论文部分内容阅读
被称为哈密地区粮仓的淖毛湖,南靠戈壁大山,北与蒙古国相接,东西全是胡杨林带。这里,人们看到的是茫茫戈壁,一望无际的棉田。但在距今一亿五千万年前的中生代侏罗纪,这时候东疆和淖毛湖地区的海洋已退了,变成碧波荡漾,野草丛生,森林茂密的内陆湖盆。侏罗纪时代的淖毛湖可谓盛况空前,地质历史资料告诉我们,当年淖毛湖沿着湖沼海湾的边缘,有大片大片的森林,这里恐龙成群,杨树丛生。野果累累,生机盎然。由于地壳运动的结果,使东疆原先较稳定的地区产生了大型的拗陷盆地,随之使大量陆生植物大量死
Known as the Hami area grain barn 淖 Mao Lake, south Gobi mountains, north and Mongolia phase, things are all Populus euphratica forest belt. Here, people see the vast Gobi, endless cotton fields. However, in the Jurassic period of Mesozoic 150 million years ago, the oceans of Dongjiang and Qiongmao Lake have now receded into rippling, weeds and dense forests inland lakes. The Jurassic Age of the Niemao Lake can be described as unprecedented, geological history information tells us that when Nianmao Lake along the edge of Lake Bay, there are large tracts of forests, where dinosaurs flocks, poplar trees. Wild fruits, full of vitality. As a result of the crustal movement, a large sag basin was created in the formerly more stable region of Dongjiang. As a result, a large number of terrestrial plants died