

CORRELATION 



OF SECTIONS IN 



THE 



VAQU 



1 VALLEY 





Formations. 



The Morro Sabaneta 

 at Monte Cristi. Rio Yaguajal. 



Cana. Caimito 

 Rio Cana. 



Los Quemados 

 Rio Gurabo. 



Cercado de Mao. 



Bulla River. 



1 



Jamaica. 



Panama. 



Florida. Europe. 



Stage. 



* * * * 



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% % % # 



* * * * 



>{. yfr ?$. ty' 



* * * * 



-I* •!* •> -t* 



-;: '-'.' '-':• -;• <: -> -■ 



♦ '<• # # 









^Serpulorbis 

 bed at Cana. 



A 



Bluff 





Fossiliferous, 





? Helvetian 

 * * * * 



Up. Miocene. 



$ :£ :fc # 



Sconsia 

 laevigata. 



Limestone 

 cap Upper 



argillaceous 

 limestones 



with Sconsia. 



Upper bed 

 (3) of section. 



tTeredo 

 limestone at 



Caimito. 



f Area patricia 



beds. 



Change to 



aridity. 



B 



ci 



D 

 E 



F 



* * * * 



No. 

 1. 





calcareous 



gravels of 



Bowden, 



seemingly 



Gatun 

 beds with 

 Sconsia. 



Alum Bluff 



crossbedded 



sands and 



sands of 



Oak Grove. 



Burdi- 

 galian. 



Middle 

 Miocene. 



*i» *J* •!• *i* 



* * * * 



^ * * * 



Unexplored. 



* * * * 



* * * * 



a mixed 



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5(! :•: % * 



Aphcra 



islacolonis 



Lower 

 argillaceous 

 limestones. 



Gravels with 

 basal blue 



clays, lignitic, 



(2) of section. 

 Hard green 



clays and lig- 

 nite 



(1) of section. 



H 



Clays and 



gravels. 



Coral change. 



Upper I 



Clays, sands 



gravels and 



lignite 



Lower I. 



G 



Bluff No. 2. 

 Bluff No. 3. 



Bulla River 

 Bluff. 



fauna 



representing 



these two 



formations. 





Marls of the 



Chipola 



River. 



Upper 

 Aquitanian. 



Lower 

 Miocene. 



:Jc ^ :^ '-;' 



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! * * * * 



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% -I: * -: : 



Orthaulax 

 inornatus. 



Santo Domingo is the type locality of Gabb's Orthaulax but its exact location is not known, 

 probably the basal beds of the Eastern Yaqui Valley. This formationis older than Bowden where 

 Orthaulax has never been found. 



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* * I * * * * * * * * * * * * * * * * * * * * * * * * * * 



Possible lower formation represented by the Monte Cristi Range with Gabb's "Orbitoides." 



t Indicates position doubtful. t Possible commencement of Helvetian but very questionable 



Tampa silex 



; beds with „ ,. 

 „ ., , Rupehan. 



Orthaulax 



inornatus. 



:\: •■:. # * * * * * 



Oligocene. 



