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Depósitos arenosos de un delta tipo Gilbert en el Urgoniano de Laga (Bizkaia): Facies y procesos sedimentarios
Sand deposits of a Gilbert type delta in the Urgonian of Laga (Bizkaia): Facies and sedimentary processes
| dc.contributor.author | Agirrezabala, Luis Miguel | |
| dc.contributor.author | García Mondéjar, Joaquín | |
| dc.date.accessioned | 2015-05-08T12:08:27Z | |
| dc.date.available | 2015-05-08T12:08:27Z | |
| dc.date.issued | 1997 | |
| dc.identifier.uri | http://hdl.handle.net/10272/10535 | |
| dc.description.abstract | Sand and silt deposits of a fluvial-dominated Gilbert type delta corresponding to an Urgonian mixed platform are described and interpreted. Their outcrop in Laga beach (Bizkaia) allows the recognition of10 sedimentary fades and the construction of a 70 m long and 11.5 m high detailed cross-section, showing the typical tripartite depositional geometry. Topset deposits are horizontally bedded fluvial sandstones with Internal trough cross-stratification. Foreset deposits, up to 28° dip, are composed of interbedded sandstones and fallout siltstones; sandstones were deposited by supercritic flows (chutes-and-pools, antidunes and plane beds) and gravity flows (sand flows, slumps, slides and creep?). Bottomset deposits, up to 5° dip, are composed of fallout siltstones and turbiditic sandstones. The development of the delta was related with active tilting | en_US |
| dc.language.iso | spa | en_US |
| dc.publisher | Sociedad Geológica de España | en_US |
| dc.rights | Atribución-NoComercial-SinDerivadas 3.0 España | * |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ | * |
| dc.subject.other | Gilbert type delta | en_US |
| dc.subject.other | Urgonian mixed platform | en_US |
| dc.subject.other | Basque-Cantabrian Basin | en_US |
| dc.title | Depósitos arenosos de un delta tipo Gilbert en el Urgoniano de Laga (Bizkaia): Facies y procesos sedimentarios | en_US |
| dc.title | Sand deposits of a Gilbert type delta in the Urgonian of Laga (Bizkaia): Facies and sedimentary processes | eng |
| dc.type | info:eu-repo/semantics/article | en_US |
| dc.rights.accessRights | info:eu-repo/semantics/openAccess | en_US |
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