5^4 



[Proc. B.N.F.C. 



hornblende schist, Slieve Gallion — granites, Barnesmore ? — 

 andesite, Tyrone Devonian — diorite, Slieve Gallion or Tyrone 

 axis — gneiss, Scotland? or Slieve Gallion — fine-grained granite, 

 not Ailsa rock, but resembling it, flint, basalt, mica schist- 

 Fossils, Carboniferous, with Lithostrotion and fragments of 

 encrinite stems. 



LXIX. "Blue Door " or "Finger" Gravel-Pit, near Cookstown. 

 Erratics : — Red granites, syenites, hornblendic granites, Slieve 

 Gallion — chalk, flint, quartzite. 



LXX. Glasgow Hill, Esker one mile north of Cookstown. 

 Erratics : —Hornblendic granite, including pieces of diorite, 

 coarse felsite porphyry, granite with inclusions of mica 

 schist, hornblendic granites, syenite, diorites, porphyritic 

 felsite, Slieve Gallion — granulitic gneiss, Tyrone axis S.W. — 

 epidiorite, from westward — chalk, flint breccia, local — flints, 

 basalts, chalk, quartz. 



LXXI. Aghalee, Section of Sands and Gravels overlying basalt 

 in a quarry south of the Aghalee Bridge over Lagan Canal. 

 Erratics : — Riebeckite rock, Ailsa Craig — granites, hornblendic 

 granites, diorites, syenite, aplitic granite, quartz-felsite (altered 

 rhyolite), Slieve Gallion — fine grained sandstone from west — 

 rhyolite, Templepatrick — clay ironstone, jasper, flint, chalk, 

 mica schist, white quartz. 



LXXII. Cullion Glen, North Slieve Gallion, Boulder-Clay 

 overlying Carb. limestone. Erratics : — Carb. conglomerate 

 from south — haematite and quartz, red band Slieve Gallion — 

 sheared felsite, Tyrone axis to West — andesites, quartz ande- 

 site, syenites, granites, hornblendic rock, diorites, campton- 

 itic lamprophyre, local — chalk, flints, jasper, conglomerate, 

 schist, red sandstone, quartz. 



LXX 1 1 1. Carmean, Esker close to Railway Station, about two 

 miles North of Moneymore. Sands and Gravels. Sands of a 

 red colour, and numerous pink granites common throughout 

 the section — jasper, haematite ore, North Slieve Gallion — 



