Randomly interstratified kaolinite-smectite from Galicia (NW Spain): A newprocedure for determination

Authors
Corti, G Sanjurjo, MJF Ugolini, FC
Citation
G. Corti et al., Randomly interstratified kaolinite-smectite from Galicia (NW Spain): A newprocedure for determination, CLAY CLAY M, 46(6), 1998, pp. 705-711
Citations number
39
Categorie Soggetti
Environment/Ecology,"Earth Sciences
Journal title
CLAYS AND CLAY MINERALS
ISSN journal
00098604 → ACNP
Volume
46
Issue
6
Year of publication
1998
Pages
705 - 711
Database
ISI
SICI code
0009-8604(199812)46:6<705:RIKFG(>2.0.ZU;2-0
Abstract
A new protocol was developed to examine an assemblage of kaolinite-smectite in a buried horizon of a paleosol developed on gabbro parent material. The new extraction procedure appears suitable for removing kaolinite and for a scertaining the nature of the smectite interstratified with kaolinite. Smec tite was identified by X-ray diffraction (XRD) and infrared (IR) patterns, cation exchange capacity (CEC) and chemical analyses. The results obtained provide for increased understanding of the process of transformation of smectite into kaolinite.