217 



#w an mpomm in tfjc f^cupcr eia^s anir 



By George Fletcher, F.G.S. 



OME hundred yards to the north of the Firs Estate 



Board School is an exposure of the strata belonging 



to the Keuper Clays and Marls, in which are some 



points worthy of notice. This is a large claypit 



attached to the brickyard of Mr. James Kent, in which are several 



excellent sections. The most interesting point is the fault shewn 



in Figure i. Owing to the manner in which the clay has been 



excavated, this fault is shewn in four sections. Faults usually 

 present difficulty to the unexperienced in field geology To 

 correctly infer their existence from observations of the rocks as 

 they occur at the surface, one must be carefully informed of the 



