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III.—On some British Pillow-lavas and the Rocks associated with them

Published online by Cambridge University Press:  01 May 2009

Henry Dewey  and
John Smith Flett
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Extract

The pillow-laves are a group of basic igneous rocks that occur, in our experience, only as submarine flows, and very frequently exhibit ‘pillow-structure’. A lava-flow of this type is composed of sack-shaped masses, globular or elongated, and varying in size. The external surface of the pillows may be compact, but in their interior there are numerous cavities often concentrically arranged. First described in Britain by Nicholas Whitley (1), and figured also by De la Beche (2), they have become generally known through the work of Teall (3), Raisin (4), Reid and Dewey (5), and their importance among the Palæozoic eruptive rocks of Britain is now well established.

Type
Original Articles
Information
Geological Magazine , Volume 8 , Issue 5 , May 1911 , pp. 202 - 209
Copyright
Copyright © Cambridge University Press 1911

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References

1 A substance is reported as found (nt. fd.) when, though searched for in the usual way, no traces of it have been obtained by the analyst.