Read Edit View history 硅质岩 guīzhìyán siliceous rock Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 硅质岩/硅質岩 · guīzhìyán · siliceous rock 2026/03/04 硅质岩 / 硅質岩 guīzhìyán siliceous rock siliceous rock (mostly composed of silica) 这种地层主要由硅质岩组成。 created sense Mar 4, 2026, 02:25 AM