215 



Recent . . 



Miocene 



Upper 

 Cambrian 



Travertine Limestone and Cal- 

 careous Marls and Sand. 



Reddish alluvial Clays, Sands, 

 and Gravels. 



Pleistocene . . . 



~\ 



i i i \ 



III! 



■ I I ) , I i 



' II II 



■ i i n i 



i i r i 



i i iii 



I-tZL 





Pre-Cambrian { 



wmm, 



mm 



Red and White (mottled) Clays 

 and Sandrock. 



Silicified Sands and Gravels, 

 bedded or spheroidal. Loose 

 Sand and Gravels. Fossil 

 Silicified Wood and Leaves. 



Turritella Cherts in Brownish or 

 Greenish (glauconitic) Clays. 



Impure earthy and siliceous Blue 

 Limestones, with Pteropod 

 and Trilobite remains. 



Whitish and Yellowish Marbles 

 with a few Brachiopods and 

 Mollusca. 



Archaeocvathinae Marble. 



Dolomite and Dolomitic Lime- 

 stones, yellowish, with sac- 

 charoidal texture. 



Basal Grits, siliceous and arkose, 

 passing into quartzose Gravels 

 in places. 



Fundamental Igneous Complex. 



Fig. 4. 

 Table of Strata as they occur at Ardrossan and Neighbourhood. 



