L 507 ] 



LL— LEISH AEENACEOUS EOCKS— SANDS, SANDSTONES, 

 GEITS, CONGLOMEEATES, QUAETZ-EOCKS, AND 

 QUAETZYTES. By G. H. KINAHAN, M.E.I. A., Etc. 



[Read, March 23, 1887.] 



CONTENTS. 



Introduction, 



Geological Epitome : — 



Cambrian and Arenig — Ordovician — Llandovery or Mayhill Sandstone — 

 Silurian and Devonian — Carboniferous — Permian — Triassic — Jurassic 

 — Cretaceous — Tertiary — Drift — Sand and Gravel — Glass, 



PAGE 



509 



515 



County Histories: 

 Antrim, . 



Armagh, 



Carloiv, 



Cavan, 



Clare, 



Cork, 



Donegal, 



Doivn, 

 Dublin, . 

 Fermanagh, 



Galtvay, . 

 Kerry, 

 Kildare, . 



Arenig or Ordovician, Silurian, Carboniferous, Triassic, 

 Cretaceous, &c. ; Flints, Agates, Sand and Gravel, 

 Glass, 531 



Ordovician, Carboniferous, Permian, Triassic, Sand and 



Gravel, 536 



Carboniferous, Sand and Gravel, . . • • .537 



Ordovician, Carboniferous, Sand and Gravel, . • 538 



Ordovician, Carboniferous, Sand and Gravel, . . 539 



Silurian and Devonian, Carboniferous, Sand and Gravel, 542 



Cambrian and Arenig, Ordovician and Llandovery, 



Carboniferous, Sand and Gravel, .... 548 



Ordovician, Carboniferous, Triassic, Sand and Gravel, . 554 



Carboniferous, Buildings, Sand and Gravel, Glass, . 556 



Ordovician, Silurian, Carboniferous, Fermanagb Series, 

 Coal Measures, Enniskillen Quarries, Sand and 

 Gravel, 560 



Cambrian, Arenig, and Ordovician; Silurian, Carbon- 

 iferous, Sand and Gravel, 564 



Ordovician, Llandovery, Devonian and Carboniferous, 



Coal Measures, Sand and Gravel, Glass, . . 567 



Carboniferous, Sand and Gravel, 572 



