CLAY MINERALOGY AND GEOCHEMISTRY OF THE SOILS DERIVED FROM METAMORPHIC AND MAFIC IGNEOUS PARENT ROCKS IN LAHIJAN AREA

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RAMEZANPOUR H.; HESAMI R.; ZANJANCHI M.A.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2008 | Volume:15 | Issue:2 Page(s): 383-400

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Information Journal Paper

Title

CLAY MINERALOGY AND GEOCHEMISTRY OF THE SOILS DERIVED FROM METAMORPHIC AND MAFIC IGNEOUS PARENT ROCKS IN LAHIJAN AREA

Author(s)

RAMEZANPOUR H. | HESAMI R. | ZANJANCHI M.A. | Issue Writer Certificate

Keywords

CLAY MINERALQ3

GEOCHEMISTRYQ2

X -RAY FLUORESCENCE(XRF)Q3

Abstract

The mineralogical and geochemical composition of the soils of three representative pedons formed, on basaltic and esite, andesitic basalt and phyllite were investigated. Results by XRF showed that progressive weathering of rocks have been marked by gradual accumulation of Al, Fe, Ti, Mg, H3O+ and depletion of Na, K, Ca and Si in the soil; although, predominant clay, loss and gain trend of elements was different on the various rocks. Based on x-ray diffraction analysis, minerals in basaltic and esite and andesitic basalt were similar but, the intensity of mica to smectite or vermiculite transformation for latter was relatively higher than the former. This process revealed the degradation mineral because of two reasons: (i) - smectite and vermiculite increased whereas mica decreased in surface horizons. (ii)-Irregular mixed layer of mica-smectite or vermiculite was present in deeper part (170 cm) of the soils from andesitic basalt but shallower depth (75 cm) of the soils from basaltic and esite. CLAY MINERALs in phyllite were mica and chlorite that stratified with vermiculite. However, the absence of smectite in phyllite might be attributed to more acidic condition or position of the Fe ion in the mineral lattice of chlorite (higher Fe in the interlayer hydroxide sheet).

Cites

References

EVIDENCE OF SOIL CLAY MINERALS TRANSFORMATION IN SOME PHYSIOGRAPHIC UNITS, WEST OF LANGROOD - GUILAN

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APA: Copy

RAMEZANPOUR, H., HESAMI, R., & ZANJANCHI, M.A.. (2008). CLAY MINERALOGY AND GEOCHEMISTRY OF THE SOILS DERIVED FROM METAMORPHIC AND MAFIC IGNEOUS PARENT ROCKS IN LAHIJAN AREA. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 15(2), 383-400. SID. https://sid.ir/paper/3988/en

Vancouver: Copy

RAMEZANPOUR H., HESAMI R., ZANJANCHI M.A.. CLAY MINERALOGY AND GEOCHEMISTRY OF THE SOILS DERIVED FROM METAMORPHIC AND MAFIC IGNEOUS PARENT ROCKS IN LAHIJAN AREA. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2008;15(2):383-400. Available from: https://sid.ir/paper/3988/en

IEEE: Copy

H. RAMEZANPOUR, R. HESAMI, and M.A. ZANJANCHI, “CLAY MINERALOGY AND GEOCHEMISTRY OF THE SOILS DERIVED FROM METAMORPHIC AND MAFIC IGNEOUS PARENT ROCKS IN LAHIJAN AREA,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 15, no. 2, pp. 383–400, 2008, [Online]. Available: https://sid.ir/paper/3988/en

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