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Volcanic effects on the formation of hydrocarbon source rocks.

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Title: Volcanic effects on the formation of hydrocarbon source rocks.
Authors: Shen, Jun1 (AUTHOR) shenjun@cug.edu.cn, Xie, Shucheng1 (AUTHOR) xiecug@163.com, Xu, Yigang2 (AUTHOR)
Source: SCIENCE CHINA Earth Sciences. Jun2026, Vol. 69 Issue 6, p1951-1960. 10p.
Subject Terms: *Volcanism, *Petroleum reserves, *Biogeochemistry, *Sedimentation & deposition, *Sedimentary rocks, *Primary productivity (Biology), *Energy security, *Organic compounds
Abstract: Organic-rich hydrocarbon source rocks (HSRs) are important reservoirs for petroleum resources. Understanding their formation and controlling mechanisms is therefore critical for energy security and economic development. However, it is still much debated about the processes and control factors of the large-scale HSRs formation. Recently, volcanism has been increasingly assumed as an important trigger for the formation of high-quality HSRs during the Earth's history. Previous studies have mainly emphasized the release of large amounts of nutrients (e.g., phosphorus, iron, and silicon) from volcanism, which enhances surface-water primary productivity and increases the flux of organic carbon to deep waters and sediments, thereby promoting organic matter burial. However, the volcanic impact on HSR formation is far more complex. Volcanism can profoundly modulate the formation of HSRs across a wide range of spatial and temporal scales by altering Earth's surface habitability. This study systematically synthesizes the effects and underlying mechanisms of volcanism on the production, deposition, and preservation of organic matter. The aim is to develop a comprehensive framework for understanding the multifaceted role of volcanism in HSR formation, thus providing theoretical guidance for the exploration and development of petroleum resources. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 194358151
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
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  Data: Volcanic effects on the formation of hydrocarbon source rocks.
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  Data: <searchLink fieldCode="AR" term="%22Shen%2C+Jun%22">Shen, Jun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> shenjun@cug.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xie%2C+Shucheng%22">Xie, Shucheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xiecug@163.com</i><br /><searchLink fieldCode="AR" term="%22Xu%2C+Yigang%22">Xu, Yigang</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22SCIENCE+CHINA+Earth+Sciences%22">SCIENCE CHINA Earth Sciences</searchLink>. Jun2026, Vol. 69 Issue 6, p1951-1960. 10p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Volcanism%22">Volcanism</searchLink><br />*<searchLink fieldCode="DE" term="%22Petroleum+reserves%22">Petroleum reserves</searchLink><br />*<searchLink fieldCode="DE" term="%22Biogeochemistry%22">Biogeochemistry</searchLink><br />*<searchLink fieldCode="DE" term="%22Sedimentation+%26+deposition%22">Sedimentation & deposition</searchLink><br />*<searchLink fieldCode="DE" term="%22Sedimentary+rocks%22">Sedimentary rocks</searchLink><br />*<searchLink fieldCode="DE" term="%22Primary+productivity+%28Biology%29%22">Primary productivity (Biology)</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+security%22">Energy security</searchLink><br />*<searchLink fieldCode="DE" term="%22Organic+compounds%22">Organic compounds</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Organic-rich hydrocarbon source rocks (HSRs) are important reservoirs for petroleum resources. Understanding their formation and controlling mechanisms is therefore critical for energy security and economic development. However, it is still much debated about the processes and control factors of the large-scale HSRs formation. Recently, volcanism has been increasingly assumed as an important trigger for the formation of high-quality HSRs during the Earth's history. Previous studies have mainly emphasized the release of large amounts of nutrients (e.g., phosphorus, iron, and silicon) from volcanism, which enhances surface-water primary productivity and increases the flux of organic carbon to deep waters and sediments, thereby promoting organic matter burial. However, the volcanic impact on HSR formation is far more complex. Volcanism can profoundly modulate the formation of HSRs across a wide range of spatial and temporal scales by altering Earth's surface habitability. This study systematically synthesizes the effects and underlying mechanisms of volcanism on the production, deposition, and preservation of organic matter. The aim is to develop a comprehensive framework for understanding the multifaceted role of volcanism in HSR formation, thus providing theoretical guidance for the exploration and development of petroleum resources. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1007/s11430-025-1913-4
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 10
        StartPage: 1951
    Subjects:
      – SubjectFull: Volcanism
        Type: general
      – SubjectFull: Petroleum reserves
        Type: general
      – SubjectFull: Biogeochemistry
        Type: general
      – SubjectFull: Sedimentation & deposition
        Type: general
      – SubjectFull: Sedimentary rocks
        Type: general
      – SubjectFull: Primary productivity (Biology)
        Type: general
      – SubjectFull: Energy security
        Type: general
      – SubjectFull: Organic compounds
        Type: general
    Titles:
      – TitleFull: Volcanic effects on the formation of hydrocarbon source rocks.
        Type: main
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          Name:
            NameFull: Shen, Jun
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            NameFull: Xie, Shucheng
      – PersonEntity:
          Name:
            NameFull: Xu, Yigang
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          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 16747313
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              Value: 69
            – Type: issue
              Value: 6
          Titles:
            – TitleFull: SCIENCE CHINA Earth Sciences
              Type: main
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