Micromorphological Study of Gypsum and Calcium Carbonate Features and Clay Mineralogy in Soils with Different Parent Material in South of Guilan Province

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Rahimi Mashkaleh Mastaneh; RAMEZANPOUR HASSAN; Yaghmaeian Mahabadi Nafiseh; NOROUZI MEHDI

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Journal: APPLIED SOIL RESEARCH Year:2019 | Volume:7 | Issue:1 Page(s): 132-147

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Title

Micromorphological Study of Gypsum and Calcium Carbonate Features and Clay Mineralogy in Soils with Different Parent Material in South of Guilan Province

Author(s)

Rahimi Mashkaleh Mastaneh | RAMEZANPOUR HASSAN | Yaghmaeian Mahabadi Nafiseh | NOROUZI MEHDI | Issue Writer Certificate

Keywords

Crystallitic b-fabricQ1

Gypsum pendantQ1

Micritic noduleQ1

MISECA indexQ1

PalygorskiteQ1

Abstract

Gypsiferous and calcareous soils comprise important parts of soil resources in arid and semiarid areas of south of Guilan province. This study was conducted in order to investigate gypsum and lime in the soils of hilly lands of Aliabad region in Guilan province using soil thin sections. Soil samples were taken as air-dried undisturbed clods from gypsiferous-salty and calcareous parent materials with three replicates at two slope positions (back slope and foot slope) from surface (0-20 cm) and subsurface (20-40 cm) depths. Results showed that the soils with gypsiferous-salty parent material had heavier textural class than the calcareous soils. The results of micromorphological studies showed that the number of channel and chamber voids and excrements is higher in calcareous soil due to the presence of larger pores and more biological activity. Micromorphological pedofeatures of gypsiferous-salty soils include the forms of gypsum interlocked plates, gypsum lenticular crystals, Gypsum pendant, infilling of gypsum as dense complete and incomplete, and loose discontinuous in voids and channel walls and hypo-coating of iron and manganese and in calcareous soils include excrements, hallow iron and Micritic nodules, rock fragments, gypsum and calcite pendant and different forms of pedogenic calcite as columnar, cluster, needle, micritic and sparitic. The fine fraction in both soils were mainly Crystallitic b-fabric and locally stipple speckeld and undifferentiated b-fabric. The micromorphological index for soil evolution (MISECA) showed that both soils had weak development. Results of clay mineralogical study showed that chlorite, illite, vermiculite, smectite and hydroxyl-interlayer minerals were prominent in both soils. Palygorskite was found only in the soils with gypsiferous-salty parent material.

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APA: Copy

Rahimi Mashkaleh, Mastaneh, RAMEZANPOUR, HASSAN, Yaghmaeian Mahabadi, Nafiseh, & NOROUZI, MEHDI. (2019). Micromorphological Study of Gypsum and Calcium Carbonate Features and Clay Mineralogy in Soils with Different Parent Material in South of Guilan Province. APPLIED SOIL RESEARCH, 7(1 ), 132-147. SID. https://sid.ir/paper/261900/en

Vancouver: Copy

Rahimi Mashkaleh Mastaneh, RAMEZANPOUR HASSAN, Yaghmaeian Mahabadi Nafiseh, NOROUZI MEHDI. Micromorphological Study of Gypsum and Calcium Carbonate Features and Clay Mineralogy in Soils with Different Parent Material in South of Guilan Province. APPLIED SOIL RESEARCH[Internet]. 2019;7(1 ):132-147. Available from: https://sid.ir/paper/261900/en

IEEE: Copy

Mastaneh Rahimi Mashkaleh, HASSAN RAMEZANPOUR, Nafiseh Yaghmaeian Mahabadi, and MEHDI NOROUZI, “Micromorphological Study of Gypsum and Calcium Carbonate Features and Clay Mineralogy in Soils with Different Parent Material in South of Guilan Province,” APPLIED SOIL RESEARCH, vol. 7, no. 1 , pp. 132–147, 2019, [Online]. Available: https://sid.ir/paper/261900/en

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