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Diagenetic Evolution of Upper Jurassic-Lower Cretaceous Berdiga Formation, NE Turkey: Petrographic and Geochemical Evidence

Ozyurt, Merve; Al-Aasm, Ihsan S.; Kirmaci, M. Ziya


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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/214163</identifier>
  <creators>
    <creator>
      <creatorName>Ozyurt, Merve</creatorName>
      <givenName>Merve</givenName>
      <familyName>Ozyurt</familyName>
    </creator>
    <creator>
      <creatorName>Al-Aasm, Ihsan S.</creatorName>
      <givenName>Ihsan S.</givenName>
      <familyName>Al-Aasm</familyName>
      <affiliation>Univ Windsor, Dept Earth &amp; Environm Sci, 401 Sunset Ave, Windsor, ON N9B 3P4, Canada</affiliation>
    </creator>
    <creator>
      <creatorName>Kirmaci, M. Ziya</creatorName>
      <givenName>M. Ziya</givenName>
      <familyName>Kirmaci</familyName>
      <affiliation>Karadeniz Tech Univ, Dept Geol Engn, TR-61080 Trabzon, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Diagenetic Evolution Of Upper Jurassic-Lower Cretaceous Berdiga Formation, Ne Turkey: Petrographic And Geochemical Evidence</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2019</publicationYear>
  <dates>
    <date dateType="Issued">2019-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Conference paper</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/214163</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1007/978-3-030-01452-0_42</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">Upper Jurassic-lower Cretaceous Berdiga Formation crops out extensively in NE Turkey. The host carbonates at Eski Gumushane section are pervasively dolomitized by fabric-destructive and fabric-preserving replacive dolomites (RD). These dolomites are Ca-rich and non-stoichiometric (Ca56-58Mg42-44). They have highly variable but low delta O-18 (-11.38 to -4.05 parts per thousand V-PDB) and delta C-13 (0.69 to 3.13 parts per thousand V-PDB) values, radiogenic Sr-87/Sr-86 ratios (0.70753 to 0.70884), extremely high Fe (2727-21053 ppm) and Mn (1548-27726 ppm) contents. Micro-crystalline quartz cement, dolomite cement and the scattered euhedral pyrite minerals (average 5 mu m) are also observed in the dissolution porosity of replacive dolomites. This study demonstrates that these carbonates have undergone a complex diagenetic history from shallow to deep burial associated with syn-sedimentary extensional tectonic activity during the Albian-Aptian and later with the hydrothermal emplacement of the polymetallic mineralization during the Eocene.</description>
  </descriptions>
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