268 Mr. Farey's Statement of Geological Facts 



commences, quite of a contrary nature;" referring to his 

 engravi (.1 Section, across the mouth of the Glenshesk or 

 Balivcasile Valley ; whence it might be inferred, that the 

 Coal-measures over-lie both the great Basalt and the uhite 

 Limestone, though doubtfully, on account of their dips 

 being shown as very different and the Sea preventing 

 their junction from being seen; but which difference of 

 the dips when viewed in this direction, viz. looking S, 

 seems inconsistent with what Dr. R. says in your Magazine, 

 vol. xxxiii. p. 200; viz. that this Basaltic stratum (of Fair- 

 Head, which he seems throughout to consider as the great 

 Basalt of the other Cliffs on white Limestone), lies" with the 

 same avgle of inclination in which it ffP* disposed along our 

 whole (north) Coast, that is, a sltglU ascent to the north," 

 which he elsewhere states to be 7" to 10° of inclination. 

 Appendix, p. 93, to Mr. D.'s Antrim Stat. Surv. agreeing 

 with Mr. D. p. 76, who represents all these Coal-measures, 

 as " tolerably regular in their disposition, forming a small 

 angle with the horizon to the south," and being of course 

 nearlv level in the cross or E'and W direction, as Mr. W.'s 

 section shows the Coal series : his position however of the 

 Basalt and sulijacent Limestone, don't accord with what 

 Dr. R. says vol. xxxiii. p. 200 (see also vol. xxxv. p. 373), 

 viz. that on the west side of Ballycastle Pier, the bold ba- 

 saltic precipices suddenly disappear, and at a lower level 

 disclose the substratum, which appears to be an alternalioa 

 of Sandstone and Coal, sometimes with bituminous schist," 

 or Shale, as I should call it, to distinguish it from the 

 Schistus or Slate south of this, spoken of by Dr. R. Ap- 

 pendix. 95, as having a dip of 60", but in which observa- 

 tion [ cannot doubt that he mistook the strat7ila for the 

 lamina of stratification (if it has any such), against which 

 mistake Mr. Arthur zVikin and other observers were cau- 

 tioned, by a Correspondent in your 38th volume, p. 357 J 

 Dr. W. H. Drummond, in speaking of the Red Sandstone 

 in Cushendall Bay, falls, probably, into this same error, 

 Preface xiii. 



Alter considering what I have read as above, I have 

 adopted the sujipositions of the Drumglass and Ballycastle 

 or Tyrone and Antrim Coal-fields, containing detached 

 parts of the savic Strata, which belong to the top of the 

 great Antrim Basalt, and that they once connected thereon 

 between these two Coal fields ; and shall reply to Dr. R.'s 

 que^Mon, Apfien. p. 31, by saying, that here Coal-measures 

 do iiilcrrene between Basalt strata, according to the state- 

 ment of Mr. Whitehurst, p. 260, of Dr. Hamilton (as 



quoted 



