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Some Features of the Lithogeochemistry of Surface Bottom Sediments in the Pechora River Delta.

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Title: Some Features of the Lithogeochemistry of Surface Bottom Sediments in the Pechora River Delta.
Authors: Maslov, A. V.1 (AUTHOR) amas2004@mail.ru, Starodymova, D. P.2 (AUTHOR) starodymova.dp@ocean.ru, Demidenko, N. A.2 (AUTHOR), Alabyan, A. M.3 (AUTHOR), Kuzmina, E. E.2 (AUTHOR), Shevchenko, V. P.2 (AUTHOR)
Source: Lithology & Mineral Resources. Aug2026, Vol. 61 Issue 4, p333-344. 12p.
Subject Terms: *Composition of sediments, *River deltas, *Feldspar, *Sediments, *Trace elements, *Heavy metals, *Marine sediments
Geographic Terms: Ural Mountains (Russia)
Abstract: Some lithogeochemical features of surface bottom sediments (silty sands, silty pelites, and pelitic silts) in the Pechora River Delta are analyzed. It was found that their bulk chemical composition (calculated on the anhydrous basis) is similar to that of the Pechora River suspended matter. The previous assumption that the detrital material composing the surface bottom sediments are predominantly sourced from sedimentary and felsic igneous rocks of the Urals is confirmed. The preservation of a provenance signal from this distant provenance in the Pechora River Delta is probably associated with both the rather harsh climate in the drainage basin and the absence of any other clastic sources in the middle and lower reaches of the Pechora River. It is shown that the content of the overwhelming majority of trace elements in the studied samples is noticeably lower or comparable to that in the upper continental crust. Absolute concentrations of heavy metals in bottom sediments of the Pechora River and Bol'shaya Zemlya Tundra soils, sampled in different years using various methods, have a fairly high degree of convergence. The main carriers of both heavy metals and other trace elements in bottom sediments are feldspars, fine-grained/silty–clayey components, as well as iron oxides and hydroxides. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
FullText Text:
  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 195072641
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Some Features of the Lithogeochemistry of Surface Bottom Sediments in the Pechora River Delta.
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  Data: <searchLink fieldCode="AR" term="%22Maslov%2C+A%2E+V%2E%22">Maslov, A. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> amas2004@mail.ru</i><br /><searchLink fieldCode="AR" term="%22Starodymova%2C+D%2E+P%2E%22">Starodymova, D. P.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> starodymova.dp@ocean.ru</i><br /><searchLink fieldCode="AR" term="%22Demidenko%2C+N%2E+A%2E%22">Demidenko, N. A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alabyan%2C+A%2E+M%2E%22">Alabyan, A. M.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kuzmina%2C+E%2E+E%2E%22">Kuzmina, E. E.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shevchenko%2C+V%2E+P%2E%22">Shevchenko, V. P.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Lithology+%26+Mineral+Resources%22">Lithology & Mineral Resources</searchLink>. Aug2026, Vol. 61 Issue 4, p333-344. 12p.
– Name: Subject
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  Data: *<searchLink fieldCode="DE" term="%22Composition+of+sediments%22">Composition of sediments</searchLink><br />*<searchLink fieldCode="DE" term="%22River+deltas%22">River deltas</searchLink><br />*<searchLink fieldCode="DE" term="%22Feldspar%22">Feldspar</searchLink><br />*<searchLink fieldCode="DE" term="%22Sediments%22">Sediments</searchLink><br />*<searchLink fieldCode="DE" term="%22Trace+elements%22">Trace elements</searchLink><br />*<searchLink fieldCode="DE" term="%22Heavy+metals%22">Heavy metals</searchLink><br />*<searchLink fieldCode="DE" term="%22Marine+sediments%22">Marine sediments</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Ural+Mountains+%28Russia%29%22">Ural Mountains (Russia)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Some lithogeochemical features of surface bottom sediments (silty sands, silty pelites, and pelitic silts) in the Pechora River Delta are analyzed. It was found that their bulk chemical composition (calculated on the anhydrous basis) is similar to that of the Pechora River suspended matter. The previous assumption that the detrital material composing the surface bottom sediments are predominantly sourced from sedimentary and felsic igneous rocks of the Urals is confirmed. The preservation of a provenance signal from this distant provenance in the Pechora River Delta is probably associated with both the rather harsh climate in the drainage basin and the absence of any other clastic sources in the middle and lower reaches of the Pechora River. It is shown that the content of the overwhelming majority of trace elements in the studied samples is noticeably lower or comparable to that in the upper continental crust. Absolute concentrations of heavy metals in bottom sediments of the Pechora River and Bol'shaya Zemlya Tundra soils, sampled in different years using various methods, have a fairly high degree of convergence. The main carriers of both heavy metals and other trace elements in bottom sediments are feldspars, fine-grained/silty–clayey components, as well as iron oxides and hydroxides. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=195072641
RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1134/S0024490226600195
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 12
        StartPage: 333
    Subjects:
      – SubjectFull: Composition of sediments
        Type: general
      – SubjectFull: River deltas
        Type: general
      – SubjectFull: Feldspar
        Type: general
      – SubjectFull: Sediments
        Type: general
      – SubjectFull: Trace elements
        Type: general
      – SubjectFull: Heavy metals
        Type: general
      – SubjectFull: Marine sediments
        Type: general
      – SubjectFull: Ural Mountains (Russia)
        Type: general
    Titles:
      – TitleFull: Some Features of the Lithogeochemistry of Surface Bottom Sediments in the Pechora River Delta.
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            NameFull: Maslov, A. V.
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            NameFull: Starodymova, D. P.
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            NameFull: Demidenko, N. A.
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            NameFull: Alabyan, A. M.
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            – D: 01
              M: 08
              Text: Aug2026
              Type: published
              Y: 2026
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              Value: 61
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              Value: 4
          Titles:
            – TitleFull: Lithology & Mineral Resources
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