| PROBLEMS OF QUATERNARY ENVIRONMENTAL EVOLUTION AND GEOMORPHOLOGICAL DEVELOPMENT IN THE LUSHAN |
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| 作者姓名： | 李吉均 张林源 邓养鑫 周尚哲 |
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| 作者单位： | Department of Geology and Geography，Lanzhou University，Department of Geology and Geography，Lanzhou University，Lanzhou Institute of Glaciology and Cryopedology，Academia Sinica，Lanzhou Institute of Glaciology and Cryopedology，Academia Sinica |
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| 摘 要： | The major Quaternary climatic deterioration of the Lushan area occurred mainly in LatePleistocene when a periglacial environment prevailed on the high summits above 1000 m a.s.l.with resulting frost shattering and gelifluction. The data from sporo-pollen analysis, fossilfauna, paleosols and the elevation of the snowline in the ice ages prove that conditions for thedevelopment of the glaciers did not exist in the Lushan during early and middle Quaternaryperiod. Evidence of former glaciation has not been found in the study on the type sedimen-tary sections in Yejialong and Dajiaochang gully. There are many relict landforms belong-ing to hot and humid tropical climate rather than to glacial one. The problems of the land-form development of the Lushan are also discussed.
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