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PEOCEEDINGS OF THE GEOLOGICAL SOCIETY. 



[Feb. 6, 



site side, however, it is readily apparent by the bright verdure of 

 the knoll in which it protrudes into the valley. 



A small streamlet has laid open the junction of the limestone 

 (which is here of much greater thickness than where last seen) with 

 the superjacent beds. The main mass of limestone is greyish or 

 bluish- white and grey, weathering grey or yellow ; but the upper 

 part is white. It is surmounted here by a bed eight to ten feet 

 thick of white quartz-rock, which dips below a series of schistose beds 

 that incline to E. 30° S. at 20°. The band of quartz-rock thickens 

 greatly towards the N.W., and is marked by veinings of serpentine. 

 The schistose series is of various shades of green, grey, or white, 

 micaceous and quartzose, the laminse being much contorted. 



The strike of the strata carries them obliquely up the southern 

 side of the strath ; and we can mark that in their progress the lime- 

 stone rapidly thins off, while its overlying band of quartz-rock 

 thickens in a corresponding way. About a quarter of a mile east 

 of the cascades formed by the descent of the waters from a chain 

 of small lakes into the strath, a fault has thrown the limestone 

 150 or 200 feet down the face of the cliff. At the top of the 

 escarpment, resting on the great lower white quartz-rock, the lime- 

 stone is again seen, but rapidly diminishing in bulk, until, in a few 

 yellow knobs half-buried in the long brown bent, we lose trace of it 

 altogether. After a short distance we meet with another band of 

 limestone along with a series of shales and sandstones. The section 

 here displayed is partly obscured by a morass, and partly by a fault, 

 which, however, since it traverses the strike of the beds, probably 

 does not materially affect the order given in the annexed figure. 



From the frequent thick covering of peat and heath, it was dif- 

 ficult to determine the course of the limestones. The beds between 

 the seams appeared to grow more calcareous, until the whole be- 



Fig. 



4. — Section of South side of Strath-Kennort. 



c. Quartz-rock and a band of limestone. 



d. Gneissose schists including a bed of limestone. 



