title: Abiotic and Biotic Processes of Mineral Weathering in Tundra Soils on Ultramafic and Mafic Rocks of the Polar Urals, Russia
metadata.name: dc.contributor.author
metadata.value: Ершова, Виктория Бэртовна
metadata.lang: -
metadata.name: dc.date.accessioned
metadata.value: 2020-09-08T16:49:02Z
metadata.lang: -
metadata.name: dc.date.available
metadata.value: 2020-09-08T16:49:02Z
metadata.lang: -
metadata.name: dc.date.issued
metadata.value: 2016
metadata.lang: -
metadata.name: dc.identifier.uri
metadata.value: http://hdl.handle.net/11701/19295
metadata.lang: -
metadata.name: dc.description.abstract
metadata.value: The weathering of mafic and ultramafic rocks in soil environment was
  investigated in weakly developed soil profiles in order to determine the origin of
  phyllosilicate association in the soils formed in humid cold climate of the mountainous
  tundra of the Polar Urals. The objects of the study are represented by soils
  formed (i) on and underlain by the ultramafic rock and (ii) on the moraine composed
  of the mafic rock with an admixture of the ultramafic rock fragments. The
  minerals found in the clay fraction (<1 μm) of the profiles are the same, characterized
  by the presence of smectite (saponite), which is absent in both mafic and
  ultramafic rocks; serpentine and talc identified in ultramafic rock; and chlorite.
  Chlorite was found in both types of rocks. It was shown that the appearance of
  smectite (saponite) in the weakly developed soil is not related to pedogenesis. But
  these soil profiles illustrate the possibility of soil formation on “mature” fine earth
  formed from a high-sensitive ultramafic rock due to chemical weathering. In cold
  soil environment the more weatherable ultramafic material plays the more important
  role as a prerequisite for the weathering trends and soil formation than a mafic rock.
  The admixture of ultramafic materials mitigates the development of Entic Podzols
  which were earlier found in the Polar Urals on the pure mafic materials. So, the
  presence of ultramafic materials either predominating or even in admixture results
  in the “extreme lithological environment” for a pedogenesis and in the formation of
  weakly developed soils—Regosols and Leptosols.
metadata.lang: en_GB
metadata.name: dc.language.iso
metadata.value: en
metadata.lang: en_GB
metadata.name: dc.publisher
metadata.value: Springer-Verlag
metadata.lang: en_GB
metadata.name: dc.title
metadata.value: Abiotic and Biotic Processes of Mineral Weathering in Tundra Soils on Ultramafic and Mafic Rocks of the Polar Urals, Russia
metadata.lang: en_GB
metadata.name: dc.type
metadata.value: Book chapter
metadata.lang: en_GB
resources.filename: Lessovaia-et-al-2016.pdf
resources.url: https://dspace.spbu.ru/bitstream/11701/19295/1/Lessovaia-et-al-2016.pdf
resources.format: Adobe PDF
resources.size: 708,34 kB