2024-03-28T10:29:06Zhttp://buleria.unileon.es/oai/requestoai:buleria.unileon.es:10612/68672020-12-10T08:56:53Zcom_10612_17col_10612_18
Escuela Superior y Tecnica de Ingenieria Agraria
856a1694-0f87-4859-af51-f4c8c3f7d2be
500
Herrero Hernández, Antonio
2428a787-ab3e-4d08-8e6d-0e9b52bdd4bb
500
López Moro, Francisco Javier
3698b450-4b0c-43a0-8902-a833f18362d8
500
Valle Feijoo, Myriam Elena
1071
500
0000-0001-7715-9552
Gómez Fernández, Fernando
471
500
0000-0003-0508-7902
Rodríguez Pérez, José Ramón, 1968-
940
500
0000-0002-7776-2623
Ingeniería Cartografica, Geodesica y Fotogrametria
84251388-f390-444e-8143-b0438612792d
500
2017-04-01
2017-10-17T12:25:39Z
2017-10-17T12:25:39Z
2017-10-17
Geologica Carpathica, 2017, vol. 68, n. 2
http://hdl.handle.net/10612/6867
p. 165-174
The subsurface sedimentary succession of the Iberian Trough, Spain was examined using geophysical t echniques (analogue seismic profiles) and inverse distance weighted (IDW) interpolation algorithm implemented in a gvGIS open source software. The results showed that the Late Cretaceous succession is divided into two depositional sequences: DS1 (Late Albian–Middle Turonian) and DS2 (Late Turonian–Campanian). From the analogical seismic sections, digital data and quantitative isopach maps for DS1 and DS2 were obtained. The new isopach maps obtained for the DS1 sequence showed that the deeper sectors of the basin were located to the northeast and the proximal ones to the southwest. The palaeoshoreline was inferred to be situated in the N 150 direction. Across and parallel to this direction several blocks were delimited by faults, with a direction between 30 N and N 65. The thickness of the sediments in these blocks varied in direction NW–SE, with subsidence and depocentres in hangingwall and uplift in the footwall. These variations may have been related to active synsedimentary faults (e.g., Boñar and Yugueros Faults). In the DS2 sequence, a lineament separated the smaller thicknesses to the southwest from the larger thicknesses (up to 1400 m) to the northeast. This lineament had an N170 orientation and it indicated the position of the palaeoshoreline. In the isopach map for DS2 there were two groups of lineaments. The first showed a block structure that was limited by N100–120, they were foundering toward the S and had large thicknesses (depocentres), and rose towards the N, where there were smaller thicknesses. The second group of lineaments had a N 50–65 direction and, in this case, they had a similar interpretation as the one in DS1. The maps obtained are of great help for geologists and permit better understanding of the geological setting and stratigraphic succession of the Late Cretaceous of the Iberian Trough.
SI
eng
Board
Geodesia
Topografía
Iberian Trough
Late Cretaceous
Seismic
Isopach maps
GIS
IDW
Mapping of tecto-lineaments and their influence on sedimentological processes in a GIS environment: a case study of the Iberian trough, Spain
info:eu-repo/semantics/article
THUMBNAIL
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GeolCarp_Vol68_No2_165_174.pdf.txt
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10612/6867
oai:buleria.unileon.es:10612/6867
2020-12-10 09:56:53.526
BULERIA. Repositorio Institucional de la Universidad de León
buleria@unileon.es
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