PAL J^.OZOIC 



CAEBONIFEROUS GROUP, 



Coal 

 Mea- 

 sures. 



Rod Sandstone sc- 

 ries — Nofossih. 

 Coal measures — 

 Cnals, Shales, anil 

 Ironstones, foxxH- 

 iferous. 



NORTHUMBER- 

 LAND AND 

 DURHAM. 



fi. Upper mea- 

 sures witl) thin 

 Coals. 



Ij. Middle meu- 

 sures with thick 

 Coals,and Plants. 



c. Lower mea- 

 sures or Ganister 

 beds with thin 

 Coals. 



LANCASHIRE, 

 DEKBTSniRE, AND 

 SOUTH YORKSHIRE. 



a. Upper measures 

 with Limestones and 

 thin Coals. 



h. Sandstones. 



<■. Middle measures 

 with thick Coals. 



d. Lower measures 

 or Ganister t)eds witli 

 thin Coals. 



SOUTH WALES, 



CENTRAL AND 



WEST OF 



ENGLAND. 



n. Upper Coal mea- 

 sures with bed of 

 SpirorbisLimestone 

 in places. 



h. Pennant — Mid- 

 dle Coal measures 

 S. Wales and Bris- 

 tol Coal fields. 



Kurthern Si'i-ies. 



Upper and Mid- 

 dle Coal measures 

 with thick Coals. 



Lower Coal mea- 

 sures with Ma- 

 riiie Shelh. 



IRELAND. 



Soiillwrn Si'i'irs. 



Midtllc Coal measures with 

 thick Coals. 



Lower Coal measures with thin 

 (.'oals and lijnrhip Shflls. 



Mill- 

 stone 

 Grit. 



Carb. 

 Lime- 

 stone 

 Series. 



Sandstones and 

 Ironstones — Mn- 

 rhie Fossils. 



r Coals. 



a. Upper Group — 

 Marine with occa- 

 sional brackish wa- 

 ter deposits. 



/;. Middle Grouji — 

 Coals and Iron- 

 stones, few- Marine 

 Fossils. 

 Shales. 



c. Lower Grou)) — 

 Coal, Marine, 



A series of alter ". Grits and Shales, 



nating Grits and l>. Flags (Hasling- 



Shales. ton Flags). 



c. Shales, Grits, and 

 Kinder-Scout Grit. 



<i. Shales — Yorc- 

 dale beds. 



b. Shales with thinly 

 beddedhardfineSand- 

 stones(Yoredale Sand- 

 stones). 



c. Black Shales with 

 thin earthy Lime- 

 stones. 



o 



Limestones with 

 Coals, Shales, 

 Grits, and Sand- 

 stones. 



Limestones 

 Shales. 



and 



Solid Red and Gray 

 tine-grained Grits 

 and Conglomerates 

 — (here and there 

 thin beds of coal). 



<t. U]iper Shales 

 and imi>urc Liuie- 

 stones. 



b. Thick bcddei! 

 Limestones. 



e. Lower Lime- 

 stone Shales, thin 

 bedded Limestones 

 and Sandv Shales. 



Millstone Grit. 



n. Shales with 

 Ironstones, Yel- 

 low Sandstones 

 (Fermanagh). 



li. I'pjier Lime- 

 stone. 



c. Calp or Mid- 

 dle Limestone. 

 Lower Linie- 

 stflne. 



Shales, Sand- 

 stones, and Cou- 

 glouierates. 



Flagstone Series. 



Shale Series. 



.S. ft'. Comities. 



Carboniferous 

 Limestone. 



Upper Linn.'- 

 stoni'. 



Calp or Mid- 

 dle Lime- 

 stone. 



Lower Lime- 

 stone. 



Lower Carbon- Lower Lime- 

 iferons Slate stone Shales. 

 withCoondiola 

 Grits. 



Calci- 

 ferous 

 Sand- 

 stone 

 Series. 



a. Upper or Ce- 

 ment stone Grou]) 

 — Bnrdie House 

 beds and Wardie 

 Shales. 



b. Lower Group — • 

 Red Sandstones and 

 Conglomerates. 

 Upper Old Red 

 Sandstone — ? Car- 

 boniferous. 



•a 



ID 



d 

 a 



o 



3 



Wniite and Gray 

 Sandstones with 

 Greenish Gi*ay 

 Shales, Cement 

 stones and Lime- 

 stones. 



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