Analog model of extensional faults and comparison with the zone of tension Las Salinas, Province of Neuquén
To study the system of normal faults “Las Salinas” in the western flank of the Chihuidos high, Neuquén, Argentina, analogue models were performed. From digitalized serial sections of these models it was possible to develop a 3D box using the Software Andino 3D. This program allows to observe the gen...
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2018
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v75_n4_p592_Plotek http://hdl.handle.net/20.500.12110/paper_00044822_v75_n4_p592_Plotek |
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| Sumario: | To study the system of normal faults “Las Salinas” in the western flank of the Chihuidos high, Neuquén, Argentina, analogue models were performed. From digitalized serial sections of these models it was possible to develop a 3D box using the Software Andino 3D. This program allows to observe the generated structures and follow the different phases of evolution of the normal faults. We compared them with the prototype in the Neuquén Basin, concluding that the normal faults that present an apparent continuity at the end of the experiment are the result of the linkage of overlapping minor faults segments that interact while the extension increases. Moreover, we propose that normal faulting in the area responds to a model of structures in domino, generated due to the migration of salt located at low depth and the regional slope given by the western flank of the Chihuidos high. © 2018, Asociacion Geologica Argentina. All rights reserved. |
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