DISTRIBUTION 



165 



13. Generalised Section of the Ayrshire Coal-field, showing Position of 



Mussel Bands. 

 Kindly drawn up for me by Mr. J. Smith, of Kilwinning. 



Red sandstone 



Strata with 10 Coals, 280 feet 



| Coal of the Shettleston Coal- 

 field 



Strata with 8 Coal beds at 

 400 feet 



Ironstone 



Bituminous shale at 408 feet 



Mussel-baud Ironstone at 41S 

 feet 



Strata with 1 coal and 2 oil 

 shales, 505 feet 



Ladyha Coal of Kilwinning 



Strata with 1 Coal and 1 Iron- 

 stone at 557 feet 



Ell Coal of Kilwinning 

 Strata with 5 Coals at 623 feet 



Blackband Ironstone of Dal- 

 niellington and Lugar 



Strata with 80 feet of volcanic 

 rocks, 24 Coals, 3 Limestones, 

 and 9 Ironstones, at 1652 feet 



Blackband Ironstone of Dairy 



Strata with 2 Ironstones at 

 1660 feet 



Strata with 1 Coal and 4 Iron- 

 stones at 1730 feet 



Thick shales with 16 Ironstones 

 at 1863 feet 



Strata with 7 Limestone beds 

 and 1 Coal at 1927 feet 



Shale at 1950 feet 



Volcanic series, 1000 feet thick 



Calciferous Sandstone with shale 

 beds 



With Anthracomya modiolaris. 



With Carbonicola acuta and Naiadites quadrata. 



With Carbonicola robusta. 



Willi Carbonicola robusta. 



With Carbonicola robusta. 



With Carbonicola in roof. 



With Carbonicola obtusa iu the roof shale. 



With Carbonicola robusta, C. turgida, and Anthracomya minima in the 

 Ironstone and shale roof. 



With Naiadites carinata and N. obesa. 



Carbonicola acuta and Naiadites quadrata in this shale band. 



Carbonicola acuta and small Naiadites in parts. 



With Naiadites crassa. 

 Casts of small Naiadites. 



