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单词 landenian
释义

Landenianadj.

/lanˈdɛnɪən/
Etymology: < French Landenien (A. Dumont 1839, in Bull. de l'Acad. R. des Sci., etc., de Bruxelles VI. ii. 466), < Landen , name of a town near Liège in Belgium: see -ian suffix.
Geology.
Of, pertaining to, or designating a stratigraphic stage at the top of the Palæocene series (or the bottom of the Eocene), lying above the Montian. Also absol.
ΚΠ
1852 Q. Jrnl. Geol. Soc. 8 254 In his visit to this country..he [sc. Dumont] pointed out to me the many characters common to these Thanet sands and his ‘Landenian System’, which occupies the same position in the Belgian series.
1902 A. J. Jukes-Browne Student's Handbk. Stratigr. Geol. xvi. 485 In Belgium the Montian limestone..is overlain by glauconitic sands which are known as the Lower Landenian and unquestionably correspond to our Thanet Beds.
1923 L. D. Stamp Introd. Stratigr. xvi. 274 Upper or Continental Landenian strata succeed [the lower or Marine Landenian] conformably, and are known as the Woolwich and Reading Beds.
1955 G. G. Woodford tr. M. Gignoux Stratigr. Geol. ix. 485 The English Tertiary begins with the transgressive Landenian.
1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles xv. 336 Sedimentation commenced with the inundation by the sea of the eastern part of the London Basin in Landenian times, depositing the Thanet Beds.
1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles xv. 336 The marine facies may not have persisted throughout the Landenian even in the east of the London Basin.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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adj.1852
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