| 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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