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Reviews and Notices

Published online by Cambridge University Press:  14 March 2018

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Mineralogical magazine and journal of the Mineralogical Society , Volume 2 , Issue 8 , March 1878 , pp. 36 - 63
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Copyright © The Mineralogical Society of Great Britain and Ireland 1878

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References

page 42 note * The “felspar” of the rock of Corstorphine hill is usually called albite,—it has not been analysed.

page 43 note * It also constitutes the bulk of the grey granite of Aberdeen ; this I find generally to consist of a great deal of oligoclase, little orthoclase, comparatively little quartz, very small quantities of muscovite, and a good deal of Haughtonite. The hornblendie gneiss of the Cape Wrath district frequently consists almost solely of a granular mixture of oligoclase and hornblende.

page 43 note † Except as regards the discrimination of oligoclase and andesine.

page 60 note * The special convenience of the small beaker for determining the specific gravity of comparatively large crystals is a good reason for its introduetion,—the ordinary sp. gr. bottle is well-known.—Ed.