5 36 [P»OC. B.N.F.C, 



granite, quartz felsite, syenite, felsite, red granite, porphyritic 

 felsite, jasperised rock, (?) felsite, granite with micaceous 

 knots, andesite, N.E. or S.W. — chalk, flint, quartz, quart/.ite. 



LXXIX. Monaghan. Boulders — ferruginous jasperised shale, local, 

 possibly Ballyjamaduff area — sandstone, local— white chert, 

 Carb. limestone. From canal bank — calc. pebbly sandstones, 

 limestone, dolerite, calcareous grit, sandstones, all local — 

 felsite (?), local. From three mile House, S. of Monaghan — felsp. 

 grit ? Silurian, S.E. — felsite porphyry, (?) Slieve Gullion — 

 quartzite, quartz vein ?l)alradian, N.W. — sandstone, local, 

 sandstone, local .or Silurian — metamorphosed grit ? Dalradian 

 or Silurian — chert, local. From esker, eight miles from 

 Monaghan — calc. sandstone with cemented coating of pebbles, 

 felsp. grit, felsite, chert, limestone, sandstone, local — felsite 

 porphyry ? Slieve Gullion.. 



LXXX. Ballymurphy, Belfast (Springfield Brick-works), Boulder- 

 Clay overlying Trias. Erratics : — Riebeckite rock, Ailsa 

 Craig — chalk, flint, chalcedony, basalt, quartzite, quartz, clay 

 ironstone, Fair Head dolerite, Rhaetic, Lias, Old Red Sand- 

 stone, weathered granite. 



Derived Fossils. Terebratula, Cardium rhaticum, and Modiola 

 minima. On a former occasion Mr. Bell found a shell of 

 As {arte, and the clay from which he obtained it, when 

 submitted to microscopic examination by Mr. Joseph Wright, 

 yielded Foraminifera. 



Portrush, New Waterworks, Boulder-Clay. Grey granite, West of 

 Scotland. 



Glenoe, Boulder-Clay. Rhyolite, Tardree type, and a few 

 imperfect fossils. 



Armagh. Granite invading hornblende rock, Tyrone axis. 



Maghaberry, near Moira. Hornblendic granite probably N.E. 

 (Scotland) — epidiorites, Donegal or Tyrone type, also Co. 

 I )erry type — quartzite, mica schist, Ailsa Craig rock i z 

 in. x 7 in. x 6 in. 



