302 



Proceedings of the Royal Irish Academy. 



Ho-wth — continued. 



204. 



205. 

 206. 



207. 

 208. 



209. 



210. 

 211. 

 212, 

 213. 



214. 

 215. 

 216. 

 217. 



218. 



219. 



219WS. 



220. 



221. 



222. 

 223. 



224. 

 225. 



226. 



227. 



228. 



229. 

 230. 



South 



side, 300-400 yards east of Tower, splendid 

 vertical jointirig, .... 



,, ,, ,, vertical jointing, 



cutting shore here less distinctly marked, 



)) 5? !> .5) )> 



120 yards east of Tower, joint apparently 

 a fault with cave, 



450 yards east of Tower, vertical jointing 

 in red rock, well marked, 

 ,, )> V . >). jointing, 



500 yards east of Tower, jointing, . 

 ,, ,, cave joint on fault, 



great joint further east, I'"* wide in places, 

 having caused fall of surface rocks , distant 

 from previous joint about 20—25 yards 



about 525 yards east of Tower, cross joint 

 ing, dipping east, 



a series of great joints occur here at short 

 intervals, ..... 



another system of jointing, well marked 

 dipping east, .... 



east of Drumleck Point, Little Boat Har- 

 bour, frequent and well-marked vertical 

 jointing, ...... 



near the Boat Harboiir, to the east, occurs 

 a great open joint, cut down to low water, 

 5 feet broad at bottom, formed by pre- 

 vious jointing with another, . 



about 250 yards east from boat-house, 

 jointing in a mass of quartzite, 



)_) )) _ )) 5> J5 • 



vertical quartz veins in, . 



about 400 yards east from boat-house, fre- 

 quent and vertical jointing, indenting 

 the coast line, . . . , . 



250 yards south-west from Tansey House, 

 frequent vertical jointing here, 



about 80 to 100 yards east from this point, 

 great fault dislocating the ground, dip 

 east at 75°-80°, 



crossed by jointing, (accompanied by a 

 band of decomposed trap rock), 



"Sheep -hole" cave and little inlet, the 

 cave apparently on a greenstone dyke, 

 dipping east, 



creek to east of " Sheep-hole," vertical 

 lode or joint on west side of, 0™'50 at 

 groimd surface, ..... 



west side of Drumleck Point, at about 

 50 - 60 yards east of previous point, well- 

 marked jointing, dipping east, at angle 

 of 60°-70°, 



vertical jointing in quartzite, to the east 

 of this point, ..... 



jointing in this quartzite, . . . 



cross jointing, frequent and vertical, . 



JSTm. 



2°-3° W. 



21° E. 

 23" E. 



28° "W. 



8°E. 



29° E. 



38° W. 



27°-2S° E. 



28° E. 



88° E. 



26°-28° E. 



43° E. 



16° E. 



3°W. 



20. E. 



18° E. 

 82°-85° E. 



3°"W. 

 21° E. 



38°-39° E. 

 3°-5° W. 



36°-38° E. 



35°-38° E. 



39° E. 



11° E. 



17°-18° E. 

 7°-8° W. 



