316 STRATIGRAPHICAL GEOLOGY 



To the north, in the Morvan district, the Dinantian is overlain 



m ^v f 



Bourganeuf x Aubusson / '' & 



-Lajia<-ao ^ , \S<: : , 



w \3 \~m .,, , T 



K * t -a-J JjOt'. l 



Fig. 102. MA.P OF CENTRAL PLATEAU OF FRANCE. 



Reproduced by permission from de L/apparent's Traite de Geologie. 



5. Jurassic rocks. 

 4. Triassic rocks. 



3. Carboniferous. 

 2. Permian. 



1. Archsean and 

 Igneous rocks. 



by flows of quartz-porphyry which may be of Westphalian age ; 

 and above these are beds with a Stephanian flora, the lowest being 



