Chap. III.] 
THE STIPEK STONES. 
39 
with anthracite, small flakes of which are disseminated through the rock. 
In following these ledges of quartz-rock, whether to N.N.E. or S.S.W., 
The Eastern Face op the Stiper Stones. 
we find them passing into coarse grits and siliceous sandstone. At Nils 
Hill, close to Pontesbury, where the ridge has subsided to a low elevation, 
the rock loses much of its altered character, and, being largely quarried as 
The Western Face op the Stiper Stones. 
a road-stone, is much more clearly exposed than in the higher parts of its 
range. The strata dip at the high angle of 60° to 70° to the "W.N.W., 
and are there exhibited in a thickness of from 800 to 1000 feet. The 
beds, varying in dimensions from a few inches (many of them being 
' flagstones') to two and three feet, are separated by way-boards of sandy 
