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II.—On the Microscopical Structure and Composition of a Phonolite from the “Wolf Rock.”

Published online by Cambridge University Press:  01 May 2009

S. Allport  and
J. A. Phillips
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Extract

The rock described in the following paper is, I believe, new to British petrology; and as the value of microscopical analysis is not yet fully recognized, a detailed description may be acceptable to many readers of the Geological Magazine. The specimens examined were kindly sent to me by Mr. J. A. Phillips, together with a chemical analysis, which, with his permission, is also added.

Information

Type
Original Articles
Information
Geological Magazine , Volume 8 , Issue 84 , June 1871 , pp. 247 - 250
Copyright
Copyright © Cambridge University Press 1871

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References

page 249 note 1 Of which ·94 was lost in water-bath.