岩石学 yánshíxué petrology Definitions Defs Origin Strokes Stroke Words Sentences Sents 岩石学 岩石學 yánshíxué petrology the scientific study of the nature, origin, composition, and structure of rocks that make up the earth's crust; lithology
岩石学 岩石學 yánshíxué petrology the scientific study of the nature, origin, composition, and structure of rocks that make up the earth's crust; lithology