EARLY DEVONIC HISTORY OF NEW YORK AND EASTERN NORTH AMERICA 



59 



Mt Joli massive. North of Cape Canon is a beach interval of 350 

 feet. The grass-grown bank of the beach shows a red soil cap and in it 

 here and there are blocks of red conglomerate as though deposition of the 

 conglomerates was over a rough bottom wherein this clay-banked beach was 

 a deeply gullied line of disturbance. 



The erect strata of gray thin limestones and calcareous shales which 

 constitute the low headland at Mt Joli begin, not at the scarp itself, but at 

 low water niay be seen extending well out from the shore. Along the 



Vertical, jointed and ripple-marked Siluric limestmie';. Snnth Hank nl .Mt Jnii 



North beach these outlying strata form little reefs, but the intervals 

 between them and the wall of the promontory are concealed by the beach. 

 Taking the Mt Joli massive as a whole, it has an approximate length along 

 the east sea front of 700 feet, the highest point being at the north^ the 

 upper slope declining southerly, ending rather abruptly at the beach sepa- 

 rating it from Cape Canon. There is little change in the lithic composition 

 of the strata composing Mt Joli, but there is definite evidence of displacement 

 in the mass itself. For the greater part of the length of the sea wall the 



