Lesley, 



36 



[May. 



Coal, good, 



slate, 



Coal, poor. 



Coal, crusbed and slate. 



Coal, poor, 



Coal, crusbed and slate, 



Coal, good. 



Coal, good, 



An outcrop of black slate seems to represent the place of a third 

 bed of coal, about 50 feet above coal B. About 550 feet still higher, 

 the red shales set in and continue for many hundred feet, all at the 

 same dip of about 45°, with great regularity, until limestones appear 

 just at the fault. This section is represented in Fig. H. 



On the northeast side of New River, where it enters the gap, a 

 minor fault, in the opposite direction, has downthrown the coal of the 

 mountain, so as to cause the outcrop of coal A to disappear, with steep 

 mountain dips. But coal B shows four feet of good solid coal, with 

 five feet of slaty coal on top. (See Fig. D.) 



At Poverty (lap, further east, both beds appear with a dip of about 

 17° J south 13° east, 45 feet apart; A yielding 3 feet of excel- 

 lent coal, and B eight feet thick, slaty and crushed on top, soft and 

 sandy in the middle, and hard, fine, blacksmith coal 3 feet at the 

 bottom. Cliffs of compact green sandstone, 40 feet high, tower over 

 the gangway, and introduce (going east) a new feature in the vertical 

 section. Here is observable the curious variety called '' sand-coal;" 

 rightly named, for it feels to the hand as if sanded over, but is ap- 

 parently as pure and good as the rest. 



At Brose's mill, still further east, the great fault can be distinctly 

 seen, where the red shale over the cliff" sandstone dips 30° J south- 

 ward, directly against the vertical Lower Silurian Limestone of the 

 valley. At Knode's crossing, further east, the red shale side of the 

 fault has been curved down so as to produce a plunge of red shale 

 against the fault at an angle of 60°-70°. (See Figs. I. and J.) 



At Millstone hollow (still going east), A yields 2.C of good coal, 

 and, 20 feet above it, B (under its cliffs) shows the following section : 



FEET. INCHES. 



Soft coal. 

 Slate and coal, 

 Soft coal. 

 Slate, 

 Coal, 



4 



10 



1 3 



3 



