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PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [June 11, 



The following is an analysis of the same limestone-beds (after being 

 burnt) from a neighbouring estate in the Township of Bedford : — 



Silicic Acid 16-0 



Peroxide of Iron 6*0 



Alumina 2*75 



Lime 6825 



Magnesia 6*50 



Chloride of Sodium and Oxide of Manganese 0*50 



100-0 



The above were made by Mr. F. Grace Calvert, Honorary Professor 

 of Chemistry at the Royal Manchester Institution. 



Comparison of three Borings made at Astley. 



Surface or soil 



Clay mixed with sand 



Red clay 



Loamy clay with sand 



Red clay 



Clay with white specks 



Rock (first false bond-stone) 



Strong red earth 



Stone 



Strong red earth 



Red shale 



Gingerbread or red metal 



Very strong red earth 



Strong red shaly rock 



Very strong red earth or metal . . 



Strong red rock 



Strong red metal 



Hard brown rock 



Soft red earth 



Very hard strong brown rock 



Red earth 



Rock (second false bond) 



Red earth 



False stone, " Gunbrick" 



Red earth 



False stone 



Red earth 



False stone 



Red earth 



False stone , 



Red earth 



Rock (third false bond) , 



Red earth with white specks 



Strong brown stone bond 



Red earth with white specks 



Depth from surface to main bond 



or No. 1 bed of limestone 



No. 1 limestone 



Red earth 



No. 2 limestone 



A. 



ft. in. 



1 3 



1 5 



4 



6 11 

 1 10 



B. 



ft. in. 



3^ 



1 8| 

 1 4| 

 0i 



17 5 



8| 



3i 



U 



ft. 



1 



5 



5 



2 







1 







4 



6 



6 







2 







4 



3 



9 







H 



4 





2 



6 



1 







1 



3 







7 



10 





1 











' 2 







4 







n 



1 



6 







7i 







H 



2 



4 







H 



2 









2 



Hi 







2 







7 







1 







1 







4 



1 



10 







2i 







8 



52 



9 







H 



3£ 

 H 



