000 03419nmc a2200301 4500
005 20260520010405.0
008 260224s2018 xxu esp
041 _aEspañol
082 _a068.82 553.28 C62 2018 0015658
245 0 0 _aAnálisis estructural del Área Agua Botada (Faja Plegada y Corrida Malargüe) y su relación con potenciales reservorios ígneos
260 _a
_b
_c2018
270 _a02/09/2025 ; 09/04/2019
300 _a21 p. ; 461-482
520 _aIn the southern part of Mendoza province, Neuquén Basin, igneous intrusives hosted in the Mezosoic sedimentary succession produce oil in some regions of the basin as in the Valle del Río Grande area. In order to evaluate the relationship between the structural evolution and the igneous bodies intrusion, a structural study of the Agua Botada field (north of Valle del Río Grande area) near the deformation front of the Malargüe fold-and-thrust belt, is presented here.A 3D structural model was developed using surface and subsurface information (oil-well logs and seismic data) to understand the kinematic evolution of the structures. Previous NNW rift faults show inversion under andean compression while NW to WNW rift faults are probably not inverted but reactivated as strike-slip fault.In addition the igneous bodies were surveyed and when possible, slip data was obtained. The inversion of these data provided the stress field responsible of faulting which is inferred to be coeval and related to the intrusion. Dykes and sills were recognized: dykes striking NW to WNW show strike-slip faulting with hydrothermal alteration and hydrocarbon traces, while E-W striking dykes are not sheared and show weak hydrothermal alteration and no traces of hydrocarbons; some sills are faulted as well with the same kinematic as faulted dykes and some are intruded using reverse fault planes, showing hydrothermal alteration and oil traces. The swarms of igneous bodies irradiate from two main feeders and show a general WNW trending which coincides with previous normal faults. The interpretation of the obtained structural data allowed to develop a geological evolution model with three main stages: in the first stage from 17-10 Ma Agua Botada field was in the foredeep of the foreland basin and the compression took place to the west of it. In the second stage (10-7 Ma) the deformation migrated to the east and the western part of Agua Botada was under compression with igneous emplacement as sills in reverse faults. In the eastern zone a strike-slip to compressional stress field reactived the previous rift faults which were suitable as magmatic flow paths. Finally in the third stage (7-1 Ma) the deformation front migrated toward the east with the inversion of Malargüe normal fault that tilted the mesozoic sediments.
773 _g
942 _cCONGTP
100 1 _aBarrionuevo, Matías
_958776
100 1 _aCal, Hernán de la
_958762
100 1 _aMescua, José
_955796
100 1 _aGiambiagi, Laura
_955791
100 1 _aSuriano, Julieta
_955411
100 1 _aSoto, Jorge Luis
_958777
111 2 _aCongreso de Exploración y Desarrollo de Hidrocarburos (10mo. : 2018 nov. 5 - 9 : Mendoza)
_9573
650 0 _aCuenca Neuquina
_9919
650 0 _aHidrocarburos
_94681
999 _c192821
_d192821
856 _uhttps://biblioteca.iapg.org.ar/ArchivosAdjuntos/Conexplor2018/1418.pdf