Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Groundwater Chemistry and Formation of Carbonate Concretions in Alluvial Soils


Affiliations
1 Department of Civil Engineering, Indian Institute of Technology, Kanpur 208016, India
     

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Gangetic alluvial soils of Uttar Pradesh typically contain carbonate concretions (kankar) of different morphology at various depths. The concretion mineralogy has been correlated with local groundwater chemistry by calculating mineral solubility products from available thermodynamic data. It is concluded that carbonate minerals are precipitated from supersaturated groundwater in pore space leading to formation of concretions.
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  • Groundwater Chemistry and Formation of Carbonate Concretions in Alluvial Soils

Abstract Views: 197  |  PDF Views: 2

Authors

A. K. Chaturvedi
Department of Civil Engineering, Indian Institute of Technology, Kanpur 208016, India
B. C. Raymahashay
Department of Civil Engineering, Indian Institute of Technology, Kanpur 208016, India

Abstract


Gangetic alluvial soils of Uttar Pradesh typically contain carbonate concretions (kankar) of different morphology at various depths. The concretion mineralogy has been correlated with local groundwater chemistry by calculating mineral solubility products from available thermodynamic data. It is concluded that carbonate minerals are precipitated from supersaturated groundwater in pore space leading to formation of concretions.