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dc.contributor.author
Aguirre-Urreta, Maria Beatriz
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dc.contributor.author
Mourgues, F. Amaro
dc.contributor.author
Rawson, Peter F.
dc.contributor.author
Bulot, Luc G.
dc.contributor.author
Jaillard, Etienne
dc.date.available
2020-01-03T20:57:30Z
dc.date.issued
2007-04
dc.identifier.citation
Aguirre-Urreta, Maria Beatriz; Mourgues, F. Amaro; Rawson, Peter F.; Bulot, Luc G.; Jaillard, Etienne; The Lower Cretaceous Chañarcillo and Neuquén Andean basins: ammonoid biostratigraphy and correlations; John Wiley & Sons Ltd; Geological Journal (Chichester); 42; 2; 4-2007; 143-173
dc.identifier.issn
0072-1050
dc.identifier.uri
http://hdl.handle.net/11336/93527
dc.description.abstract
The Chañarcillo and Neuquén basins of the Central Andes shared a common geological history in the earlier part of the Early Cretaceous but from Barremian times onward their evolution began to diverge, probably due to an increasing activity of an intervening volcanic arc. The Berriasian to Lower Barremian sequences were mainly marine and include rich ammonoid faunas, with many taxa in common to both the basins. They include both Andean and near-pandemic forms, the latter providing some good correlation levels with the 'standard' Mediterranean sequence. Marine conditions persisted in the Chañarcillo Basin till Early Albian times; the associated ammonoid faunas include pandemic, Pacific and Antarctic genera. In contrast, in the Neuquén Basin evaporites and continental clastics of the Huitrín Formation mark the beginning of a long disconnection with the Pacific Ocean, though a short-lived marine incursion is represented by the carbonates of La Tosca Member of the Huitrín Formation. The ammonoid faunas of the two basins are compared here, and a detailed biostratigraphic division of the sequences is discussed and compared with the Mediterranean succession.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons Ltd
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AMMONITES
dc.subject
BIOSTRATIGRAPHY
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CHAÑARCILLO BASIN
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CORRELATIONS
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LOWER CRETACEOUS
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NEUQUÉN BASIN
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SOUTH AMERICA
dc.subject.classification
Geología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
The Lower Cretaceous Chañarcillo and Neuquén Andean basins: ammonoid biostratigraphy and correlations
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-11-25T17:29:25Z
dc.journal.volume
42
dc.journal.number
2
dc.journal.pagination
143-173
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Aguirre-Urreta, Maria Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos "Don Pablo Groeber". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Estudios Andinos "Don Pablo Groeber"; Argentina
dc.description.fil
Fil: Mourgues, Amaro F.. Servicio Nacional de Geología y Minería; Chile
dc.description.fil
Fil: Rawson, Peter F.. University College London; Reino Unido
dc.description.fil
Fil: Bulot, Luc G.. Universite de Provence; Francia
dc.description.fil
Fil: Jaillard, Etienne. IRD–LGCA, Maison des Géosciences; Francia
dc.journal.title
Geological Journal (Chichester)
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1002/gj.1068
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/gj.1068
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