论文部分内容阅读
泰山,五岳之首。古迹名胜,久闻天下。每当列车途经泰安,旅客们总是凭窗远眺,翘首东望,以倾慕崇敬的心情注视着一座座雄伟的峰峦。中外旅游者如有机会登泰山、上南天门,一览齐鲁壮观视为平生快事。假如地质学家登临泰山,心中还会盘算着更远古的历史。遥想25亿年前,我国的绝大部分地区还处在汪洋无际的大海洋底的时候,这里却是屹立于碧波中的岛屿。它是后来大陆成长的核心,就像动物的胎儿或植物的胚芽一样。假如古生物学家到泰山,山麓起伏的山丘更吸引他们的兴趣,虽然这是许多貌不惊人的低山,但“山肚予”里却埋藏着无数化石,能向我们诉说四、五亿年前的传奇和故事。化石群中的为首分子,就数称雄一时的三叶虫。现在,让它把我们带领到远古的三叶虫王国里去观光一
Taishan, Wu Yue of the first. Places of historical interest, long heard the world. Whenever a train passes through Tai’an, travelers always look out of the window and look forward to looking forward to watching the majestic peaks and valleys with admiration. Chinese and foreign tourists have the opportunity to Taishan, Nantianmen, Qilu spectacular as a lifetime. If geologists board Mount Taishan, the mind will contemplate more ancient history. Looking back 2.5 billion years ago, most parts of our country were still at the bottom of the vast ocean, where the island stands in the blue sky. It is the core of later growth in mainland China, just like an embryo of a fetus or plant of an animal. If palaeontologists went to Mount Taishan, the foothills of the foothills more appealed to their interest. Although this is one of the many unspeakable low mountains, there are countless fossils buried in the “Hanzhong” and tell us four to five hundred million Years ago legend and story. The first fossil group of molecules, the number of trilobites said the male moment. Now, let it lead us to the ancient trilobite kingdom to go sightseeing