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The crystal structure of some chamosite minerals (With Plate XII)

Published online by Cambridge University Press:  14 March 2018

G. W. Brindley
Affiliation:
The University, Leeds

Extract

Chamosite is a commonly occurring hydrous ferrous silicate frequently found in close association with chalybite in marine mudstone deposits, the composition of different beds ranging from almost pure chamosite to pure chalybite. In oolitic ironstones chamosite is found both in the ooliths themselves and also in the groundmass. It occurs as a constituent in shales, as a cementing mineral in sandstones, and is occasionally found in lateritic and other deposits. Mineralogically it is usually regarded as a chlorite, or akin to the chlorites, but evidence has been accumulating which tends to show that some varieties may not be chlorites at all, but are probably closely related to the kaolin group of minerals (Brindley, 1949).

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1951

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