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Published online by Cambridge University Press: 01 May 2009
In my former short communication on this subject, I referred only to the question of the age of the quartz conglomerate at Nebo, which Dr. Callaway mistook for a part of the granitoidite series, but which Prof. Hughes has shown to be Cambrian conglomerate. What Dr. Callaway says in reply may be seen at page 287. The second point which I stated I should deal with later, I now take up. Dr. Callaway wrote (GEOL. MAG. 1881, p. 423), as follows :—