t2 "baker's north Yorkshire:. 



of nearly one thousand feet, and is made up of not less than 

 five distinct bands of Umestone, with intermediate beds of non- 

 calcareous constitution, as follows, viz. : — ■ 



Feet. 



The main or twelve fathom limestone 70 



Laminated grit and plate, with ironstone 



and coal So 



The underset limestone 30 



Gritstone, flagstone and plate, with coal and 



impure limestone 350 



The middle limestone 30 



Gritstone, flagstone and plate 150 



The Simonside limestone 20 



Flagstone, gritstone and plate 100 



The Hardraw limestone 40 



Gritstone and plate 100 



Total thickness of the series, 970 feet. 

 190 feet calcareous, 780 non-calcareous. 



Of these bands of limestone the Main, or upper, is the most 

 conspicuous, the Middle and Simonside bands least so. Every- 

 where in the neighbourhood of Hawes the Main Limestone 

 may be seen at a height above the sea of about 1,800 feet. As 

 we proceed from Hawes southward in the direction of Craven, 

 we have, as before stated, the plane of the stratification of the 

 lower mountain limestone series sloping upwards and at the 

 head of the Ribble 150 feet higher than at Hawes. In this 

 direction the space between the Main and Underset bands of 

 limestone grows thinner, till at last they are united together 

 into one mass on the south side of Cam Fell. As the series is 

 shown on the north side of the great Craven Fault, a still 

 further contraction of the non-calcareous interpolations as com- 

 pared with the Hawes section is seen. In Penyghent the 

 upper surface of these Yoredale Rocks is 1,900 feet above the 



sea-level and its beds as under, viz. : — 



Feet. 



The upper or Cam limestone 60 



Gritstone, flagstone and plate 225 



The middle limestone 20 



Plate, etc 92 



The Simonside limestone 20 



Gritstone and plate 62 



The Hardraw limestone, with thin plates... 40 



519 feet. 



