Ordered mixed-layer structures in the Mighei carbonaceous chondrite matrix

Mackinnon, Ian D.R. (1982) Ordered mixed-layer structures in the Mighei carbonaceous chondrite matrix. Geochimica et Cosmochimica Acta, 46(4), pp. 479-489.

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Abstract

High resolution transmission electron microscopy of the Mighei carbonaceous chondrite matrix has revealed the presence of a new mixed layer structure material. This mixed-layer material consists of an ordered arrangement of serpentine-type (S) and brucite-type (B) layers in the sequence ... SBBSBB. ... Electron diffraction and imaging techniques show that the basal periodicity is ~ 17 Å. Discrete crystals of SBB-type material are typically curved, of small size (<1 μm) and show structural variations similar to the serpentine group minerals. Mixed-layer material also occurs in association with planar serpentine. Characteristics of SBB-type material are not consistent with known terrestrial mixed-layer clay minerals. Evidence for formation by a condensation event or by subsequent alteration of preexisting material is not yet apparent. © 1982.

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15 citations in Scopus
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24 citations in Web of Science®

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ID Code: 57503
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By (since 1996): 6
Export Date: 19 February 2013
Source: Scopus
Language of Original Document: English
Correspondence Address: Mackinnon, I.D.R.
Additional URLs:
Keywords: carbonaceous chondrite, matrix mineralogy, mixed layer structures, electron microscopy
ISSN: 1872-9533 (online) 0016-7037 (print)
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > GEOLOGY (040300) > Extraterrestrial Geology (040302)
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > GEOLOGY (040300) > Mineralogy and Crystallography (040306)
Divisions: Current > Institutes > Institute for Future Environments
Copyright Owner: Copyright 2008 Elsevier B.V.
Deposited On: 25 Feb 2013 22:01
Last Modified: 10 Jan 2016 22:09

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