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The origin of the ground ice in the Malyk‐Sien basin, Northeastern USSR

 

作者: V. V. Zamoruyev,  

 

期刊: Polar Geography and Geology  (Taylor Available online 1992)
卷期: Volume 16, issue 1  

页码: 65-71

 

ISSN:0273-8457

 

年代: 1992

 

DOI:10.1080/10889379209377475

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The Quaternary sequence filling the Malyk‐Sien basin includes beds of diaraicton sediments and ground ice bodies. Some specialists consider the ice bodies enclosed in these diamicton deposits to be fossil glacier ice and the icy sediments to be till. But the observed bedding (oblique in some places), traces of displacement, signs of displacements in mud flows, and inclusions of wood and peat provide evidence of a deluvial‐solifluction origin for these deposits. The sorting and bedding of sand‐and‐clay intercalations in the ice, as well as inclusions of organic material exclude the idea that they were formed by moving ice. Rather, they are evidence that they originated under the influence of moving water. The “folds”; sometimes occurring in the sand‐and‐clay intercalations represent the tracks of tiny trickles of water, depositing fine material during the ocurse of ice formation. The data on the chemical composition reveal that it is similar in composition to the surface and ground water of the area, and clearly distinct from that of the glacier ice in the nearest mountain massif. It is concluded that the ground ice in the region in question represents bodies of accumulative ice, ice wedges, buried river ice, and aafeis.

 

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