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A geophysical investigation of the southern Jalisco block in the State of Colima, Mexico

A geophysical investigation of the southern Jalisco block in the State of Colima, Mexico

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Autor
Serpa, Laura; Department of Geology and Geophysics, University of New Orleans, New Orleans, U.S.A.
Smith, Stacy; Department of Geology and Geophysics, University of New Orleans, New Orleans, U.S.A.
Katz, Cassandra; Department of Geology and Geophysics, University of New Orleans, New Orleans, U.S.A.
Skidmore, Charles; Department of Geology and Geophysics, University of New Orleans, New Orleans, U.S.A.
Sloan, Robert; Department of Geology and Geophysics, University of New Orleans, New Orleans, U.S.A.
Pavlis, Terry; Department of Geology and Geophysics, University of New Orleans, New Orleans, U.S.A.
Institución
Resumen
Geological mapping and potential field studies in the State of Colima, Mexico were conducted to study previously interpreted neotectonic extension across the Colima graben. Our studies indicate that little, or no, extension has occurred south of Volcan de Colima and that the features previously inferred to be extensional structures are instead erosional landforms related to older deformation and downcut streams due to rapid sedimentation from Volcan de Colima.
 
Se reportan estudios de geología y de campos potenciales en el Estado de Colima, México, para estudiar la extensión neotectónica previamente interpretada a través del Graben de Colima. Nuestros estudios indican que la extensión tectónica al sur del Volcán de Colima es nula o muy pequeña y que los rasgos interpretados previamente como estructuras extensionales son rasgos erosionales relacionados con antiguas deformaciones o a cortes de barrancas producidos por la rápida sedimentación del Volcán de Colima.
 
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