Geological Survey of the Island of Jersey. 377 



At a, the rock assumes the appearance of jig. B; the remainder well 

 exemplified by C. 



a, has precisely the look of having been shattered by percussion, but the 

 fragments scarcely dislocated. 



Small Uy al L lilac 



m 



Debris of Argillaceous 



Schist and Sienite, 



much rotted. 



a, Sienite entering the Argillaceous Schist [(b) by the vein al a' a'. 



