766 E. HILL AND T. G. BONNET ON TIIE 



seen underlying the other ; and, on the whole, we are inclined to 

 think them on different horizons. 



Wo now go on about 200 yards before seeing any exposures 

 of importance, and then come to a pinkish ashy grit, followed about 

 CO yards further by rocks whose south dip is shown beautifully by 

 the weathering-out of their bands of bedding. Hence we descend 

 to the north corner of the wood by a series of five or six vertical 

 cliffs, each from 20 to 30 feet high, giving beautiful sections of a 

 rock consisting of indurated slate in finer and coarser bands, the 

 structure being rendered conspicuous by weathering. The lowest 

 exposure, however, scarce 100 yards from the corner of the wood, 

 consisting of only a few square feet of rock, but apparently in situ, 

 is the massive greenish ash which forms the great unstratifled beds 

 described above. Its colour varies in the same way, though the 

 pink patches are less apparent, and the grain is rather finer ; perhaps 

 also there are more quartz-granules and fewer felspar-crystals ; still 

 it can hardly be regarded as a different rock. 



The patch marked F and coloured red on Green Hill lies in the 

 centre of a small wood there, and consists of another vast mass of 

 these unstratifled ashes, differing from that first described only in 

 being in all respects somewhat coarser and having fewer or none of 

 the felspar crystals. No rock can be seen on the south of it ; but 

 on the north are banded slates, dipping in a southerly direction. If 

 the slight evidence of dip in it may be trusted, that is here S.W. by 

 S. The exposure marked with an arrow on Black Hill is ordinary 

 banded slates dipping E., as indicated on the map, and so seems to 

 belong to the other side of the anticlinal line. 



There is a small wood at the junction of the lines west of Benscliff 

 and east of Ulverscroft Abbey, which contains another mass of this 

 coarse unstratifled greenish or greyish ash. It is much decomposed, 

 but, so far as can be seen, is of similar character. The appearances 

 of dip vary from S.S.W. to S. It passes up into very compact slate 

 of doubtful dip. A few yards further south we come to a distinctly 

 banded indurated slate, somewhat disturbed ; for its dips vary from 

 S.S.W. to S. 



The strike of these beds would bring them exactly on the same 

 horizon as the second massive ash-bed of Benscliff, the material of 

 which is similar to the bed in this spinney. So also the strike given 

 by the slates of Green Hill would place its coarse ashes on the same 

 horizon exactly as the corresponding beds in the northernmost expo- 

 sure of Benscliff. Notwithstanding this persistence, when we con- 

 sider the remarkable resemblance of these coarse ashes, the fact that 

 the underlying rock (when visible) is in each case fine slate, and the 

 close proximity of the anticlinal line, along which runs a considerable 

 fault, the probability is on the whole in favour of their being the 

 same bed repeated by another subordinate fault. Any great dislo- 

 cation frequently has minor faults striking off from it. The range 

 of successive cliffs above described may possibly be owing to parallel 

 joints produced by the same cause. 



8. Outside Bradgate Park, just north of Newtown Linford, are 



