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Title

Lithostratigraphical and tectono-sedimentary study of the Plio-Pleistocene infill of the Interandean North Cauca Valley Basin (Colombia)

Author
Directors
Espinosa, A.
Defense Thèse de doctorat : Univ. Genève, 2009 - Sc. 4141 - 2009/09/29
Collection Terre et Environnement; 106
Abstract This investigation focus on the study of the Plio-Plesitocene deposits in a zone covering parts of the Quindío, Risaralda and Valle del Cauca departments in Central Colombia. The results can be summarized as follows : In the initial phase, a vast field campaign, a detailed sedimentological study and facies analyses have led to the differentiation of various lithological units within the Zarzal Formation, allowing the stratigraphical redefinition of the Plio-Pleistocene sediments deposited in the northern part of the Cauca Basin, on both sides of the Serranía de Santa Barbara. This sedimentological study has demonstrated the existence of soft-sediment deformations interpreted as seismites. They demonstrate an intense synsedimentary seismic activity during the Plio-Pleistocene. The last part of this research presents a tectonic study at a larger scale than the studied North Cauca Basin. A dextral strike-slip zone has been evidenced. This deformation zone seems to be responsible for the closing of the North Cauca Basin studied here.
Keywords ColombiaZarzal formationCauca-Romeral fault systemNeotectonicSedimentologySoft sediment deformation
Identifiers
URN: urn:nbn:ch:unige-189486
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Thesis (6.8 MB) - public document Free access
Structures
Research group Reservoir Geology and Sedimentary Basin Analyses
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NEUWERTH, Ralph. Lithostratigraphical and tectono-sedimentary study of the Plio-Pleistocene infill of the Interandean North Cauca Valley Basin (Colombia). Université de Genève. Thèse, 2009. https://archive-ouverte.unige.ch/unige:18948

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Deposited on : 2012-03-21

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