Subsurface structure of the Tecocomulco sub-basin (northeastern Mexico basin), and its relationship to regional tectonics
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| Format: | Artículo científico |
| Langue: | en |
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Universidad Nacional Autónoma de México
2003
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| author | D. R. Alatriste Vilchis |
| author_facet | D. R. Alatriste Vilchis |
| contents | Subsurface structure of the Tecocomulco sub-basin (northeastern Mexico basin), and its relationship to regional tectonics D. R. Alatriste Vilchis R. Marines Campos M. A. Alatorre Zamora J. O. Campos Enríquez R. Huizar Álvarez Ciencias de la Tierra NE half graben detailed geology geophysical studies Gravity, magnetics, DC resistivity, VLF profiles, geologic mapping, and analysis of regional lineaments in the Tecocomulcosub-basin of the northeastern Mexico Basin were carried out. To the south, the structure is of the half-graben type. To the north, thebasin gets wider. Three NW-SE faults bound the half-graben to the E while only one delimits it to the W. Faults delimiting the halfgraben,as well as several cinder cones and the neighboring ranges delimiting the basin, have a NE-SW orientation. The halfgrabenstructure is due to tilting towards the NW of regional shallow crustal blocks. A chain of cinder cones interrupts thesouthward surficial drainage towards the neighboring Apan Basin, but we infer a communication at depth between these two subbasinsthrough a narrow graben. The faults in the Tecocomulco basin might still be active, as inferred by low-level seismicactivity. DC resistivity helped to characterize the stratigraphic sequence of the volcano-sedimentary infill. The Acoculco calderais not a piston-like caldera but a collapsed graben caldera. The Chichicuautla caldera has been downfaulted to the south by a NWSEfault. The gravity signature of the southern half of this caldera is masked by the presence of a structural high, or by maficbodies. 2003 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56842101 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.1 Vol.42 |
| format | Artículo científico |
| id | redalyc_56842101 |
| institution | Redalyc |
| language | en |
| publishDate | 2003 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Subsurface structure of the Tecocomulco sub-basin (northeastern Mexico basin), and its relationship to regional tectonics D. R. Alatriste Vilchis Ciencias de la Tierra NE half graben detailed geology geophysical studies Subsurface structure of the Tecocomulco sub-basin (northeastern Mexico basin), and its relationship to regional tectonics D. R. Alatriste Vilchis R. Marines Campos M. A. Alatorre Zamora J. O. Campos Enríquez R. Huizar Álvarez Ciencias de la Tierra NE half graben detailed geology geophysical studies Gravity, magnetics, DC resistivity, VLF profiles, geologic mapping, and analysis of regional lineaments in the Tecocomulcosub-basin of the northeastern Mexico Basin were carried out. To the south, the structure is of the half-graben type. To the north, thebasin gets wider. Three NW-SE faults bound the half-graben to the E while only one delimits it to the W. Faults delimiting the halfgraben,as well as several cinder cones and the neighboring ranges delimiting the basin, have a NE-SW orientation. The halfgrabenstructure is due to tilting towards the NW of regional shallow crustal blocks. A chain of cinder cones interrupts thesouthward surficial drainage towards the neighboring Apan Basin, but we infer a communication at depth between these two subbasinsthrough a narrow graben. The faults in the Tecocomulco basin might still be active, as inferred by low-level seismicactivity. DC resistivity helped to characterize the stratigraphic sequence of the volcano-sedimentary infill. The Acoculco calderais not a piston-like caldera but a collapsed graben caldera. The Chichicuautla caldera has been downfaulted to the south by a NWSEfault. The gravity signature of the southern half of this caldera is masked by the presence of a structural high, or by maficbodies. 2003 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56842101 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.1 Vol.42 |
| title | Subsurface structure of the Tecocomulco sub-basin (northeastern Mexico basin), and its relationship to regional tectonics |
| topic | Ciencias de la Tierra NE half graben detailed geology geophysical studies |
| url | https://www.redalyc.org/articulo.oa?id=56842101 |