212 



FIELD GEOLOGY. 



At 1280 feet. Fire-clay, 4' thick. 



Shales. 

 1560 " Bottom Coal," rising North, 1' 3" thick. 



Shales. 

 ,,1640 Grit " Farewell Eock." 



All the layers below the Freestone rise North at about 

 15. 



( Bunter 

 JH < Sandstone, 

 I 100'. 



r Middle 

 Permian, 

 360'. 



Lower 

 Permian 



Coal- 

 measures, 

 900'. 



Millstone 

 L Grit. 



Mottled Sandstone. 



Magnesian Limestone. 



Brown and Red Micaceous 

 Sandstone. 



" Three-foot" Coal, 3 7 3 r/ . 

 Layer of Iron-stones. 

 Limestone, 8' 0". 



" Thin Coal," 1' 6". 



" Lower Three-foot" Coal, 3' 0". 

 Fire-clay. 4' O' 7 . 



" Bottom" Coal, 1' 3". 



Fig. 23. 



