The chemical alteration of rock and formation of minerals by the action of hot magmatic gases and vapours.
| 单词 | θ6522 | 
| 释义 | the world > the earth > minerals > change processes > 			[noun]		 > pneumatolysis (1)		 pneumatolysis1896 The chemical alteration of rock and formation of minerals by the action of hot magmatic gases and vapours. | 
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