AN INVESTIGATION OF THE MICROMORPHOLOGICAL AND SCANNING ELECTRON MICROSCOPE CHARACTERISTICS OF SALIFEROUS AND GYPSIFEROUS ARIDISOLS OF ESHTEHARD REGION, KARAJ

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MOGHISEH E.; AHMADI A.; MAHMOUDI SH.; HEIDARI A.

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Journal: Iranian Journal of Soil Research Year:2007 | Volume:21 | Issue:2 Page(s): 291-300

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Title

AN INVESTIGATION OF THE MICROMORPHOLOGICAL AND SCANNING ELECTRON MICROSCOPE CHARACTERISTICS OF SALIFEROUS AND GYPSIFEROUS ARIDISOLS OF ESHTEHARD REGION, KARAJ

Author(s)

MOGHISEH E. | AHMADI A. | MAHMOUDI SH. | HEIDARI A. | Issue Writer Certificate

Keywords

SALIFEROUS AND GYPSIFEROUS ARIDISOLSQ3

MICROMORPHOLOGYQ2

GYPSUMQ2

HALITEQ3

ESHTEHARDQ3

Abstract

SALIFEROUS AND GYPSIFEROUS ARIDISOLS constitute a major part of soils in arid and semi-arid regions of Iran. However limited information regarding their formations and crystalline forms is available. To investigate the formation of saliferous and gypsiferous soils of ESHTEHARD region in Karaj and to classify them, physicochemical, micromorphological, and SEM studies were carried out. An assessment of the soil physical and chemical properties, including soil texture, electrical conductivity (saturated extract), soil reaction, organic carbon percentage, equivalent calcium carbonate, GYPSUM content (percentage), soluble cations and anions was made on samples taken from pedological structure (pedons). Standard procedures were employed all throughout the study. In a study of thin sections, pedogenic GYPSUM was observed as oriented crystals, infilling voids. It was lenticular shape when within soil matrix. SEM analysis revealated the presence of GYPSUM lenticular crystals accompanied by HALITE crystals of cubic forms. These were verified through EDS curves. Based upon physico-chemical, micromorphological and SEM studies, it is finally concluded that soils of lowland type have been formed as per ascendum mode, while those of gravelly colluvial forms have been formed as per descendum mode.

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APA: Copy

MOGHISEH, E., AHMADI, A., MAHMOUDI, SH., & HEIDARI, A.. (2007). AN INVESTIGATION OF THE MICROMORPHOLOGICAL AND SCANNING ELECTRON MICROSCOPE CHARACTERISTICS OF SALIFEROUS AND GYPSIFEROUS ARIDISOLS OF ESHTEHARD REGION, KARAJ. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, 21(2), 291-300. SID. https://sid.ir/paper/15952/en

Vancouver: Copy

MOGHISEH E., AHMADI A., MAHMOUDI SH., HEIDARI A.. AN INVESTIGATION OF THE MICROMORPHOLOGICAL AND SCANNING ELECTRON MICROSCOPE CHARACTERISTICS OF SALIFEROUS AND GYPSIFEROUS ARIDISOLS OF ESHTEHARD REGION, KARAJ. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES[Internet]. 2007;21(2):291-300. Available from: https://sid.ir/paper/15952/en

IEEE: Copy

E. MOGHISEH, A. AHMADI, SH. MAHMOUDI, and A. HEIDARI, “AN INVESTIGATION OF THE MICROMORPHOLOGICAL AND SCANNING ELECTRON MICROSCOPE CHARACTERISTICS OF SALIFEROUS AND GYPSIFEROUS ARIDISOLS OF ESHTEHARD REGION, KARAJ,” IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, vol. 21, no. 2, pp. 291–300, 2007, [Online]. Available: https://sid.ir/paper/15952/en

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