古诗人形容泰山,说“泰山岩岩”, 注解人告诉你:岩岩, 积石貌.的确这样, 山顶越发给你这种感觉.They were shaped like lotus petals , elephant heads , old men , recumbent tigers , hump - backed bridges, pillars.矽质岩包括燧石和沈积石英岩,呈薄层状产出,沈积石英岩具鲕状、砾状结构.The thin bedded silice...