PALEOZOIC. 



CARBONIFEROUS GROUP. 



Coal 

 Mea- 



SCOTLAND. 



Red Sandstone se- 

 ries — No fossils. 

 Coal measures — 

 Coals, Shales, and 

 Ironstones, fossil- 

 iferous. 



NORTHUMBER- 

 LAND AND 

 DURHAM. 



a. Upper mea- 

 sures with thin 

 Coals. 



b. Middle mea- 

 sures with thick 

 Coals,and Plants. 



c. Lower mea- 

 suresor Ganister 

 beds with thin 

 Coals. 



LANCASHIRE, 

 DERBYSHIRE, AND 

 SOUTH YORKSHIRE. 



as. Upper measures 

 with Limestones and 

 thin Coals. 



b. Sandstones. 



c. Middle measures 

 with thick Coals. 



d. Lower measures 

 or Ganister beds with 

 thin Coals. 



SOUTH WALES, 



CENTRAL AND 



WEST OP 



ENGLAND. 



a. Upper Coal mea- 

 sures with bed of 

 SpirorbisLimestone 

 in places. 



b. Pennant — Mid- 

 dle Coal measures 

 S. Wales and Bris- 

 tol Coal fields. 



Northern Serifs. 



Upper and Mid- 

 dle Coal measures 

 with thick Coals. 



Lower Coal mea- 

 sures with Ma- 

 rine Shells. 



IRELAND. 



Southern Series. 



Middle Coal measures with: 

 thick Coals. 



Lower Coal measures with thin 

 Coals and Marine Shells. 



Mill- 

 stone 

 Grit. 



Carb. 

 Lime- 

 stone 

 Series. 



r Sandstones and 

 Ironstones — Ma- 

 J rime Fossils. 



Coals. 



a. Upper Group — 

 Marine with occa- 

 sional brackish wa- 

 ter deposits. 



b. Middle Group — 

 Coats and Iron- 

 stones, few Marine 

 Fossils. 



Shales. 



c. Lower Group — 

 . Coal, Marine. 



A series of alter- 

 nating Grits and 

 Shales. 



•3 

 -a 



© 



u 

 o 



>< 



Limestones with 

 Coals, Shales, 

 Grits, and Sand- 

 stones. 



a. Grits and Shales. 



b. Flags (Hasling- 

 ton Flags). 



c. Shales, Grits, and 

 Kinder-Scout Grit. 



a. Shales — Yore- 

 dale beds. 



b. Shales with thinly- 

 bedded hard fine Sand- 

 stones( Yoredale Sand- 

 stones). 



c. Black Shales with 

 thin earthy Lime- 

 stones. 



Limestones 

 Shales. 



and 



Solid Red and Gray 

 fine-grained Grits 

 and Conglomerates 

 — (here and there 

 thin beds of coal). 



Millstone Grit. Flagstone Series. 



a. Upper Shales 

 and impure Lime- 

 stones. 



b. Thick bedded 

 Limestones. 



c. Lower Lime- 

 stone Shales, thin 

 bedded Limestones 

 and Sandy Shales. 



a. Shales with 

 Ironstones, Yel- 

 low Sandstones 

 (Fermanagh). 



Shale Series. 



6. Upper Lime- 

 stone. 



c. Calp or Mid- 

 dle Limestone. 

 Lower Lime- 

 stone. 



Shales, Sand- 

 stones, and Con- 

 glomerates. 



S. W. Counties. 



Carboniferous 

 Limestone. 



S. E. Counties. 



Upper Lime- 

 stone. 



Calp or Mid- 

 dle Lime- 

 stone. 



Lower Lime- 

 stone. 



Lower Carbon- Lower Lime- 

 ifcrous Slate stone Shales. 

 withCoomhola 

 Grits. 



Caloi- 

 ferous 

 Sand- 

 stone 

 Series. 



a. Upper or Ce- 

 ment stone Group 

 — Burdie House 

 beds and Wardie 

 Shales. 



b. Lower Group — 

 Red Sandstones and 

 Conglomerates. 

 Upper Old Red 

 Sandstone — ? Car- 



i boniferous. 



.§ r White and Gray 

 Sandstones with 

 Greenish Gray 

 Shales, Cement 



% stones and Lime- 

 stones. 



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