Abstract
IN the new edition of Jukes's “Manual of Geology,” by Prof. Geikie, at page 592, it is stated, on the authority of Mr. E. Hull, that “in Leitrim, Fermanagh, and Tyrone, there are true representatives of the Yoredale series of England.” I, however (as also the late Mr. Jukes), contend that no comparison can be drawn between the coal bearing rocks of Ireland and those of England. Furthermore, as Mr. Hull is unacquainted with these Irish rocks, having only seen a few isolated patches of them, I protest against his being quoted as an authority on the question, more especially as in the paper to which Mr. Geikie referred, “On the Geology of the Bally castle Coal Fields, &c.,” Mr. Hull states that while in the counties above mentioned there are true coal measures, in the provinces of Leinster and Munsler there are none—a statement quite contrary to facts, as all the sections of these rocks in Leinster, Munster, and Connaught arc identical, and probably, as suggested by the late Mr. Jukes, were once connected, as the lowest bed of coal occurs everywhere at a nearly equal height above the limestone. Furthermore, the intervening strata are nearly identical, there being a certain thickness of argillaceous beds below, next the limestone, and a mixture of arenaceous and argillaceous beds above.
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KINAHAN, G. Coal Measures of Ireland. Nature 5, 162 (1871). https://doi.org/10.1038/005162c0
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DOI: https://doi.org/10.1038/005162c0
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