ion; 



TAtfH AMERICA 

 WyrcarboniferousTillifce. 

 Sao Paulo. 



Shales W. of Rib das Pedras. 



Plate XXIX. 



NORTH AMERICA 

 Squant urn Tillite. 

 Cambridge, Mass. U.S.A. 



l ii n 



I? 



<* ( 



> * 

 'A 



DID 



a_a 



-2j 



4"d 



1* 





5 S? 

 iff 



' • .< 



L O 



■ *° 



b o 



°G 



c , 

 o 



^4 



X<3 



Ms. 





4 



4 4 



7.. 



0^ 



Diabase. 



^Sanely tillite at & near 

 \ Capivary 



Cambridge States 



Chafes at 



2 EstacSo Ellas Fausto. 



fJsJ^l^fQGty. 



\Sandy tillite. 



Shales 



Sandy tillite 



above Imbaiatuba. k 

 O 



Pre-Deyonian Granite. 



Q^Tk^g: 





^a^<iv^ 



0*^0 

 o O O o 



oo o o o 

 o <=> o 



O O O O c. 



teaaffiaszs 



o o c> O 



Contorted Varves 



§£ Sandstone and 

 % Slate. 



§ Dorchester Slate 

 f Red & purple slate 

 § with fine conglomerate. 



Brooklime 

 Conglomerate 



§ With pockets of 

 « Sandstone , lenses 

 § of Slate & inter- 



bedded melaphyre. 



vorth 



Partly after Robert W. Sayles. 



