| 释义 |
† ˈwacken Geol. Obs.
[app. a. G. wacken-, combining form of wacke: see prec.]
= wacke.
1796Kirwan Elem. Min. (ed. 2) I. 219 [Basaltine] is most found in basalts, wacken, and lava. 1802Playfair Illustr. Hutton. Theory 67 The wacken, mullen and crag of Kirwan.
b. Comb.: wacken porphyry.
1796Kirwan Elem. Min. (ed. 2) I. 355 Wacken Porphyry. 1807J. Headrick Arran 61 The hills at the head of Glencloy are composed of wacken porphyry.
Hence wackeˈnitic a., of the nature or composition of wacke.
1866Lawrence tr. Cotta's Rocks Classified (1878) 88 We shall use the adjective ‘wackenitic’ to designate this [decomposed] state of those rocks. |