78 



hills, which latter forms the great watershed or area, from 

 which our sm.all rivulets (shown in the map with blue lines) 

 take their rise in the Coombes, and work their way through 

 the Yalleys, often by a tortuous route, until they join the 

 Eivers. 



At Gloucester the two descriptions of gravel {i.e. the Oolitic 

 and N.D.) meet, and consequently to the West it is nearly all 

 N.D. and to the east the detritus of the Oolite and Lias. 



The pit at Kingsholm consists of — 



ft. In. kJ^jU^M^^A^^ 

 1 6 f^^^=*=t±ii— — 



1 6 



1 



2 6 





Soil. 



Oolitic Gravel. 



Sand. 



NorthemDrift 



Mammalian 

 Remains. 



It will be seen that the Oolite overlies the N.D., and the sand 

 of the latter extends further eastward to the end of Barton 

 Street, near the railway bridge, crossing the road to Upton St. 

 Leonards, where the following section is well shewn — 



ift. Gin. 



2 ,, „ 



1 « 3 „ 



Soil, with Sand towards the bottom. 



Oolite and Marlstone. 



Red Sand, mostly Quartzose. 



The Gravel and Sand are met with in places on the same side 

 of Gloucester, but at the Eailway Station the Gravel is all Oolite 

 and Lias. There is a large developement of Oolite Gravel at 

 Barnwood, about 1| miles from Gloucester, which consists of — 



14 to 3ft. 



15 



Soil. 



Coarse and fine Oolite Gravel, little 

 worn, and some Marlstone. 



Mammalian Eemains. 



