i6 



LA TOUCHE : GEOLOGY OF WESTERN RAJPUTANA. 



Jodhpur area including the whole of the country between the eastern 

 edge of the Barmer desert and the Aravallis : — 



Period. 



Jaisalmir (Oldham). 



Barmer. 



Jodhpur. 



Recent 



Blown sand and allu- 



Blown sand and 



Blown sand and allu- 





vium. 



alluvium. 



vium. 

 River conglomerate. 



Sub-recent . 



Amir shingle beds 







Teritary 



Nummulitic limestone 







J r 



Abur group 



Barmer sandstone 







Parihar sandstone 



(? cretaceous). 





Mesozoic .• 

 1 



Bedesir group 

 Jaisalmir group 







I 



Lathi group • 



-5 







Unconformity. 



i 







Boulder beds of Bap and 



<§. 



Boulder beds of Bap 



1 



Pokaran (Talchir). 



Si 



and Pokaran (Tal 







s 



chir). 







& 







Unconformity. 





Unconformity. 



Palaeozoic 



Sandstone (Vindhyan) 





Limestones | vidh 



Sandstones ) ' 



Unconformity. 







Malani Volcanic 



Malani Volcanic series. 







series. 



Unconformity. 



\ 







Schists and quartzites 







(Transition). 





Intrusive rocks. 





Siwana granite ") 

 Jalor granite J 



Intrusive in Malani 







series. 







Ennpura granite. 



Intrusive in transition 

 schists. 



I. Schists and Quartzites (Delhi System ?). 

 The schists and quartzites, already mentioned as occurring only 

 in the eastern portion of the region under review, are very poorly 

 represented, and the outcrops they furnish are so isolated and frag- 

 mentary that it is impossible to form a definite opinion as to the 

 (16) 



