1 Ocak 2022 Dergi makalesi Açık Erişim

Young, J. M.; Glotch, T. D.; Yesiltas, M.; Hamilton, V. E.; Breitenfeld, L. B.; Bechtel, H. A.; Corder, S. N. Gilbert; Yao, Z.

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/260789</identifier>
  <creators>
    <creator>
      <creatorName>Young, J. M.</creatorName>
      <givenName>J. M.</givenName>
      <familyName>Young</familyName>
      <affiliation>SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11794 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Glotch, T. D.</creatorName>
      <givenName>T. D.</givenName>
      <familyName>Glotch</familyName>
      <affiliation>SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11794 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Yesiltas, M.</creatorName>
      <givenName>M.</givenName>
      <familyName>Yesiltas</familyName>
      <affiliation>Kirklareli Univ, Fac Aeronaut &amp; Space Sci, Kirklareli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Hamilton, V. E.</creatorName>
      <givenName>V. E.</givenName>
      <familyName>Hamilton</familyName>
      <affiliation>Southwest Res Inst, Boulder, CO USA</affiliation>
    </creator>
    <creator>
      <creatorName>Breitenfeld, L. B.</creatorName>
      <givenName>L. B.</givenName>
      <familyName>Breitenfeld</familyName>
      <affiliation>SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11794 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Bechtel, H. A.</creatorName>
      <givenName>H. A.</givenName>
      <familyName>Bechtel</familyName>
      <affiliation>Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA USA</affiliation>
    </creator>
    <creator>
      <creatorName>Corder, S. N. Gilbert</creatorName>
      <givenName>S. N. Gilbert</givenName>
      <familyName>Corder</familyName>
      <affiliation>Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA USA</affiliation>
    </creator>
    <creator>
      <creatorName>Yao, Z.</creatorName>
      <givenName>Z.</givenName>
      <familyName>Yao</familyName>
    </creator>
  </creators>
  <titles>
    <title>Nano-Ftir Investigation Of The Cm Chondrite Allan Hills 83100</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/260789</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1029/2021JE007166</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">Mid-infrared (MIR) spectroscopy has been used with great success to quantitatively determine the mineralogy of geologic samples. It has been employed in a variety of contexts from determining bulk composition of powdered samples to spectroscopic imaging of rock thin sections via micro-Fourier transform infrared (micro-FTIR) imaging spectroscopy. Recent advances allow for IR measurements at the nanoscale. Near field nanoscale infrared imaging and spectroscopy with a broadband source (nano-FTIR) enable understanding of the spatial relationships between compositionally distinct materials within a sample. This will be of particular use when analyzing returned samples from Bennu and Ryugu, which are thought to be compositionally like CI or CM1/2 carbonaceous chondrites. Returned samples will likely contain olivine/pyroxene chondrules that have been transformed into hydrous phyllosilicates, sulfides, carbonates, and other alteration phases. The use of near-field infrared techniques to probe the boundaries between once pristine chondrules and alteration phases at the nanoscale is a novel approach to furthering our understanding of the compositional evolution of carbonaceous asteroids and the processes that drive their evolution. Here we report the results of nano-FTIR spectroscopy and imaging measurements performed on the carbonaceous chondrite Allan Hills (ALH) 83100 (CM1/2). We show with nanoscale resolution that spatially resolved Fe-Mg variations exist within the phyllosilicates around a chondrule rim. We also present effects of crystal orientation on the nano-FTIR spectra to account for the spectral differences between the meteorite and mineral spectra.</description>
  </descriptions>
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