| Physico-Chemical Properties of Clay Minerals
from Alluvial Soil Sediment of West Bengal |
M. ADHIKARI, T. K. MUKHOPADHYAY
AND M. K. MAJUMDAR
Pages : 139-142
DOI : |
| Abstract |
| The X-ray, DTGA and chemical analyses of clay fractions
isolated from alluvial soil clays (pond sediments) were
carried out. The results indicated the presence of illite (2:
mical type) as the dominant clay mineral with traces of
kaolinite. The X-ray basal spacings and the DTGA peak
temperatures were observed to be lower than the standard
samples (cf. fithian illite). The molar ratios of SiO./A120a
were also found be lower. All these indicated the presence
of minerals ( cf. kaolinite) other than illite as the only
constituent. |
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