18 Sidney Melmore—The St. Bees Sandstone. 
The general character of the sandstone is so well known as to need 
Under the microscope, specimens from 
no further description here. 
this area exhibit a few cases of secondary deposition of silica on 
quartz. The average thickness of these secondary layers is about 
0°02 mm. : 
West Newton 
xe x 
Jn Aspatria 
|° Maryport ty Flaiston 
: NN 
Gos forth 
Fic. 1.—Map of West Cumberland, showing localities mentioned in the text, 
with the observed dips. . 
Samples of this sandstone were taken from St. Bees Head, a quarry 
near the village of St. Bees on the road to Egremont, a quarry near 
Whinseales, Egremont, and from a quarry at Calder Abbey, near 
Full analyses were made of the samples from 
Calder Bridge. 
St. Bees Head and Calder Abbey as representing the northern and 
southern portions of the area respectively. 
