1 Ocak 2022 Dergi makalesi Açık Erişim

Aktag, Alican; Sayit, Kaan; Peters, Bradley J.; Furman, Tanya; Rickli, Jorg

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/258853</identifier>
  <creators>
    <creator>
      <creatorName>Aktag, Alican</creatorName>
      <givenName>Alican</givenName>
      <familyName>Aktag</familyName>
    </creator>
    <creator>
      <creatorName>Sayit, Kaan</creatorName>
      <givenName>Kaan</givenName>
      <familyName>Sayit</familyName>
      <affiliation>Middle East Tech Univ, Dept Geol Engn, TR-06800 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Peters, Bradley J.</creatorName>
      <givenName>Bradley J.</givenName>
      <familyName>Peters</familyName>
      <affiliation>Swiss Fed Inst Technol, Inst Geochem &amp; Petrol, Clausiusstr 25, CH-8092 Zurich, Switzerland</affiliation>
    </creator>
    <creator>
      <creatorName>Furman, Tanya</creatorName>
      <givenName>Tanya</givenName>
      <familyName>Furman</familyName>
      <affiliation>Penn State Univ, Dept Geosci, University Pk, PA 16802 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Rickli, Jorg</creatorName>
      <givenName>Jorg</givenName>
      <familyName>Rickli</familyName>
      <affiliation>Swiss Fed Inst Technol, Inst Geochem &amp; Petrol, Clausiusstr 25, CH-8092 Zurich, Switzerland</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Trace Element And Sr-Nd-Hf-Pb Isotopic Constraints On The Composition And Evolution Of Eastern Anatolian Sub-Lithospheric Mantle</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2022</publicationYear>
  <dates>
    <date dateType="Issued">2022-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/258853</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.lithos.2022.106849</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">Quaternary Elazig mafic alkaline volcanism is part of the anorogenic volcanic system of the circum-Mediterranean region, and it provides crucial insights into the chemical nature of the mantle source domains beneath eastern Turkey. Elemental and isotope geochemistry reveals that these mafic lithologies are mainly free of crustal contamination, reflecting geochemical signatures inherited from partial melting of their mantle sources. The trace element and Sr-Nd-Hf-Pb isotope systematics of the most primitive members of this volcanism are consistent with a predominant contribution from a sub-lithospheric component which compositionally re-sembles component C, believed to be common to global OIBs and MORBs. However, the total range of the isotope data also requires the involvement of two additional mantle components into their genesis: a depleted asthenospheric component (DM) and an enriched component (EM-type) representing metasomatized lithospheric mantle. We propose that the recycled oceanic lithologies with C-like signatures are dispersed in the astheno-spheric mantle beneath eastern Anatolia and have undergone mixing with the depleted mantle matrix. When considering these with the melting models, it appears that the garnet-facies partial melts of the C-DM mixture have experienced a small degree of interaction with the melts from an SCLM domain modified by slab-derived melts and/or fluids. The metasomatized SCLM domain may be intrinsic to the eastern Anatolian lithosphere or occur as pods embedded in the asthenosphere. The chemical characteristics of the Elazig Volcanics may confirm the wide-range dispersal of the common component in the sub-lithospheric mantle beneath the region extending from western Europe to eastern Turkey. However, the common component resides beneath Anatolia appear to have distinct composition (i.e., Pb isotope systematics) than the ubiquitous component shared mostly by European intraplate volcanics (i.e., LVC/EAR).</description>
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