Any of various sandstones and similar rocks containing (esp. basaltic) rock and mineral fragments of different sizes in a clayey matrix; a rock of…
| 单词 | θ5759 | 
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > igneous rock > 			[noun]		 > wacke (3)		 wacke1776 Any of various sandstones and similar rocks containing (esp. basaltic) rock and mineral fragments of different sizes in a clayey matrix; a rock of… wacken1794 = wacke, n. wacken porphyry1794 a form of porphyry (porphyry, n. 3) containing basalt. | 
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