88 



Bui^KTiN 35 



Page 115 



Explanation of Diagram. 



Fig. i shows approximately the lines of the principal dislocations 

 which have affected the older rocks of Trinidad, and produced the 

 Gulf of Paria and the Bocas. 



Fig. 2 is a diagram showing the probable extent of the subsidence 

 by which the Bocas and Gulf of Paria were produced. 



Fig 3 shows the general succession of the Rocks of Trinidad — a 

 b, c, d, Caribean Group ; e, compact limestone ; f, secondary rocks ; 

 g, eocene of Tamana and Manzanilla ; g / , eocene of Sanfernando ; /z, 

 miocene of Guaracara ; h' , miocene of South Naparima : h f/ , miocene, 

 of Couva, Savanetta, Pointe Noir, etc. ; h f// ', miocene and pliocene of 

 Moruga, Mayaro, etc. ; /, post pliocene or detrital series. 



* Principal dislocations or faults. 



Figs. 4 and 5 are referred to in Mr. Wall's report. 



