| 释义 |
Montian, a. Geol.|ˈmɒntɪən|
[ad. F. montien (G. J. G. Dewalque Prodrome d'une Descr. géol. de la Belg. (1868) x. 185), f. Mons (L. mons, mont- mountain), name of a town in SW. Belgium: see -ian.]
Of, pertaining to, or designating a stage of the Palæocene series that lies above the Danian (and like it is not represented in Britain) and below the Landenian. Also absol.
[1882A. Geikie Text-bk. Geol. 848 The most ancient Tertiary deposit of the west of Europe appears to be the limestone of Mons (Système Montien.).] 1896J. W. Judd Student's Lyell xv. 220 Paleocene Beds (‘Montian’).—In the coarse limestone of Mons in Belgium and in the Marls of Meudon in the Paris basin we have strata which are perhaps older than any in the British Islands. 1914J. Park Textbk. Geol. xxx. 416 The concretionary limestone of the upper division, representing the Montian sub-stage of the Cretaceous system, has yielded..the very characteristic Danian cephalopod, Nautilus danicus. 1921Geol. Mag. LVIII. 146 The Montian (Calcaire pisolitique) is now only found in a few isolated patches and seems to have been deposited in certain areas rather than over the whole Paris region. 1955G. G. Woodford tr. Gignoux's Stratigr. Geol. ix. 473 Far from being localized in narrow grooves, the Montian sea was widespread in a large gulf bounded on the north by the Pays de Bray and Chateau-Thierry and in the south reaching Mantes..and Vertus. 1960[see Danian a.]. 1969Bennison & Wright Geol. Hist. Brit. Isles xv. 336 The earliest Tertiary beds found on the continent of Europe, the Danian and Montian which together form the Palaeocene (though some authors consider the Danian late Cretaceous), were never deposited in the British area. |