BAILEY LIMESTONE. 169 



TABLE NO. 3. 



Little Saline Creek Area, Ste. Genevieve Co., Missouri. 1 



Bailey limestone — about 200 feet thick. 

 Upper member — about 100 feet thick. 



Interbedded chert and limestone; lower portion highly fossiliferous. 



Crystalline, highly fossiliferous, gray limestone about 5 feet thick. 

 Lower member — about 100_feet thick. 



Shaly zone with some chert; fossiliferous. 



Thin-bedded dolomite with nodules of chert a few inches in diameter. 



Western Tennessee. 1 



Decaturville chert — 6 +feet thick. 



"Porous gray chert." 

 Break. 

 Birdsong shale — 35-65 feet thick. 



"Bluish shaly limestone and shale." 

 Break. 

 Olive Hill formation. 



Flat Gap member — 0-53 feet thick. 



"Massive pure limestone." 

 Bear Branch — Pyburn member — 0-45 feet thick. 



"Massive limestone and oolitic hematite in north — impure cherty limestone in 

 south." 

 Ross member— 0-60 + feet thick. 



"Impure thin-bedded cherty limestone." 



Arbuckle Mountains, Oklahoma.' 



Bois d'Arc limestone — 0-90 feet thick, average 60 feet. 



"Thin-bedded crystalline and non-crystalline limestone with occasional chert 

 lentils and thin beds of intercalated yellowish shale." 

 Hargan shale — 0-166 feet thick, average 100 feet. 



"Alternating blue to white shales and thin-bedded earthy limestones which weather 

 into yellowish shales on long exposure." 



Gaspe, Quebec. « 



St. Alban beds — 160 feet thick. 



"Greenish calcareo-arglllaceous shales, which are interstratifled with less calcareous 

 layers, of various shades of red." — 90 feet. 



"Gray limestones in layers of from six to eight inches thick, which are separated 

 by bands of greenish calcareo-argillaceous shale, gradually increasing in amount towards 

 the upper part." — 70 feet. 



Dalhousie, New Brunswick. 1 



Dalhousie formation. Feet. 

 "From this point * * the section is concealed * * for a distance of 

 400 feet * * The total thickness of the sedimentary series * * is * * 

 approximately 430 feet * * 



16. Coral reef limestone * * shaly in lower part 35 



15. Thin white limestone 1.5 



14. Barren shales 15 



13. Ash bed with Rensselaeria stewarti 1 



12. Blocky calcareous shale with gastropods (Coelidium) 2 



11. Ash beds alternating with thin limestones and shales all highly fossil- 

 iferous * * ' 30 



10. Soft shales with lamellibranchs 10 



'Data from forthcoming report on Ste. Genevieve Co., Missouri, by Stuart Weller. 



•Dunbar, C. O., Tenn. Geol. Surv., Bull. 21, p. 27, 1919. 



•Reeds, C. A., Am. Jour. Sci., vol. 32, 4th ser., pp. 264, 265, 1911. 



'Logan quoted by Clarke, J. M., N. Y. State Mus., Mem. 9, pt. 1, p. 26, 1908. 



'Clarke. J. M . N. Y. State Mus., Mem. 9, pt. 2, pp. 11-12, 1909. 



