there are poems chan said: "seen mountains hole hollow han wen shi, zhu yu is not type, can be in a must." one of the ancient use of outer space as a文人墨客for yan-yu, the non-durable color ink-sheng taste. scientific and technological achievements by the national identification [(1992) kam-word鲁科no. 53] to identify the rock selenium, zinc, iron, cobalt, strontium, manganese, beryllium,