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Clay minerals of the Argille Scagliose of the Modenese Apennines

Published online by Cambridge University Press:  14 March 2018

Paolo Gallitelli
Paolo Gallitelli*
Affiliation:
Mineralogical Institute, University of Modena, Italy
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Abstract

Samples of the argille scagliose from various localities in the Modenese Apennines have been studied by optical, X-ray and d.t.a, methods as part of an investigation into the composition and origin of this remarkable allochthonous formation. Illite, chlorite and a kaolinitic mineral of “fireclay” type are widespread. Samples from one locality contain also a conspicuous 22–28 Å swelling chlorite, the origin of which is discussed. It is as yet uncertain whether this mineral is confined to clays containing exotic blocks of ophiolite (greenstone) or whether it is more widely distributed.

Type
Research Article
Information
Clay Minerals Bulletin , Volume 2 , Issue 13 , December 1955 , pp. 275 - 280
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1955

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References

References

Brown, G. 1953 Clay Min. Bull., 2, 64.CrossRefGoogle Scholar
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Reference

Brindley, G. W. 1951 X-ray identification and structure of clay minerals. Min. Soc. Monograph.Google Scholar