Page:Transactions of the Geological Society, 1st series, vol. 3.djvu/166



ROCK-MEASURES OF LUGG-GLASS (The Green-Hollow.)

COLLIERY AT BALLY-CASTLE IN THE COUNTY OF ANTRIM,

The preceding tables evince the general resemblance which the members of these coal formations bear to those of other countries. Iris necessary to add very few remarks.

The coal of these districts is almost entirely slate coal; it may perhaps be suggested as a general observation concerning the Irish