70 



CHARLES LAURENCE BAKER 



I I Basalt flows 



I I Upper Paleozoic and Lower Mesozoic 

 J Sediments cut by diabase dikes and sills 

 '"^■>l Basement complex 

 ..—-... Lijigg q{ travel 



Diabase intrusives noted outside of 

 other areas mapped 



Fig. I. — Sketch map of Parana Basin, South America, showing distribution of 

 basalt flows. By Charles Laurence Baker. 



Scale i:io,ooo. i'=i6omi. 



