r.oTiDON— Ki'.oxrK r;Ki»s AMI in:.iK contain ki > T'ossii.s. .*>!♦ 



"^hc stone fo]- tln' noted Moimhui tenipje Mt .\!in\<>(<. Some of 

 those i.'iyers abound in chert. 



The ui>i)er division or (ieodc hr-d e(»nsists principally of 

 'ir<iillace<^us .shale thrcniirh \viiic!i the ircodes are more or less 

 t hickly disseminated. IJelovv it is nior;' caJcai-rons ajuJ con- 

 tains lli(> lai'irest Lj-eodos. 



11. Fine, blue saudv layei*. Rarely found. Se\t'n- 

 teon species. PoteiiorriniJiv. Jhilocrinii.s ht- 

 fjioiciffus Hall •') inche> 



30. Soft gritty siiale that dcc<Mnp()ses readily. Filled 

 with uchkIcs fr/»m size of marble to four inclies 

 in diameter 1 "> feet 



!♦. Shale, moreealcareous. (rcodcslaru-er; occasional 



bai«l.-> of linu'stonc 2(» feet 



J. CALCAltKOlS DIVISION. 



•s. Limestone, hard in thin varial)le layers 2 feet 



7. Shale, arijilla( eons 2 feet 



0. Limestone; layers thin and chorty below. Dori/- 

 <:re;r?/.s bed at toix'ontaininjy D. i}izssifisi'j)2Ufnsi's 

 Roemer; BatocnwiK nashvilhe Troost ; B. 

 hiturhiudtnn Hall ; Agarinooinus uoi-f/iFnt lii[]\ ; 

 Barri/m'nxfi fith<vlKs Hall: ArrJnm^df\s ou'e?ii- 



anu Hall ; and other forms "j feet 



Tk Blue, sub-crystalline limestone in layers six to 

 twelve inches thick alternatinir with similar 

 layers of shale. Sliell ben:!; notably Spirif't'i' 

 keoknk Hall ; Oi-tJ.is hvokiil\h\\\ ; and'fi^h teeth. 

 The uppiM- pai't is termed the upi)er ti-ih bed. . !» feet 

 4. Limestone, massive, white, sub-crystalline. Oc- 

 casional fish te;'th and s])ines. 'j'ermed th<' 



white led.ire -I fe.>t 



'■.\. Shal", hard, calcareous, ap[)roachin<r a rott n 

 lim"st()n*\ Occasional bands of chert. Pock- 

 ets of calcite. Acfiiiorrtnns, Afjaytcorrinia^^ 

 Barryrrinus magistt-r Il-dl. Th ■ layer con- 

 tainin<i: crinoid.s is not persistent. It occurs in 

 the upi)or part and usually associate d with reni- 

 fonii or lenticular mass s of ch"i't: calbd the 

 rolvbolv l»ed C fei t 



