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The age of the Cuddapah and Kurnool systems, southern India

 

作者: A. R. Crawford,   W. Compston,  

 

期刊: Journal of the Geological Society of Australia  (Taylor Available online 1973)
卷期: Volume 19, issue 4  

页码: 453-464

 

ISSN:0016-7614

 

年代: 1973

 

DOI:10.1080/00167617308728813

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

In southern India the older Precambrian is overlain unconformably in the Cuddapah Basin by the Cuddapah and Kurnool Systems. The former is tilted and unmetamorphosed in the west but eastwards becomes strongly folded and metamorphosed. It contains lavas and sills, particularly in the lower two groups, is intruded by dolerites and at Chelima by diatremes of kimberlitic affinities related to those intruding the older gneisses west of the Cuddapah Basin in the Wajrakarur area. The Kurnool System lacks any igneous rocks; its basal conglomerate is diamondi‐ferous.

 

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