Weno and Pawpaw Formations 47 



601 Pit of Gainesville Brick Company, brickyards one and three-fourths miles south- 



east of Gainesville, Texas, just east of Rock Creek (branch of Pecan Creek) 

 and just south of the Missouri, Kansas and Texas railway (Wichita Falls 

 branch). Includes the ironstone dump on east rim of pit. Shale faciee 

 basally; ironstone and sand facies above. 



602 East bank of Sycamore Creek, two and one-half miles southeast of Fort Worth, 



Texas. Marl facies basally; limestone facies above. 



604 Cut of St. Louis and San Francisco railway, three-fourths mile north of Union 



Station, Denisoh, Texas. Shale facies basally; ironstone and sand facies 

 above. 



605 A branch of Duck Creek, three-fourths mile north of Union Station, Denison. 



Texas, and just west of locality 604. Shale facies. 



606 Exposure in valley just south of St. Louis and San Francisco track, two miles 



north of Denison, Texas. Shale facies. 



611 Waterfall 200 yards south of crossing of International and Great Northern rail- 



way over Houston and Texas Central railway track near Sycamore Creek, 

 three miles southeast of Fort Worth, Texas. Marl facies. 



612 Cliff on northeast bank of Sycamore Creek, 100 yards north of the Houston and 



Texas Central railway bridge across Sycamore Creek, three miles southeast 

 of Fort Worth, Texas. Marl facies basally; limestone facies above. 

 618 Area in valley east of Armstrong Iron Works, South Hemphill street, Fort 

 Worth, Texas, and west of the International and Great Northern railway 

 track. Marl facies basally; limestone facies above. 



THE PAWPAW FAUNA 



As already stated, the bulk of this fauna is limonitic, pyritic or hema- 

 titic, but there are in addition some fossils with calcareous preservation. 

 The calcareous fossils are echinoids, pelecypods, a few cephalopods and 

 other miscellaneous fossils. The echinoids of the basal portion of the for- 

 mation are mainly limonitic, but those of the upper, marlier portion over 

 all of the Pawpaw outcrops except in the Red River region, are calcareous 

 mud-filled tests. 



LIST OF PAWPAW LOCALITIES 



714 One-fourth mile south of the International and Great Northern railway bridge 

 across Sycamore Creek, four and one-half miles southeast of Fort Worth, 

 Texas. Entire thickness of Pawpaw, somewhat overwashed at top; north- 

 eastward facing slope of hillside, and beneath the slope a considerable terrace 

 on the top of the Weno limestone. Clay facies basally; some marl at top. 



716 Amphitheater one-half mile northeast of locality 714. Entire thickness of Paw- 

 paw formation exposed. 



716 Pit of Cobb Brickyards, one-fourth mile east of Sycamore Creek and three miles 

 southeast of Fort Worth, Texas. 



718 Cut of International and Great Northern railway track one-fourth mile south of 

 bridge across Sycamore Creek, four and one-half miles southeast of Fort 



