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Protalus Ramparts and the Altitude of the Local Equilibrium Line During the Last Glacial Stage in Bokspruit, East Cape Drakensberg, South Africa

 

作者: LewisColin A.,  

 

期刊: Geografiska Annaler: Series A, Physical Geography  （Taylor Available online 1994）
卷期: Volume 76, issue 1-2  

页码: 37-48

 

ISSN:0435-3676

 

年代: 1994

 

DOI:10.1080/04353676.1994.11880404

 

出版商: Taylor&Francis

 

关键词: Protalus ramparts;Bottelnek Stadial;Quaternary;palaeoclimatic significance;Drakensberg;South Africa

 

数据来源: Taylor

 

摘要:

ABSTRACTA ridge of unconsolidated debris at an altitude of 2000 m, located beneath cliffs in the East Cape Drakensberg of South Africa, is interpreted on morphological and sedimentological evidence as a protalus rampart. The rampart is believed to have formed in the Bottelnek Stadial, after 27000 BP and before 13000 BP, and provides evidence of perennial snowbeds and at least discontinuous permafrost in the East Cape Drakensberg during that Stadial.

 

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