PLATE I. 



FIG I. SECTION OF DRIFT, POFeTHG W ■ DDEN COVE, 

 ST IVES . 



RNBLENDE ROCK 



--f^SWenb SecoSecccfv 



FIG. 2. SECTION OF DRIFT UNDER 

 GODREVr FARIVf, S"^ IVES BAY. 



KILLAS ROCK 



-^-'Tresent SecoBeccch 



Glax:fMZ Action/ iny Gyrmvall'. 



