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Structural controls on sedimentation during asymmetric extension: The case of Sorbas Basin (SE Spain)

Andrić, Nevena; Matenco, Liviu; Hilgen, Frits; Bresser, Hans de

Abstract (englisch):

Understanding the link between sedimentation and fault kinematics is important for reconstructing the evolution of sedimentary basins. The relationship between the mechanics of creating accommodation space and the sediment supply in asymmetric extensional basins is critical for quantifying their syn- and post-rift evolution, but is not yet well understood. One exceptional place to analyze such mechanics of normal faulting and its relationship with the evolution of depositional environments is the Sorbas Basin in the Betic Cordillera of SE Spain. We have analyzed the interplay between extension and deposition by means of a detailed sedimentological and field kinematic study. The results indicate a novel and coupled evolution, characterized by low-order tectonically induced sedimentary successions driven by the change of deformation style and high-order tectonically induced sedimentary successions driven by individual stages of fault activity. Fault mechanics and hanging-wall tilting control the formation of depositional slopes, while footwall exhumation induces enhanced sourcing of coarse sediments that may be stored in proximal areas or recycled in the basin during episodes of fault activity. ... mehr

DOI: 10.1016/j.gloplacha.2018.01.019
Zitationen: 9
Web of Science
Zitationen: 7
Zitationen: 8
Zugehörige Institution(en) am KIT Institut für Angewandte Geowissenschaften (AGW)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 12.2018
Sprache Englisch
Identifikator ISSN: 0921-8181
KITopen-ID: 1000140038
Erschienen in Global and planetary change
Verlag Elsevier
Band 171
Seiten 185–206
Nachgewiesen in Scopus
Web of Science
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