

Ft. In. 



U) 





1^ 



1 



2) 





38 BOKARO COAL-FIELD. 



Coal 



Ferruginous slialc 



Coal 



Carbonaceous shale, then sandstone, &c. 



The beds to the cast dip 37°. but undulate, and so exhibit various angles, 

 according to the winding of the river. 



Mr. Williams' section was made lower down the stream, and nearly north of 

 Layeo. For the purpose of comparing measurements I made one. There 

 is a good deal of difference between us in the details, although we both 

 arrive at nearly the same conclusion regarding the gross thickness of 

 the beds. The coal seam marked six feet on the map shows where the 

 section was commenced. 



In descending order — 



Ft. In. 



1. CoaZ seam, indistinct, probably 6'0" to ... .,. ... 7 



2. Highly micaceous fine grained siliceous sandstones ... ... 4 3 



3. Grey argillaceous shales ... ... ... ... 10 



4. Sandstones and shales like the above, but not distinctly seen ... 96 



5. Coa? seam ... ... ... ... ... 3 6 



6. Sandstone and shale ... ... ... ... ... 7 6 



7. Coai seam, indistinct ... ... ... ... .. 2 8 



8. Carbo-argillaceous shale ... ... ... ... 8 



9. Soft micaceo-siliceous sandstone, and soft greenish felspathic 



siliceous sandstone, alternating. Both of these lose all trace of 

 stratification. They contain a small quantity of lime, and also pieces 

 of silt. The greenish sandstone much resembles the highest beds 

 of the Eaniganj series in the Jummoouee nuddee in the Jherria 

 field 



10. Coal (inferior) 



11. Fine grained sandstone 



12. Argillaceous and carbonaceous shale - 



13. Slightly carbonaceous sandstone 



16. Thin-bedded sandstone and bro^vn arenaceous shales 



Dip 25° 



17. Coal seam ... 

 Underbed 



18. Arenaceous shales ... 



19. Greenish grey massive sandstones and yellowish slightly calcareous 



sandstones 



20. Argillo-arenaceous shale, rippled,.. 



21. Grey argillo-arenaceous shales ... 



22. Coal (interior). Dip 25° 



23. Grey argillo-arenaceous shales, with two bands of yellow slightly cal- 



careous sandstones and one bed of carbonaceous shale ... 31 



21. Fine grained white and greenish micaceo-felspathic sandstone con- 

 taining pebbles, with intercalated bands of yellow slightly cal- 

 cai'cous sandstone 



25. Coal not distinctly seen 



26. Slightly calcareous felspathic siliceous sandstones weathering into 



hollows J intercalated are bands of yellow calcareous sandstones... 

 Dip 15°. Beds strike more nearly N. & S. 



27. Argillaceous shale 



28. Fine grained sandstone 



29. Concretionary argillaceous shales ... ... / 



30. Coa? (Mr. Williams'. 6'0") 



31. Intermediate beds 



32. CoaZ (pi-obably Mr. Williams' 010") ... ... ... 10 



( 76) 



62 







1 



6 







8 



4 



3 







8 



12 







3 



5 







7 



9 







33 



6 







2 



10 







2 



9 



66 







4 







50 











7 



1 



4 



5 



() 



2 







