CLASSIFICATION OF GEOLOGICAL FORMATIONS OF TENNESSEE 11 



Table of the geological formations of Tennessee — 'Continued 



Eras. 



Periods. 



Epochs. 



• 



Carboniferous. 



, 1( -, A T\T,-„„,-„„; ,•„„ f Mountain limestone. 



24. 1 A. Mississippi gaint Louig ]imestone . 



29 \ or \ Tullahoma formation. 



oT' a,-,K n„».K^v,,-^,.^„c 1 Maury Green shale ; Ball or 



21. j Sub-Carboniferous. [ Ki / ney phosphate. 





Devonian. 



20. Black shale. (Chattanooga shale.) 



19. Swan Creek phosphate. 



18. Hardin sandstone. 



17. Camden chert. (Oriskany.) 





Upper Silurian (or 

 Silurian). 



16. Linden limestone. (Lower Helderberg.) 



lfl. Clifton limestone. (Niagara.) 



14. Roekwood beds. (Clinton.) 



13. White Oalc Mountain sandstone. 



12. Clinch Mountain sandstone. (Medina.) 



11. Clinch Mountain Red shale. 



III. Paleozoic. 



Lower Silurian (or 

 Ordovician). 



( 



© 



Pi 

 cS 

 Oi 



8. I 

 7. I 



{Middle and West Tennessee.) 



10a. Hudson. (College Hill ; 

 Cincinnati.) Hudson 

 phosphate. 

 East Tennessee.) 9a. Nashville. (Trenton.) 

 r^PviPr shale (9) Stromatopora. 

 beviei snaie. (/) Cyrtodonta. 

 Includes the fob yJ w? . 

 lowing interpolat- ^ ™ a ™- 



t w^S : W Capitol. Mount 

 (c) Upper red mar- Pleasant p h o s - 



(b) Crinoid bed. , M nS-ni?" 



W"i r: Ume - gg*ft r . (Elack 



r river ) 



^ni^Tm^tJS? 16, 8 «- Stones riv ^- (Chazy.) 

 ,enoir limestone. (d) Le banon. 



(c) Ridley. 

 (6) Pierce. 



(a) Murfreesboro. 

 (Central.) 

 [nox dolomite (upper part). 





Cambrian. 



6. Knox dolomite (lower part). 



5. Knox shale. f Coosa shale; Montevallo 

 4. Knox sandstone. ( shale and sandstone. 

 3. Chilhowee sandstone. (Weisner sandstone.) 



II. Eozoic. 



2. Oooee. (Algonkian? 

 Talladega.) 



Partially crystalline, conglomerates, and slates. 



II. Eozoic. 



AND 



I. Azoic. 



1. Crystallines. 



Provisionally made to include : 

 (6) Crystalline Ocoee f Mica and other metamor- 

 _, ! phic schists. Gneisses, 

 i granites, syenites. Dikes 

 (a) True Arehean. [ of igneous rocks. 



The name " Crystallines," suggested by Dr Eugene A. Smith, is used provision- 

 ally for the reason that the Tennessee Arehean has not been satisfactorily sepa- 

 rated from the crystalline Ocoee. 



" Ocoee" was originally used by me * to include the mountain strata so grandly 



* Geology of Tennessee, 1869. 



