46 



TALCHEER COAL FIELD. 



Section in descending order. — (Continued.) 



Proposed Names. 



Characters of beds, sub- 

 divisions, &o. 



Estimated thickness 

 in feet. 



2. Damoodali Group 



Fossiliferous. 



«■ 



or 







Carboniferous Shale Series. 



a. Interstratifications of blue 

 and black shale, often 

 very micaceous, iron- 

 stone, and coarse fel- 

 spathic sandstone. 



>■ 1500 or more^ 







J. Carbonaceous shales of 

 Gopalprasad and Tal- 

 cheer, &c. 



> More than 150 



Total 

 ■nearly 1800. 



. 



c. Shales and coarse sand- 

 stones interstratified, 

 the latter predominat- 

 ing chiefly at the base. 



f Not less than 

 i 100 J 





3. Talcheer Group 



But_Blightly fossiliferous; 





or 







Lower Sandstone Series. 



a. Blue nodular shale. 







6. Fine sandstone. 



500 to 600 





C" Tesselated Sandstone. ") 







c. Boulder Bed. 





According to tlie estimate here given, the total thickness of all 

 Probable thickness of ^^^ ^^ds miglit somewhat exceed 4,000 feet, 

 the beds much gi-eater. ^j^-^^ -^ probably much under the truth. 



From the unconformity between each series, it is very uncertain, 

 whether the upper beds of each epoch are in any case seen, or whether 



