DETAILED ACCOUNT OF SOME RECENT EXPERIMENTS. 



Section of the Karani boring — contd. 



53 



Number 



of 

 stratum. 



Thickness 



of 



stratum. 



Depth 



below 



ground-level. 



DESCRIPTION OF STRATA. 





Feet. 



Feet. 





18 



175 



88-15 



Some yellow clay, mixed with red clay. 



19 



5'5° 



93'°5 



Clay resembling laterite, containing pebbles snd 

 sand derived from the primary rocks. 



20 



7 00 



100-65 



Hard yellow clay mixed with sand and fragments 

 of gneiss ; then hard greyish clay mixed with 

 yellowish clay. At 99 feet, more grey clay 

 passing to blue clay. 



21 



300 



103-65 



Grey clay traversed by blue clay. 



22 



300 



106-65 



Blue clay mixed with some yellow clay. 



23 



S-J8 



111-83 



Stiff yellow clay. 



24 



1 -28 



113-11 



Stiff yellow clay traversed by blue clay. 



25 



4577 



158-88 



Very hard indurated blue clay with a few layers 

 of grit. 



26 



2-30 



161-18 



Greyish limestone, the lower part of which is 

 very hard. 



27 



1892 



i8o-io 



Blue clay and layers of grit. The lower part 

 of the stratum contains iron-pyrites. 



28 



10-86 



190-96 



Fine blackish grey sand with iron pyrites, mixed 

 with very hard indurated blue clay, containing 

 sometimes layers of grit and limestone. 



29 



I '00 



191-96 



Very hard greyish limestone. 



3° 



9'°4 



20100 



Fine blackish grey sand with iron pyrites, 

 mixed with very hard indurated blue clay, 

 containing sometimes layers of grit and lime- 

 stone. 



31 



600 



207-00 



Fine blackish blue stiff clay ; lower part grey- 

 ish. 



32 



I'OO 



208-00 



Very hard grey limestone. 



33 



2-50 



210-50 



Fine indurated greyish clay, with a little sand. 



( 53 ) 



