24i 



Mr. Lonsdale o« the Oolitic Distinct of Bath. 



Friable, black marl 



" Pitching bed," greyish limestone . . 



Friable, black marl 



" Velvet bed," grey limestone 



Friable, black marl 



" Red bed," reddish brown limestone. 

 Parting of marl 



Ft. 



In. 







2 







6 







4 



1 



G 







5 



1 







" Rag bed," a very tough, greyish 

 limestone, 9 to 12 inches 



" Clay burr," nodules of indurated 

 marl 



" Stile bed," grey limestone 



Parting of marl 



" Dun beds," four in number, lime- 

 stone, brownish on the outside, blue 

 in the centre 



" Well bed," greyish limestone 



Friable, black marl 



" Gutter bed," grey limestone 



Friable, blue marl 



"Gubbyor Govey bed," grey lime- 

 stone 



Parting of marl 



" Double bed," grey limestone 



Blue, friable marl 



Grey limestone 



Blue marl 



Several thin layers of greyish limestone, 

 with partings of marl 



Several layers of nodular, grey lime- 

 stone, with partings of marl 



Mottled marl 



Grey limestone 



Black marl 



Grey limestone 



Nine layers of nodular, grey limestone, 

 separated by others of blue marl . . 



Blue marl 



Compact, grey limestone 



" Dirt," blue, friable, sandy marl . . 



Compact, grey limestone 







10 



3 

 6 

 



1 3 



2 



2 



7 



3 



7 















8 







3 







2 



1 



6 



4 











3 







6 







7 







7 



3 



6 



2 



4 







4 







6 







4 



Blue marl 



Compact, grey limestone, two strata . 



Blue marl with septaria 



Compact, grey limestone 



Blue marl with septaria 



Compact, grey limestone 



Blue marl with septaria 



Compact, grey limestone 



Blue marl 



Six thin beds of grey limestone, with 

 partings of marl 



Blue marl 



Grey limestone 



Dark, slaty marl 



Grey limestone 



Parting of yellowish marl 



Compact, grey limestone 



Dark, slaty marl 



Compact, greyish limestone 



Parting of marl 



Compact, grey limestone 



Parting of marl 



Greyish limestone, with numerous frag- 

 ments of shells 



Friable, sandy marl, with fragments of 

 shells 



Grey limestone 



Parting of marl 



Grey limestone 



Blue limestone 



Greyish limestone, two strata 



Brownish, sandy marl 



Grey limestone 



Parting of marl 



Brownish limestone 



Grey limestone 



Parting of marl 



Brownish limestone 



Parting of clay 



Greyish limestone 



Indurated, brownish marl 



Ft. In. 

 3 



6 



6 



3 



6 







4 







10 







3 







3 















8 







2 







3 















6 







4 







2 







4 















4 







1 







7 







2 







3 















6 







6 















2 















2 







9 



White Lias. 



Thinly laminated, brownish limestone 1 

 "Sun bed" limestone I 



"Rotten stone" 3 



Parting of brownish clay 



