磷酸盐岩 Traditional form: 磷酸鹽岩 Pinyin (reading): línsuānyányán Definitions: phosphorite phosphate rock Characters: 磷 - phosphorus 酸 - tart, sour; spoiled; acid 盐 - salt 岩 - cliff; rocks; mountain Traditional characters: 磷 - phosphorus 酸 - tart, sour; spoiled; acid 鹽 - salt 岩 - cliff; rocks; mountain