Geologicax, Mat» 



C<ARB01^tt<ER'oUs''LiMESTONE SERIES 



BETWEEN THE Taff Valley & the Ebbw Valley 



GEOLOGICAL UNES FPOM THE PUBLISHED MAPS CF THE GEOLOGICAL SURVEY 

 MODIFICATIONS AND ZONAL SUBOIUISIONS 01 



BY T Franklin Sibly D Sc FGS 

 University Co llege of South Wales & Monmouthshire Cardk 



Q aurt. Journ. C eol, Soc. VoUMnPlXVI. 



