. and n. Geol.|niːəʊˈkəʊmɪən|
[ad. F. Néocomien (Thurmann, 1832), f. Neocomi-um (f. Gr. νέος new + κώµη village), latinized form of Neuchâtel.]
1. Of or belonging to the series of lower cretaceous rocks found at Neuchâtel in Switzerland.
1843R. A. C. Austen in Proc. Geol. Soc. IV. i. 170 Argillaceous (Neocomian of Leymerie and D'Orbigny). 1863Lyell Antiq. Man xvi. 335 The lower cretaceous or neocomian beds were deposited conformably on the oolitic. 1891Edin. Rev. July 177 The neocomian sandstone in the Lebanon.
b. Characterized by the formation of the Neocomian rocks; belonging to the period at which these were formed.
1882W. J. Harrison Geol. Counties Eng. 76 Neocomian or Lower Cretaceous Period. 1888Prestwich Geol. II. 266 Strata of..Neocomian age. Ibid., The early Neocomian Sea spread over a great part of central and southern Europe.
2. absol. as n. The Neocomian series or period.
1888Prestwich Geol. II. 267 At the close of the Lower Neocomian. 1897F. R. C. Reed Handbk. Geol. Cambr. 48 It is not believed to include any part of the Neocomian of D'Orbigny. |