24 RAYMOND C. MOORE AND FREDERICK B. PLUMMER 

 CLASSIFICATION OF THE TEXAS PENNSYLVANIAN 



Thickness 

 in Feet 



Colorado River Valley 



Brazos River Valley 



Putnam 

 formation 



125-175 



/Coleman Junction limestone 

 \Santa Anna Branch shale 



Coleman Junction limestone 

 Santa Anna Branch shale 



O 



U 



Moran 

 formation 



150-200 



iSedvi^ick limestone 

 Santa Anna shale 

 Horse Creek limestone = ? 

 Watts Creek shale 



Sedwick limestone 



Shale 



Dothan limestone 



Shale 



Pueblo 

 formation 



150-200 



fCamp Colorado limestone 

 I Shale 



I Stockwether limestone = ? 

 [Camp Creek shale 



Camp Colorado limestone 



Shale 



Eolian limestone 



Shale 



HarpersviUe 

 formation 



200-275 



Saddle Creek limestone 



Shale and coal 



Saddle Creek limestone 



Shale 



Belknap limestone 



Shale and coal 



Crystal Falls limestone 



Shale and sandstone 



Thrifty 

 formation 



Breckenridge limestone 



Shale 



"Lower Chaffin" limestone 

 (Drake) = ? 



Shale 



"Speck Mountain" lime- 

 stone (Drake) = ? 



Shale and sandstone 



Breckenridge limestone 

 Shale 



Black Ranch limestone 

 Shale 



Ivan limestone 



Shale 



Avis sandstone 



Graham 

 formation 



100-600 



Wayland shale 

 Gunsight limestone 



Bluff Creek shale 



Wayland shale 

 Gunsight limestone 

 South Bend shale 

 Bunger limestone 

 Gonzales Creek shale 

 Jacksboro limestone 

 Finis shale 



Caddo Creek 

 formation 



30-150 



[Home Creek limestone 

 \Hog Creek shale 



Home Creek limestone 

 Hog Creek shale 



Brad 



formation 



175-250 



O 



U 



fRanger limestone 

 I Placid shale 

 I Clear Creek limestone 

 [Cedarton shale 



Ranger limestone 

 Seaman Ranch shale 



Graford 

 formation 



1 70-450 



'Adams Branch limestone 



Brownwood shale 

 Capps limestone bed 

 Rochelle conglomerate 



Adams Branch limestone 

 Brownwood shale 



Palo Pinto 

 limestone 



50-100 



Not present 



Palo Pinto limestone 



