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III.—On the Classification and Nomenclature of Rocks

Published online by Cambridge University Press:  01 May 2009

G. H. Kinahan
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Extract

In a paper on the above subject, that appeared in the GeologicalMagazine for December, 1875 (p. 583), the author, Mr. S. Allport, F.G.S., objects to the introduction of additional rock names. With this observer I agree that there are many ingenite rock names which it would be satisfactory to get rid of; seeing many varieties and subvarieties of rocks to which names are given have no permanent characters; while in numerous cases the same rock is called by different names. Still, as a geologist, I would suggest, that in some cases new names are absolutely necessary, if we would impart our increasing knowledge to the general public; for instance, among the granitic rocks, the subject that has led to Mr. Allport's remarks.

Type
Original Articles
Information
Geological Magazine , Volume 3 , Issue 3 , March 1876 , pp. 114 - 117
Copyright
Copyright © Cambridge University Press 1876

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References

1 Mr. Allport objects to the term elvanite because it has been misused. On the some principle nearly all the rock names ought to be rejected; especially granite, as the latter is a common name in many places for hard and coarse sandstones.