Eifeln.

/ˈʌɪfəl/

Etymology: < the name of the Eifel, a plateau in Western Germany.

Used attributively to designate a subdivision of Middle Devonian in the Eifel region, and the rocks.

ΚΠ

1853 Q. Jrnl. Geol. Soc. 9 23 The Système eifelien of M. Dumont is formed of three distinct groups,—the Eifel limestone, Eifel fossiliferous schists, and the red sandstones and conglomerates.

1879 Encycl. Brit. X. 341/2 Stringocephalus group, consisting of the great Eifel limestone with underlying crinoidal beds.

Derivatives

Eifelian adj. and n.

/aɪˈfiːlɪən/ [ < French eifélien (A. H. Dumont 1848, in Mém. de l'Acad. R. des Sciences, etc., de Belgique XXII. 67)]

ΚΠ

1853 Q. Jrnl. Geol. Soc. 9 20 The Eifelian limestone and schists of Belgium and the Rhenish provinces.

1895 J. D. Dana Man. Geol. (ed. 4) 626 The Lower, Middle, and Upper divisions are named (1) the Rhénan, (2) the Eifelian, and (3) the Famennian.

1912 A. J. Jukes-Browne Student's Handbk. Stratigr. Geol. (ed. 2) 217 Middle Devonian. This also comprises two divisions, the Eifelian and the Givetian.

1957 Encycl. Brit. VII. 289/2 The Eifelian (Couvinian in Belgium) consists of limestones and shales abounding in corals and brachiopods.

1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation xiii. 290 Most of the others are Eifelian, and the reef barrier seems to have persisted almost to the Late Devonian.

This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2019).

单词	eifel
释义	Eifeln. /ˈʌɪfəl/ Etymology: < the name of the Eifel, a plateau in Western Germany. Used attributively to designate a subdivision of Middle Devonian in the Eifel region, and the rocks. ΚΠ 1853 Q. Jrnl. Geol. Soc. 9 23 The Système eifelien of M. Dumont is formed of three distinct groups,—the Eifel limestone, Eifel fossiliferous schists, and the red sandstones and conglomerates. 1879 Encycl. Brit. X. 341/2 Stringocephalus group, consisting of the great Eifel limestone with underlying crinoidal beds. Derivatives Eifelian adj. and n. /aɪˈfiːlɪən/ [ < French eifélien (A. H. Dumont 1848, in Mém. de l'Acad. R. des Sciences, etc., de Belgique XXII. 67)] ΚΠ 1853 Q. Jrnl. Geol. Soc. 9 20 The Eifelian limestone and schists of Belgium and the Rhenish provinces. 1895 J. D. Dana Man. Geol. (ed. 4) 626 The Lower, Middle, and Upper divisions are named (1) the Rhénan, (2) the Eifelian, and (3) the Famennian. 1912 A. J. Jukes-Browne Student's Handbk. Stratigr. Geol. (ed. 2) 217 Middle Devonian. This also comprises two divisions, the Eifelian and the Givetian. 1957 Encycl. Brit. VII. 289/2 The Eifelian (Couvinian in Belgium) consists of limestones and shales abounding in corals and brachiopods. 1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation xiii. 290 Most of the others are Eifelian, and the reef barrier seems to have persisted almost to the Late Devonian. This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2019). < n.1853
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