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- The results showed that the sandstone-type Uranium mineralization ages were 82.4 Ma, 60 Ma, 11.4 Ma, 7.1 Ma and 3.5 Ma have been obtained. The main mineralized stage is Miocene Epoch and Pliocene Epoch of Neogene Period. 对伊犁盆地砂岩型铀矿床及其蚀源区的初步研究表明 ,该区砂岩型铀矿具有期成矿作用的特点 ,成矿年龄有 82Ma、6 0Ma、11 4Ma、7 1Ma和 3 5Ma。
- Based on the studies of terraces and peneplains of the Changjiang three Gorge area,it is confirmed that the tectonic movement in this area is characterized by the slow uplift as a whole since the Neogene period. 根据长江三峡地区的阶地和夷平面的调查研究,该地区自新第三纪以来,构造运动具有缓慢抬升的特点。
- Sedimentary Features and Paleogeographic Environment of Neogene Period in Zone of Tarim Basin to Black Sea 塔里木盆地至黑海一带晚第三纪沉积特征及古地理环境
- Research on Sedimentary Features of Coal and Halogen Minerals of Neogene Period in Tarim Basin and The South Area of It 晚第三纪塔里木盆地及以南地区煤和盐类矿产沉积特征研究
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Discovery and Significance of Neogene Period Shangwang Formation in Laiwu Basin, Shangdong Province 山东莱芜盆地新近纪山旺组的发现及意义
- Discovery and Significance of Neogene Period Shangwang Formation in Laiwu Basin,Shangdong Province 山东莱芜盆地新近纪山旺组的发现及意义
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。
- Which period of history are you studying? 你正在学哪一段历史?
- The modification of pools dominated since Neogene. 晚第三纪以来油气藏调整为主阶段。
- Can you tell me the time period when it was stolen? 能不能告诉我大概什么时候被偷的?
- Chaucer wrote in the late mediaeval period. 乔叟写作的时代是中世纪末。
- She'll be away for an indefinite period. 她将离开一段时间,何时回来未定。
- This was the most difficult period of his life. 这是他一生中最艰难的时期。