科学工作者最近在陕西省蓝田县发掘出一个迄今为止我国发现的最完好的猿人下颌骨化石,这是研究人类起源的一个新的宝贵的科学资料。据有关科学家们鉴定,这个下颌骨属于一个离现在大约四五十万年前的老年猿人,它的形态同在周口店发现的中国猿人下颌骨化石相似。这个下颌骨化石是中国科学院古脊椎动物与古人类研究所的野外考察队今年7月19日在蓝田 Recently, scientists in Lantian County, Shaanxi Province, have unearthed one of the most intact humanoid jaw fossils found in our country so far. This is a new and valuable scientific resource for studying the origins of mankind. According to the scientists, the mandible belonged to an elderly ape-man about 400,000 to 500,000 years ago, similar in shape to the Chinese ape-man mandible fossil found at Zhoukoudian. The jaw fossil is the Chinese Academy of Sciences Institute of Vertebrate Paleontology and Paleoanthropology expedition this year on July 19 in Lam Tin