Summary: | Stratified slope deposits occur at the foot of east- or south-east-facing slopes at an altitude of 4100 m near Xiaonanchuan. The deposits show three layers: the base layer is regolith of thickness 2-3 m, the middle layer is stratified slope deposit of thickness 10-15 m, and the top layer is loess-like silt of thickness 9 m. Analysis of the sedimentary structure and grain size, together with SEM study of the quartz grains and TL datings, suggest the stratified slope deposits represent a climate change from cold-wet to cold-dry in the early period of the Last Glaciation (60,000-44,000 a BP). The loess-like deposit resting upon the stratified slope deposit indicates a remarkable cold-dry period since the Last Glacial Maximum. Copyright (C) 1999 John Wiley & Sons, Ltd. Geography, Physical Geology SCI(E) 1 ARTICLE 4 369-375 10
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