期刊
JOURNAL OF STRUCTURAL GEOLOGY
卷 69, 期 -, 页码 147-162出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsg.2014.09.022
关键词
Sequential restorations; Salt tectonics; Passive diapirism; Pyrenees; Cotiella basin
资金
- Statoil
- Ministerio de Ciencia e Innovacion (Proyecto INTECIDSAL) [CGL2010-21968-C02-01]
- Generalitat de Catalunya (Grup de Recerca de Geodinamica i Analisi de Conques) [2009SGR1198]
- Ministerio de Educacion, Cultura y Deporte
The structure of the Cotiella Basin consists of four well differentiated salt-floored sub-basins which contain more than 6 km of halokinetic growth-strata and have been interpreted to be formed by gravity-driven extensional faults and diapirism during the middle Coniacian - early Santonian. The subsequent Pyrenean orogeny (late Santonian to Miocene) inverted the extensional basins and squeezed the diapirs leaving little trace of the original salt volume, although both the extensional and the salt-related features of the Cotiella Basin were preserved. This paper provides new insights into the evolution of the Cotiella Basin by establishing a correlation between sub-basins by means of structural restorations. The workflow followed and the assumptions made during the restoration of the inversion and especially of the extensional structures are outlined in detail. (C) 2014 Elsevier Ltd. All rights reserved.
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