DAMUDA SERIES : BARAK AKS. 17 



The next seam is exposed south of this ; the intervening rocks are 

 not well seen until we come to some sandstones, above which is a coal 

 seam measuring eight feet four inches. 



Ft, In. 

 Coal ... ... 2 6 



Carbonaceous shale ... 4 



Coal (inferior) ... 56 



Total of Coal ... 8 



The section from this bed is clear, and the following rocks are 

 exposed in ascending series. Its economic worth, however, is small, and 

 indeed it merely indicates the composition of the Barakar group to a 

 very limited extent. 



1. FelspatHc sandstone, with a conglomerate band beneath it Ft. In, 



(thickness uncertain) ... ... ... „. 



2. Concretionary carbo-argillaceous shales 



3. Fine grained micaceo-f elspathic siliceous sandstone 



4. Coal ... ... ... ... ... .!. 



5. Fine grained micaceous purplish and black sandstone ... 



6. Fine grained reddish grey sandstone 



7. Carbonaceous shale ... 



8. Fine grained reddish grey micaceo-siliceous sandstone, with blue 



slate coloured bands 



9. Concretionary carbonaceous shale 



10. CoaZ seam 



Ft. In. 

 Carbonaceous shale and stony coal ... 7 



Coal ... ... ... 1 



Shale splintery ... ... 3 



Coal ... ... ... 3 



Total of Coal ... 11 



11. Grey and purplish sandstones .. . 



12. Concretionary carbonaceous shale 



13. Slightly calcareous f errugino-micaceous sandstone 



14. Concretionary carbonaceous shale 



15. Coal ... 



16. Carbonaceous shale ... ... 



17. Red ferrugino-calcareous sandstone ... ... 



18. Coal. Dips. E. 10° ... ... ... '." 



19. Carbonaceous shale ... 



20. Purplish micaceous sandstone ... 



21. Coal ... .. ... ... ... .!! 



22. Purplish variegated shales 



23. Coal 

 The river now bends back on itself, and the rocks higher in the series are 



not exposed until we reach the Damoodah. 



Damoodah ) rpj^g y^^^^ 21 to 23 are again visible ; then 

 Section. \ 



24. Arenaceous shale ... ... ... ... ... o 7 



25. Sandstones ... ... ... .. ... 2 



26. Carbonaceous shales ., ... ... ... 9 



(55) 



4 











4 



^0 



10 



3 



8 



1 



10 



1 







5 







3 



4 



1 



e 



12 







2 







3 



8 







3 







6 



3 











6 







10 



5 











4 



1 



4 



3 



6 







2 



