DEPOSITED IN WATER. 
67 
} 
In the direction of Stonesdale, 
Various grit rocks and plates 
‘ Millstone grit’ of Old Moulds ... 
Plate 
Reddish cherty sandstone ... ) 
Black plate ... j 
Platy cherty grits, reddish externally, 
bluish gray, spotty, shelly and cri- 
noidal within (crow chert) 
Plate and hard bands 
Upper chert group ^ 
‘ White grit’... 
{ Plate, &c.... 
Dark cherty bed of limestone.. 
Plate 
Main limestone. 
Tan hill colliery, (kingpits), 
Various grits and shales. 
{ Gritstone... 
Plate 
Grit, coarse 
f Coal, 27 in. to 4 ft. 
Upper cherts and J Plate, &c. 
plates ^ Coal, bad 
(.Plate, &c. 
White grit ... 
{ Black chert, &c. 
Plate 
Main chert 
Feet. 
Feet. 
607 
60 
50 
80 
80 
2 6 
40 
920 
Feet. 
60 
18 
84 
1 
162 
20 
10 
15 
} 
45 
507 
Thus we find, as a general rule, in Swaledale and Arkendale, 
thick gritstone rocks above the chert and plate series; in the midst 
K 2 
