VERTICAL SECTIONS 
5hou/inf Me Thickness and Litholoj/y of 
/y^eZONESflWfl'SV/B-ZONES m the 
CARBON IFEI?OVS LIMESTONE of 
/^eAVON GORGE and BVRRINGTON COMBE 
2600 
2S00 
2400 
2300 
2200 
2100 
2000 
1900 
1800 
1700 
1600 
1500 
1400 
1300 
1200 
IlOO 
1000 
900 
800 
700 
600 
500 
400 
300 
200 
lOO 
O 
AVON SECTION BV/RRINGTON SECTION 
(AfferA. t/aup/tan) 
Feer, 
