Weno and Pawpaw Formations 39 



WENO: 



Chalky limestone; contains: Ostrea sp. aff. diluviana, Ostrea curinata (?) 

 Lamarck, Pachymya austinensis Shumard, Homomya sp., Schloenbachia 

 sp. (M.), Pecten subalpinus (Bose), Pecten texanus Roemer, Plicatula 



sp., Nodosaria texana Conrad, and many other species 13.5 



Yellow marl with many limestone bands, poorly exposed 36.2 



Hard white limestone, fucoid, with Gervilliopsis invaginata .5 



Brownish yellow marl, about ' 15.0 



SECTION OF PAWPAW AND WENO FORMATIONS EAST OF KATY LAKE 



AND EAST OF SYCAMORE CREEK, ABOUT THREE AND ONE-HALF 



MILES SOUTHEAST OF FORT WORTH, TEXAS 



Section furnished by Gayle Scott 



Section is from creek bed to upland; direction of section, 92 degrees from magnetic 

 north. 



MAINSTREET: Feet 



Weathered limestone : 15.6 



Limestone ledge, with slight terrace above 2.7 



PAWPAW: 



Terrace, covered with soil and water-soaked, marl base; contains a sandstone 



ledge two feet below top - 10.4 



Red, ironstained, slightly sandy marl, with numerous small pyrite fossils; 



characteristic weathering of receding Pawpaw hillsides 12.0 



Yellow marl, in part soil-covered overlying the flat narrow terrace formed 



by top member of Weno limestone L : 3.0 



WENO: 



Hard limestone ledge, partly concealed, about 3.2 



Disintegrated thin limestone ledges alternating with marl layers of varying 



thickness, partly concealed by limestone debris and soil 10.5 



Limestone ledge, impure, yellow, heavily ironstained, indurated ledge, con- 

 taining Pentagonaster texensis Adkins and Winton (rare), and small 

 starfish, indet. (fairly numerous). This ledge forms the base of the 

 abrupt upper Weno terrace, and is easily recognizable in the Fort Worth 

 region. PENTAGONASTER ZONE 1.0 



Yellow marl, heavily ironstained, containing thin limestone ledges. NODO- 

 SARIA TEXANA HORIZON 6.0 



Disintegrated limestone, capped by a thin limestone ledge 3.2 



CONCEALED. Interval contains Gervilliopsis Zone 28 . 5 



Heavy limestone ledge, impure, fucoidal, yellow, and slightly less resistant 



than the one mentioned below .9 



Blue marl (pipe clay), weathering to gray, fractures on drying into small 



blocks 3.5 



Heavy limestone ledge, fairly pure, very resistant, containing Pecten texanus, 

 Pecten georgetownensis. In many places forms the bed of Sycamore 

 Creek 1.5 



Blue marl (pipe clay), gray on weathering, and having a very fine texture 5.2 



