Arid
Evolution and paleoclimatic meaning of the talus flatirons in the Ebro Basin, northeast Spain
Elorza, MG; Sancho, C; Arauzo, T; Monne, JLP
通讯作者Elorza, MG
会议名称International Conference on Quaternary Deserts and Climatic Change
会议日期DEC 09-11, 1995
会议地点AL AIN, U ARAB EMIRATES
英文摘要

Slope evolution in desert environments may result in the development of talus flatirons. In the Ebro Basin, talus flatiron sequences are often found at the foot of structural platforms and mesas. In four areas located in the centre of the Ebro Basin, five stages of slope evolution have been identified in the talus flatiron sequences. Talus relictts corresponding to the four younger stages have been dated from archaeological remains and charcoals within the slope accumulations. The obtained ages are Post-Medieval, 2900-2400 yrs BP, 27,862+/-444 yrs BP, and 35,570+/-490 yrs BP. There is a good correlation of the dated slope accumulations with cold climatic periods (Little Ice Age, Iron Age Cold Epoch) and Heinrich events (H-3-27 ka and H-4-35 ka). This correlation seems to indicate that talus flatirons can be considered as palaeoclimatic indicators.


来源出版物QUATERNARY DESERTS AND CLIMATIC CHANGE
出版年1998
页码593-599
ISBN90-5410-597-6
出版者A A BALKEMA PUBLISHERS
类型Proceedings Paper
语种英语
国家Spain
收录类别CPCI-S
WOS记录号WOS:000073252100052
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/292418
作者单位(1)Univ Zaragoza, Dept Ciencias Tierra, Zaragoza, Spain
推荐引用方式
GB/T 7714
Elorza, MG,Sancho, C,Arauzo, T,et al. Evolution and paleoclimatic meaning of the talus flatirons in the Ebro Basin, northeast Spain[C]:A A BALKEMA PUBLISHERS,1998:593-599.
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