1 Ocak 2022 Dergi makalesi Açık Erişim

Yesiltas, Mehmet; Kebukawa, Yoko; Glotch, Timothy D.; Zolensky, Michael; Fries, Marc; Aysal, Namik; Tukel, Fatma S.

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/253699</identifier>
  <creators>
    <creator>
      <creatorName>Yesiltas, Mehmet</creatorName>
      <givenName>Mehmet</givenName>
      <familyName>Yesiltas</familyName>
      <affiliation>Kirklareli Univ, Fac Aeronaut &amp; Space Sci, TR-39100 Kirklareli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Kebukawa, Yoko</creatorName>
      <givenName>Yoko</givenName>
      <familyName>Kebukawa</familyName>
      <affiliation>Yokohama Natl Univ, Fac Engn, Yokohama, Kanagawa 2408501, Japan</affiliation>
    </creator>
    <creator>
      <creatorName>Glotch, Timothy D.</creatorName>
      <givenName>Timothy D.</givenName>
      <familyName>Glotch</familyName>
      <affiliation>SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11790 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Zolensky, Michael</creatorName>
      <givenName>Michael</givenName>
      <familyName>Zolensky</familyName>
      <affiliation>Johnson Space Ctr, NASA, Astromat Res &amp; Explorat Sci, Houston, TX 77058 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Fries, Marc</creatorName>
      <givenName>Marc</givenName>
      <familyName>Fries</familyName>
      <affiliation>Johnson Space Ctr, NASA, Astromat Res &amp; Explorat Sci, Houston, TX 77058 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Aysal, Namik</creatorName>
      <givenName>Namik</givenName>
      <familyName>Aysal</familyName>
      <affiliation>Istanbul Univ Cerrahpasa, Dept Geol Engn, TR-34320 Istanbul, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Tukel, Fatma S.</creatorName>
      <givenName>Fatma S.</givenName>
      <familyName>Tukel</familyName>
      <affiliation>Istanbul Univ Cerrahpasa, Dept Geol Engn, TR-34320 Istanbul, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Compositional And Spectroscopic Investigation Of Three Ungrouped Carbonaceous Chondrites</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/253699</alternateIdentifier>
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  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1111/maps.13893</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">Ungrouped carbonaceous chondrites are not easily classified into one of the well-established groups due to compositional/petrological differences and geochemical anomalies. Type 2 ungrouped carbonaceous chondrites represent a very small fraction of all carbonaceous chondrites. They can potentially represent different aspects of asteroids and their regolith material. By conducting a multitechnique investigation, we show that Queen Alexandra Range (QUE) 99038 and Elephant Moraine (EET) 83226 do not resemble type 2 carbonaceous chondrites. QUE 99038 exhibits coarse-grained matrix, Fe-rich rims on olivines, and an apparent lack of tochilinite, suggesting that QUE 99038 has been metamorphosed. Its polyaromatic organic matter structures closely resemble oxidized CV3 chondrites. EET 83226 exhibits a clastic texture with high porosity and shows similarities to CO3 chondrites. It consists of numerous large chondrules with fine-grained rims that are often fragmented and discontinuous and set within matrix, suggesting a formation mechanism for the rims in a regolith environment. The kind of processes that can result in such chemical compositions as in QUE 99038 and EET 83226 is currently not fully known and clearly presents a conundrum. Tarda is a highly friable carbonaceous chondrite with close resemblance to Tagish Lake (ungrouped C2 chondrite). It comprises different types of chondrules (some with Fe-rich rims), framboid magnetite, sulfides, carbonates, and phyllosilicate- and carbon-rich matrix, and is consistent with being an ungrouped C2 chondrite.</description>
  </descriptions>
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