South-western Coal District of England. 



275 



(Section 17 continued.) 



Soft cliff, called the Ridge-wash 



34. Shelly coal 



Cliff and greys, not much stone 



35. Perrink 



Cliff and a little duns 

 37. Red-axen seam 



Dunstone and cliff . 



Fath. Ft. In. 



10 



1 8 



20 



3 6 



18 



10 



22 



All the Sections that follow belong to the upper coal-shale. 



Section 18. 



Of the Engine pit^ at Bitterwell, the deepest sunk in the trough of Coal- 

 pit heath. 



Overlying beds, viz. 



Coal measures, viz. 



5. 



Dip E., about 1 in 9. 













Fath. 



Ft. 



In. 





Clay 



• • 





, 



1 













Red marl 



• , 





, 



13 













Red-stone grit 



, 







1 













Red marl 



, 







30 













Total of 



overlying beds 





. 









45 



X vLHil VI 









Rock 



^ ^ 







1 













Coal 



, , 















4 





Lower earth, a 



black heavy stone founc 



^\ 



1 













beneath all the 



seams 





J 





Duns 



, 





m0 



6 













Rag, or thin seams of coal, alternating with 



a 







5 









black, soft, slaty duns 





/ 





Hag coal 



. 





•^ 







1 









Lower earth 











1 













Soft duns 















2 









Hard-seam stone 











2 













Duns 











1 



4 









Hard seam 















2 



6 





Lower earth 











1 



3 









Duns 











1 













Stinker stone 











2 



3 









Black slaty duns 











2 













Stinker coal 















1 









Lower earth 











1 



3 









Duns 















3 









Hollybush stone 











2 













Duns 











1 



4 









Hollybush coal 















2 



6 





Lower earth 











1 



3 









Hard duns 











5 



3 









Great.seam stone 











2 













Duns 











2 













Great seam 



Top coal 

 Benching 

 Middle coal 

 Bottom coal 



2 ft. 



2 

 2 





 6 

 

 



in. 

 1 







6 





T 



otal of coal measures 







JL 









38 4 10 





83 4 10 



