| 释义 |
Devensian, a. Geol. and Archæol.|dɪˈvɛnzɪən|
[f. L. Dēvenses people living by the Dee, f. L. Dēva Dee, a river on the Welsh border near which deposits from the period are particularly well represented: see -ian 1.]
Of, pertaining to, or designating the most recent Pleistocene glaciation in Britain (identified with the Weichsel of continental Europe); of or belonging to this glacial; spec. designating a stratigraphic stage of the Pleistocene thought to date from this period. Also absol.
1968Geol. Soc. Lond. Recomm. Stratif. Classif. 20 It is recommended that for the Pleistocene and Holocene of the British Isles the following ages/stages be adopted as a regional scale... Pleistocene: Devensian [etc.]. 1975J. G. Evans Environment Early Man Brit. Isles ii. 34 The Devensian Glaciation is the latest major cold-climate episode to have affected the British Isles. 1978Nature 2 Mar. 26/1 The extent of permafrost in Britain during the Devensian may be inferred from relict features. 1984Lowe & Walker Reconstructing Quaternary Environments II. 26 In Britain, the maximum extent of the last (Devensian) glaciation has traditionally been placed where a morphological distinction can be made. |