Neogene-Quaternary seismic stratigraphy of the Llancanelo Lake Basin, Mendoza, Argentina

ABSTRACT A new shallow multichannel seismic survey was carried out in the Llancanelo Lake region (Southern Mendoza Province, Argentina), in order to complete and extend previously surveyed seismic sections. The new seismic data allowed to double the already existing data. The obtained information wa...

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Autores principales: Onnis,Luciano, Violante,Roberto Antonio, Osella,Ana, de la Vega,Matías, Tassone,Alejandro, López,Ernesto
Lenguaje:English
Publicado: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2018
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062018000100035
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spelling oai:scielo:S0718-710620180001000352018-02-22Neogene-Quaternary seismic stratigraphy of the Llancanelo Lake Basin, Mendoza, ArgentinaOnnis,LucianoViolante,Roberto AntonioOsella,Anade la Vega,MatíasTassone,AlejandroLópez,Ernesto Neogene-Quaternary Seismic stratigraphy Shallow seismic Llancanelo ABSTRACT A new shallow multichannel seismic survey was carried out in the Llancanelo Lake region (Southern Mendoza Province, Argentina), in order to complete and extend previously surveyed seismic sections. The new seismic data allowed to double the already existing data. The obtained information was correlated with seismic and stratigraphic data from the industry. In this way it was possible to depict the major Neogene-Quaternary sedimentary-volcanic sequences and the regional evolution of a tectonic-volcanic basin located in a key region at the eastern foot of the Andes cordillera. This research is settled on early studies that comprised seismic works reaching depths of 600-700 m as well as geoelectric and electromagnetic surveys reaching the uppermost 80-100 m of the sequences. The obtained results indicate the presence of three major sedimentary units separated by conspicuous seismic horizons SR1, SR2 and SR3, respectively considered as representing the late Mesozoic transition from marine to continental deposition, the beginning of the Cenozoic basaltic volcanism, and the change from dominantly sedimentary to dominantly volcanic processes at the base of the Quaternary. The resulting stratigraphic scheme reveals increasing volcanic (basaltic layers) intercalations with depth that accommodate to the geometry of the depocenter.info:eu-repo/semantics/openAccessServicio Nacional de Geología y Minería (SERNAGEOMIN)Andean geology v.45 n.1 20182018-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062018000100035en10.5027/andgeov45n1-3026
institution Scielo Chile
collection Scielo Chile
language English
topic Neogene-Quaternary
Seismic stratigraphy
Shallow seismic
Llancanelo
spellingShingle Neogene-Quaternary
Seismic stratigraphy
Shallow seismic
Llancanelo
Onnis,Luciano
Violante,Roberto Antonio
Osella,Ana
de la Vega,Matías
Tassone,Alejandro
López,Ernesto
Neogene-Quaternary seismic stratigraphy of the Llancanelo Lake Basin, Mendoza, Argentina
description ABSTRACT A new shallow multichannel seismic survey was carried out in the Llancanelo Lake region (Southern Mendoza Province, Argentina), in order to complete and extend previously surveyed seismic sections. The new seismic data allowed to double the already existing data. The obtained information was correlated with seismic and stratigraphic data from the industry. In this way it was possible to depict the major Neogene-Quaternary sedimentary-volcanic sequences and the regional evolution of a tectonic-volcanic basin located in a key region at the eastern foot of the Andes cordillera. This research is settled on early studies that comprised seismic works reaching depths of 600-700 m as well as geoelectric and electromagnetic surveys reaching the uppermost 80-100 m of the sequences. The obtained results indicate the presence of three major sedimentary units separated by conspicuous seismic horizons SR1, SR2 and SR3, respectively considered as representing the late Mesozoic transition from marine to continental deposition, the beginning of the Cenozoic basaltic volcanism, and the change from dominantly sedimentary to dominantly volcanic processes at the base of the Quaternary. The resulting stratigraphic scheme reveals increasing volcanic (basaltic layers) intercalations with depth that accommodate to the geometry of the depocenter.
author Onnis,Luciano
Violante,Roberto Antonio
Osella,Ana
de la Vega,Matías
Tassone,Alejandro
López,Ernesto
author_facet Onnis,Luciano
Violante,Roberto Antonio
Osella,Ana
de la Vega,Matías
Tassone,Alejandro
López,Ernesto
author_sort Onnis,Luciano
title Neogene-Quaternary seismic stratigraphy of the Llancanelo Lake Basin, Mendoza, Argentina
title_short Neogene-Quaternary seismic stratigraphy of the Llancanelo Lake Basin, Mendoza, Argentina
title_full Neogene-Quaternary seismic stratigraphy of the Llancanelo Lake Basin, Mendoza, Argentina
title_fullStr Neogene-Quaternary seismic stratigraphy of the Llancanelo Lake Basin, Mendoza, Argentina
title_full_unstemmed Neogene-Quaternary seismic stratigraphy of the Llancanelo Lake Basin, Mendoza, Argentina
title_sort neogene-quaternary seismic stratigraphy of the llancanelo lake basin, mendoza, argentina
publisher Servicio Nacional de Geología y Minería (SERNAGEOMIN)
publishDate 2018
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062018000100035
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AT violanterobertoantonio neogenequaternaryseismicstratigraphyofthellancanelolakebasinmendozaargentina
AT osellaana neogenequaternaryseismicstratigraphyofthellancanelolakebasinmendozaargentina
AT delavegamatias neogenequaternaryseismicstratigraphyofthellancanelolakebasinmendozaargentina
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