单词 | wacken porphyry |
释义 | > as lemmaswacken porphyry wacken porphyry n. a form of porphyry (porphyry n. 3) containing basalt. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > wacke wacke1776 wacken1794 wacken porphyry1794 1794 R. Kirwan Elements Mineral. (ed. 2) I. 355 Wacken Porphyry... Greenish, blackish, reddish, or yellowish grey, or greyish black, or liver brown. 1807 J. Headrick View Mineral. Arran 61 The hills at the head of Glencloy are composed of wacken porphyry. 1826 Encycl. Londinensis XXI. 233 Porphyrius lamellosus, or wacken porphyry; consisting of wacke and hornblend. < as lemmas |
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