DECCAN TRAP, 



195 



annexed diagrammatic sketch represents the section seen in one of the 

 rain gullies near the northern part of the intertrappean area. 



, nr. 



Seotion of intertrappean beds near Mamdapur. 

 S. Red sandy marl with kimkur and many pebbles of gneiss and quartzite. 



4, Sandstone witli lumps of quartzite and shells of JJnio ( Deccaiiensis ?) —matrix of pale drab color. 

 3. Red marl like No. 1. 



3. Greenish-yellow marly-looking bed of decomposed vesicular trap passing down into 

 1. Dark greenish-blaek vesicalar trap with many small and a few large amygdaloids of agate. 



The total thickness of the marls and sandstone ranges from 15 to 

 about 30 feet. 



A little more than a mile from the Mamdapur section^ but separ- 

 ated from it by an exposure of the gneissic rocks 

 in the bed of the great Mamdapur nullah_, rises 

 a low, flat-topped ridge, on the west side of which, close to the village of 

 Uparhatti (Ooparhuttee), the intertrappean rocks are again well exposed 

 as shown in the accompanying sketch diagram. 



Uparhatti section. 



Section of intertrappean beds at tlparhatfi 



( 195 ) 



