Note 227 — Chapter XIII · THE ERUPTIONS OF LLANDEILO AND BALA AGE
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I have fully considered the evidence adduced by Dr. Callaway and Professor Blake, and have examined the ground, and can come to no other conclusion than that stated in the text. But see Mr. Blake's remarks, Geol. Mag. 1891, p. 483.
[228] There is no continuous section now visible at this place, but the two groups of rock can be traced to within a few feet of each other, both inclined as usual in the same direction, and the black shales appearing to pass under the others.