206 DAVIS : SECTIONS IN THE LIASSIC AND OOLITIC ROCKS OF YORKSHIRE. 
central part are composed of a calcareous sandstone, exhibiting much 
false bedding and varying considerably in different localities. The 
sandstones are 25 feet to 30 feet in thickness, and change in their 
lower part to a loose sand, the lime having been dissolved out. The 
upper beds, on the contrary, become more calcareous and assume an 
oolitic structure as they approach the beds of the Coralline Oolites. 
These rocks are represented to some extent in the accompanying 
figure, which represents a section at Carr Naze, west of Filey Brig. 
The passage beds are represented resting on the Lower Calcareous 
Grit, which is replete with large doggers called the Ball beds, and 
FIG. 8.— SECTION ACROSS PART OF THE CARR NAZE, FILEY BRIG. 
contain numerous fossils. The lower beds form a series of brown and 
grey grits. The connection of these beds with the passage beds 
exhibited in other localities, as for example at Scarborough Castle or 
Hackness, is much obscured, and it is only on the evidence of the 
