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On Melilite as a Product of Interaction of Limestone and Basaltic Liquid

Published online by Cambridge University Press:  01 May 2009

C. E. Tilley
C. E. Tilley
Affiliation:
(with an analysis by Dr. H. F. Harwood).
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Extract

The melilite described below is an abundant constituent of a zone of reaction between dolerite and Chalk at the intrusion of Scawt Hill, Co. Antrim, Ireland. The melilite occurs both in the hybrid rock formed by assimilation of carbonate and as a constituent of the exomorphic contact zone. In the latter it is associated with spurrite, Ca2SiO4 (larnite), merwinite, spinel, and calcite. The following description applies solely, however, to the melilite of the hybrid rock.

Type
Original Articles
Information
Geological Magazine , Volume 66 , Issue 8 , August 1929 , pp. 347 - 353
Copyright
Copyright © Cambridge University Press 1929

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References

page 347 note 1 Tilley, Geol. Mag., Vol. LXIV, 1927, p. 285.Google Scholar

page 349 note 1 I.e. essentially isomorphous mixtures of åkermanite (including ferrous åkermanite) and pseudo-sarcolite with minor amounts of gehlenite—thus distinct from the melilites rich in ferric iron (such as those of Capo di Bove).

page 350 note 1 Geol. Fören Förh. Stockholm, vol. xliii, 1921, p. 489.Google Scholar

page 350 note 2 Fennia, vol. 1, No. 4, 1928, p. 6.Google Scholar

page 350 note 3 Amer. J. Sci., vol. xiv, 1927, p. 192.Google Scholar

page 351 note 1 Bull. Soc. Min. Fr., vol. xxiii, 1900, p. 10.Google Scholar

page 351 note 2 Assimilation and Petrogenesis, 1928, p. 70.Google Scholar

page 351 note 3 Amer. J. Sci., vol. iii, 1922, p. 1.Google Scholar

page 351 note 4 (a) Abhandl. Ges. Wiss. Leipzig, 32, Heft 7, 1912Google Scholar; (b) Centralbl. für Min.… 1922, p. 495.Google Scholar