SIERRA 



TAMAU LI PA S 



CERRO PICACHO GUADALUPE C. SAROINAS 



I YUCATE | ESLABONES I 



S.J. DE LAS RUSIAS 



WELL 5 

 CHAPAPOTE 



fault 



SOUTH ERN 



I L 



FIELDS 



SW 



9> A v 



ff 





RIO TANCOCHIN 



cP^+ 



*> :* 









JL I III Ifissa/r | | Basdlt 



Fault* 



<f %>* 



50 



Kilometers 



Fig. 41.12. Cross sections of the coastal plain of eastern Mexico after Muir, 1936. The upper section 

 is the southward plunging end of the Sierra Tamaulipas, where the northern oil fields are located. The 

 lower section is west of Tuxpam, and runs nearly north-south, longitudinal of the structure. 



664 



