NDLI: Spatial distribution of mineral components in microcombinations of agrogrey soils with the second humus horizon in the Vladimir opolie area

Content Provider	Springer Nature Link
Author	Chizhikova, N. P. Karpova, D. V.
Copyright Year	2016
Abstract	Mineralogical composition of silt and clay fractions (<1.1–5 and 5–10 µm) in heavy loamy agrogrey soils (Luvic Retic Phaeozems) considerably changes both in the vertical (along the soil profile) and horizontal (along soil microcatenas) directions. The eluvial–illuvial distribution pattern of the clay fraction in the podzolized agrogrey soils with the second humus horizon is replaced by the homogeneous distribution in the agrogrey soils with residual carbonates. The distribution of silt fractions in the soil profiles is relatively homogeneous. The clay (<1 µm) fraction of the parent material is represented by the poorly ordered micasmectite interstratifications minerals, the proportion between which changes in the soil profiles in dependence on the particular pedogenetic processes. Hydromicas represent the second important component of the clay fraction. They consist of di- and trioctahedral varieties, the proportion between which changes in the soil profiles. Kaolinite and iron–magnesium chlorite are present in smaller amounts. The second humus horizon is characterized by the lowest content of mica-smectite interstratifications minerals with the high content of smectitic layers and by the lowest content of the clay fraction. Silt fractions are composed of quartz, micas, potassium feldspars, and plagioclases.
Starting Page	1038
Ending Page	1048
Page Count	11
File Format	PDF
ISSN	10642293
Journal	Eurasian Soil Science
Volume Number	49
Issue Number	9
e-ISSN	1556195X
Language	English
Publisher	Pleiades Publishing
Publisher Date	2016-09-04
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	agrogray soils (Luvic Retic Phaeozems) agrogrey soils with the second humus horizon (Luvic Retic Greyzemic Phaeozems (Pachic)) mineralogy of the fine (<1, 1–5, and 5–10 μm) fractions micasmectite interstratifications minerals hydromicas kaolinite chlorite Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Soil Science

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