TT^GEOLOGTC At ~ SU RVEY PROFESSIONAL ^APtr 



ri PLATE I c 



OUHTERNARY 



40" 



38' 





;J6 



34' 



o 



/ 



O 



O 

 N 



z 



UJ 



o 



r 



ilOCENE L*TCR rEfiTHR> 



K*2^ 



MARINE 

 0LI60CENF 



140° 





CONTINENTAL MARINE EOCENE CONTINENTAL 

 OLIGOCENE EOCENE 



J38° 



EARLIER EARLIEST TEP|TIAR< UPPER 



TERTIARY OR LATE!" CRETACEOUS 



CRETACEOIUS 



J36' 



] n 



JURASSIC TRIASSIC 



TRIASSIC AND PERMIAN PENNSYLVANIAN MISSISSIPPIAN CARBONIf EROUS DEVONIAN 



JURASSIC UNDIVIDED 



> 



< 



UJ 



7 



LEGEND 



QUATERNARY 

 fAUiiviiiit I . Itiiit sli III )• itiiil ilt'sei-t 

 basin th'inisits.i/liiiiiil ihil'l ,bi',u-li 

 tiri)/ )/n/ii' siiiitls. lint/ nuuuif ilt'/msits. 

 S/iDwn itn/y w/wfy luiili-ilyiiiii liifm 

 ntutiis nil' mmplfifly ronica/i'ii) 



PLIOCENE 

 (Miniiii- ili'fiDSi/s of'l/ifAtlnndi-.Piiri/if, 

 unit dull wlirii' JisliiK/iiisfifiiif/sfwhf/r 

 niiiiineFUi)ceru' inii/ifiril ns LiiIit Teitiary" 

 or inrliitlt'd willi Qnntrrnaiy: fstiintine 

 A/tnnin/ui ill (ieorffia;Laf(Lyette in geneful 

 lint in lipped) 



> 



MIOCENE 



(Aliuuie deposits iit'thfiAtlanti<\Fax:ifix: 

 and liult'wheii' disliiiijiiisfied. El si' 

 wlie/f iiiiifipi'd lis Liiter Ti'itiitry") 



5d 



LATER TERTIARY 



MIOCENE AND PLIOCENE 

 (Maiine d^'posits ol' the Pa<-i/ii- mid 

 western Gulf.wliere Mii'ieiie mid I'lio 

 cene lU-e rutt sefuiralely nitifif>e</; ii/si> 

 t'eiitfiil mill .Si>iitli Aiiieriiir. I'luviatile 

 iiiiil iiuiisliine l>eds itf'Ihe fnterioij 



:< 



MARINE OLIGOCENE 

 {Aliuiiie deposits of the Atlanlir and 

 thil/'Afiip/ied as Kaiiier Tertiary" in 

 Central Aniejira a/id on Paritic Coast) 



5c 



CONTINENTAL OLIGOCENE 



(Wliitt> River of the Interior) 



I 5b ; 



MARINE EOCENE 



(Aliiriiie ili'posils of l/ieAt/an/ir and 

 (iid f.iiiid estiiarine deposits ol tlie 

 Aiissi ssijipi einltaynient .Mapped with 



h\.,I.. 



t'.,. 



V. EARLIER TERTIARY 



EOCENE AND OLIGOCENE 

 lAfiirine de/u'Si/s of Cent/a/ A/neiirri. 

 H7-.s/ Indies, and /'aei/i/- i'oa^t:eoal 

 tiearilii/ Piufet and Keiiai iifl'iieilie 

 Const. Miipped sr/iatiifety on tlie Allan 

 lit- and I rill f roasts J 



