120 



C. W. TOMLINSON 



een strata above ana be- 

 Fita-bUshed <m pK^sical 



evidence. 



J v vv Ji X3'i3conform.'ity between strata above. 



rui belo. 



this Kof Lion su 33 c-stre-i bypW 

 it»«to. present: 

 Member or wenvbe-rs between; neatest* defined 

 bouniof'it s- ore represented by strata with. 

 tVtcfenesi Vv\<i(.cot.c-<L bvj Weight of colu-m-n.. 

 Strata, thuj shown inoAj i-nttuJe representatives of 

 higher or lower me-mbeT* (atcordina, to the 

 MsiUoT\ ofthfliot) of wOtaj of those directU 

 'indicated *. but" -no representatives of members 

 b«3«t»-ei tK« neVt defied kouriiarw are indu.- 

 ded- l/neertaint^ due To lack of detail In pui>- 

 V* sheet descriptions, or to poor exposure 



CE 



WKUe 



ft rata. 



^ ftw 



3Tfat i graphic position uncertain bficans 

 lacKof deta.l in published descriptions ■ 



Lithologic characters topical-, position uncer- 

 tain because, of isolation in the sequence 

 and lack of fossWs. 

 Li.TKol.031c characters not fulWfypica) of thU 

 member; strut ia rapK'ic position therefore 

 in doubt- 

 rfo Substantial evidence of Hiatus between 

 t«Cs« ntember* noted in arxij of these section, 

 Reduced tVucfcnesS *f T^e-mberj ndt inipTobo^Kj 

 due To flower rate .of depositi*-*- In the 

 Ordovlclanjtnfcmbftr 9 ( wtefe shown, may bo con- 

 t©inpor3*»oouj with part of member - 8 el other 

 -sections. In the DeveWian c) Cr«xdall 

 a-nd t>eo-A Indian Creeks, member I «\a*j b«. 

 contemporaneous wctn part «f member 2. of 

 the Bl*t>fihitli Fork section. 



>Ack ?J r«uwA U itippladtctKrrmrtht iecton* into relief 



Fig. 4.— Correlation diagram for the Oi'-dovician system, drawn to scale 



