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  <titleInfo>
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    <title>ordovícico de la zona de Arroyo Volcán, en la sierra de Sta.Bárbara, prov. de Jujuy</title>
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  <name type="personal">
    <namePart>Aceñolaza, Florencio G.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Gonzalez, O. E.</namePart>
  </name>
  <name type="corporate">
    <namePart>Instituto de Geología y Minería</namePart>
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  <abstract>This paper describes stratigraphical and paleontological characteriste at Ordovician auteroping bed in Arroyo Volcán área, in the Jujuy province.- This section at Volcán Group is refered, and tickness is 2250 m, and is formed by shales and sandstones. The fauna are composed by Geragnostus (Micragnostus) sp. Parabolinopsis mariana Hoek, Saltaspis cf S. steinmanni, Parabolinella argentinensis, Triarthrus tetragonadis, Angelina kayseri, Nonorthis grandis,Bucania eyrtohypha, Skolithos sp. and Cruziana furcífera.</abstract>
  <note>Relevamiento: 1977.</note>
  <subject>
    <topic>Estratigrafía</topic>
  </subject>
  <subject>
    <topic>Ordovícico</topic>
  </subject>
  <subject authority="lcsh">
    <geographic>Arroyo Volcán</geographic>
  </subject>
  <subject authority="lcsh">
    <geographic>Jujuy</geographic>
  </subject>
  <subject authority="lcsh">
    <geographic>Sierra Santa Bárbara</geographic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Revista del Instituto de Geología y Minería</title>
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    <identifier type="issn">0326-9817</identifier>
    <part>
      <text>no.2, p.125-137</text>
    </part>
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    <recordCreationDate encoding="marc">251215</recordCreationDate>
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