Quart, Journ. Geol. Soc. Vol. LI. PL XVII. 



1 THE 



POST- CRETACEOUS 



WEYMOUTH. 



Isle of Purbgck Fatdt^ 



Durdle Door 

 Strata vertical and inverted 



Miles 





Purbeck ll'catden Gault & Greensand 



us disturbances and faults. Arrows indicate dips. 



Tertia ry 



