Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Palaeomagnetism and Geological Correlation of Certain Precambrian Formations of Andhra Pradesh


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1 Department of Geology, Sri Venkateswara University, Tirupati, India
     

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The magnetic studies on the ferruginous sandstone samples from the Kaverisamudram area and the metamorphosed shales from Beduduru area of Cuddapah basin are presented here along with the results from the dykes near Tirupati. From a comparison of these results with those obtained from other Precambrian formations of India, it is found that the Bijawars are equivalent to Cuddapahs. The results from the metamorphosed shales have indicated that the igneous activity in Cuddapah basin was contemporaneous with sedimentation. This igneous activity is also found to be contemporaneous with one of the intrusive phases of the Tirupati area.
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  • Palaeomagnetism and Geological Correlation of Certain Precambrian Formations of Andhra Pradesh

Abstract Views: 150  |  PDF Views: 2

Authors

C. V. R. K. Prasad
Department of Geology, Sri Venkateswara University, Tirupati, India
V. Damodara Reddy
Department of Geology, Sri Venkateswara University, Tirupati, India

Abstract


The magnetic studies on the ferruginous sandstone samples from the Kaverisamudram area and the metamorphosed shales from Beduduru area of Cuddapah basin are presented here along with the results from the dykes near Tirupati. From a comparison of these results with those obtained from other Precambrian formations of India, it is found that the Bijawars are equivalent to Cuddapahs. The results from the metamorphosed shales have indicated that the igneous activity in Cuddapah basin was contemporaneous with sedimentation. This igneous activity is also found to be contemporaneous with one of the intrusive phases of the Tirupati area.