Raj, John Kuna (1993) Clay Minerals in the Weathering ProFile of a Quartz-Muscovite Schist in the Seremban Area, Negeri Sembilan. Pertanika Journal of Tropical Agricultural Science, 16 (2). pp. 129-136. ISSN 0126-6128
X-ray diffractograms show that randomly interstratified illite-montmorillonite and kaolinite are the clay minerals present in the upper morphological horizons of the weathering profile, while illite is the only clay mineral present in the lowest morphological horizon. In the intermediate morphological horizons, the diffractograms show that kaolinite, illite and randomly interstratified illite-montmorillonite are the clay minerals present. Increasing amounts of randomly interstratified illite-montmorillonite and kaolinite up the weathering profile, and a corresponding decrease of illite, reflect increasing effects of weathering processes; disaggregation and disintegration of muscovites and sericites within the original bedrock material initially resulting in illite, followed by development of the randomly interstratified illite-montmorillonite and kaolinite through leaching of the illites.
|Keyword:||Weathering profile, quartz-muscovite schist, clay minerals, kaolinite, illite, randomly interstratified illite-montmorillonite|
|Publisher:||Universiti Putra Malaysia Press|
|Deposited By:||Nasirah Abu Samah|
|Deposited On:||24 Nov 2009 01:10|
|Last Modified:||27 May 2013 07:05|
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