| 1 | Quaternary Climate and Environment in the Lop Nur,Xinjiang显示文摘Since the middle Early Pleistocene (1.20 Ma B.P.), the desert steppe climate and environment have predominated in the Lop Nur area, Xinjiang, characterized by warm humid epochs interrupted by dry cold intervals. The grain-size and magnetic susceptibility curves record 30 climatic oscillations, each with a ca. 40 ka cycle, in the area since 1.2 Ma B.P., which reflects the controlling effects exerted by the astronomic factor on the environment. The Quaternary sedimentary environment in the Lop Nur gradually changed from a fresh lake through a brackish lake to a saline lake, showing a spiral evolution, and finally it evolved into a playa. | WANG Mill PU Qingyu LIU Chenglin CHEN Yongzhi | 2000 | Acta Geologica Sinica(English Edition)2000，74，2： | 7 |
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