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Elemental Composition and Mineralogy of Silt and Clay Fractions of Cracking Clay Soils of Semi Arid and Arid Parts of Gujarat, India

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Title Elemental Composition and Mineralogy of Silt and Clay Fractions of Cracking Clay Soils of Semi Arid and Arid Parts of Gujarat, India
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Creator Satyavathi, P. L. A., Raja, P., Ray, S. K. et al.
 
Subject Geochemistry, vertisols, mineralogy, weathering indices
 
Description Not Available
Elemental composition and mineralogy of silt and clay fractions in two basaltic Vertisols viz Semla series: Aridic Haplusterts and Sokhda series: Calcic Haplusterts from semiarid and arid tracts respectively of Gujarat were studied to characterize the nature and composition of clay minerals in relation to elemental composition and to derive geochemical climofunctions. The most reactive fine clay had smectite with traces of quartz and mica
whereas concentrations of CaO and Na2O contents in silt fractions indicating intensive weathering of calcium and sodium minerals. The chemical data further supported the formation of montmorillonite-beidellite group(molar ratio of Al/Al+Fe >0.5 in fine clay fracion). The high degree of salinisation (CaO/K2O) in Sokhda series indicated the prevalence of high evapotranspiration and prolonged dry seasons in the region. The CALMAG index supported the formation smecite under past humid climate but preserved even in existing alternate wet and dry seasons.
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Date 2020-05-22T07:19:10Z
2020-05-22T07:19:10Z
2012-01-01
 
Type Research Paper
 
Identifier Satyavathi, P. L. A., Raja, P., Ray, S. K., Anantwar, S. G. and Bhaskar B. P. (2012) Elemental composition and mineralogy of silt and clay fractions of cracking clay soils of semi arid and arid parts of Gujarat, India, Clay Research, 31(1): 12-26
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http://krishi.icar.gov.in/jspui/handle/123456789/36124
 
Language English
 
Relation Not Available;
 
Publisher Clay Research