



COAL BASIN 



BLOCK S.E. 



of the 



CHOCTAW FAULT 



BLOCK S.E. 



of the 



KATY CLUB FAULT 



BLOCK S.E. 

 of the 

 PINE MTN. FAULT 



BLOCK S.E. 

 of the 

 Tl VALLEY FAULT 



CO 



o 



K 



UJ 

 U. 



z 

 o 



K 



< 

 O 



z 

 < 



z 

 < 



> 



> 



CO 



z 

 z 



UJ 



a 



McAlester sh. 

 Hartshorne s s. 

 Atoka fm. 

 Wapanucka Is. 



Springer fm. 



Atoka fm. 

 Wapanucka Is. 



Springer fm. 



Atoka fm. 



Chickachoc 



chert 

 Springer fm. 



Atoka fm. 

 Springer fm. 



Atoka fm. 

 Johns Valley sh. 



Jackfork ss. 

 Stanley sh. 



CO 

 CO 



Caney sh. 

 Sycamore Is. 



Caney sh. 



Caney sh. 



Caney sh. 

 Sycamore Is. (?) 





DEVON- 

 IAN ? 



Woodford chert 



Bois d'Arc Is. 

 Haragar. sh. 







Woodford chert 



Pinetop chert 

 Unnamed Is. 



Arkansas 

 novaculite 



DEVON- 

 IAN 



a 



3 



o 

 a. 

 o 



z 

 o 



1- 

 t- 



X 



z 

 < 

 S 



_l 



Henryhouse sh. 

 Chimneyhill Is. 









Missouri 

 Mountain sh. 



Z 

 < 



o 



> 

 o 

 o 



K 

 O 



J 



Sylvan sh. 

 Fernvale Is. 

 Viola Is. 

 Simpson group 



Arhii^klA nrnnn 









Polk Creek sh. 



Bigfork chert 

 Womble sh. 



CAM^~ 

 BRlAf* 



Reagan ss. 











Fig. 14.3. Sequence of strata characteristic of each of the structural blocks of the Black Knob 

 Ridge area of the western end of the Ouachita Mountains. After Hendricks, 1943. Katy Club 



fault is a minor shear along the line of cross section in Fig. 14.5. The Stanley shale is now 

 considered Upper Mississippian. 



