Aeolian origin of the red earth in southeast China
会议名称：《中国科学院地质与地球物理研究所2002学术年会》
会议日期：2002年
学科分类：081803[工学-地质工程] 08[工学] 0818[工学-地质资源与地质工程]
关 键 词：red earth southeast China grain-size distribution REE pattern
摘 要：A clay-like deposit known as‘red earth’ is widely distributed over the terraces and high lands of the Yangtze River valley in southeast *** typical pedo-stratigraphical features have attracted the interest of pedologists and geologists for many years,although its origin is still *** we report an analyses of the grain-sie distributions,rare -earth element(ree) patterns and upper continental crust(UCC)-normalised major elemental composition of the red earth and compare them with those of the loess and other Aeolian deposits in northern *** results show that the red earth in southeast China has two or three end -member grain-size distributions,similar to the sedimentary characteristics and geochemical composition of Aeolian deposits found in northern *** with other evdence from field observations,these results suggest that the red earth is probably of Aeolian *** the basis of these data,we suggest that thick Aeolian dusts were also deposited in the wet subtropics and that the effect of the winter monsoonal winds upon the dust transport in eastern China was more important than previously *** 2002 John Wiley & Sons,Ltd.