[Quart. Journ. Geol. Soc. Vol. Mil, 

 Table III. — Correlation or the Tarannon Bocks. 



Tarannon District. 



Moffat. 



0il van. 



Rhayader. 



Lake District. 



WENLOCK SERIES. 



RICCARTON BEDS. 



IiAILLV SERIES. 

















■2. Fynyddog Grits. 











1. Nant-y3golloix Shales. [ 





















x "'■'" '"'"""'■ 



Zone ofC. .««.■,/»■ .- 



1. Blair Pings and Shales, i 





TARANNON SERIES. 



GALA oa QUEKNSUKliKV 



, 



UROVVIiILL BEDS. 







(.■) Drumyork Group. 





4. Dolgau Group. 



Upper Hawick Beds. 



IM Bargany Group. 



Upper Browgill Beds. 



3. Talerddig Group. 



Grieston BedB. 



[a) Penkill Group. 





•2. Gelli Group. 



Buckholm & Gala Grits. 



i.'li I'ro/tirirt/itl.n-it, -iirit* Rhayader Pale Shales. 



Ijower Browgill Beds. 



Zone of .V.™^*. 



w&bjr.£gpiH«id 



With.!/. ,,,■.;,,„, etc. 



Zone of Jf. ,:■;,,,,„. 



1. Brynmair Group. 



Abbotsford Flags. 















With R. maxmm. 



fr;::;:-"" s; 





Zone of Jf. (.mV.l.to. 



LLANDOVERY SERIES. 



B1RKHII.L SHALES. 



NBWLANDS SERIES. 



LLANDOVERY SERIES. 



SKELGILL BEDS. 















(Zone of B. n»i ..) 



. (<•) Camregan Group. 

 (With R. maxim,,,.) 





(ZoneofR.m,.x™.„.) 



3. Twymyn Group. 





. (6) Saugh-Hill Group. 



Caban Group. 







Zone of .1/. ,v,./7.ri.7,i 



at. Seojieit/Hi-Hous. 







Zone of r'.jj;,,!..,,,,,^,,. 



Zone of C. rantrto. 





\\M,M S ■;. 



z " 1 ""' ■"'*■'"""•'''' 



2. Dolgadfan Group. 







Gwastaden Group. 





& |( „ ,.„„„,,„,„. 





Woodlnnd 



Zone .,1 Jf. COm>oJ«(«». 



Z tM o,,,,,,,. 













Zone of at.ftvj>rmtm. 





Gleufiballocli Sliales. 



Zoue of Jf.Jimii-ioeiM. 



Zone ol .1/ Ji«,hrmt„s. 



1, Fachdre Group. 











Zoln-o,' / Hint ■>■)•/«• tint ft its 



""'"" , ""' 



(,,) Mulloch-Hill Group. 



Zone of Jf. ,„,;„„ 



Zone of Jf. ('. ». 



2. Dyffryn Flogs. 



'""::;„;,',.„!',' '''""'"' 







MnlWIi. II.il S.'.n.i-t .... 

 MullochHill Grit. 



'• 0,ri g;i?,7 





