Person:
Rodríguez López, Juan Pedro

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First Name
Juan Pedro
Last Name
Rodríguez López
URI
https://hdl.handle.net/20.500.14352/83883
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Ciencias Geológicas
Department
Area
Estratigrafía
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Author: Rodríguez López, Juan Pedro × Subject: 551.243.1:551.763(460.22) ×

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    Normal fault development in a sedimentary succession with multiple detachment levels: the Lower Cretaceous Oliete sub-basin, Eastern Spain
    (Basin research, 2007) Rodríguez López, Juan Pedro; Liesa, C.L.; Meléndez Hevia, María Nieves; Soria, A.R.
    Field exposures of Lower Cretaceous strata in the Oliete sub-basin (eastern Spain) allow identification of syn-rift features such as listric and planar normal faults, rotated fault blocks, fault-related folds, sharp thickness variations and wedge-shaped sedimentary geometries, as well as intra-rift angular unconformities defined by the erosive truncation of rotated fault blocks and the onlap of upper units. The combined use of both stratigraphic and extensional tectonic features at the outcrop scale has allowed us to characterise different syn-sedimentary tectonic events and their correlation between the footwall and the hangingwall block of the major extensional Gargallo fault. Such events have been interpreted as induced by the major Gargallo fault activity, and they are the basis for proposing a polyphase evolutionary model for this master fault. Data indicate that the deformation tends not to be concentrated on the major fault; instead, it is distributed over a wide area. We interpret that both the interlayered detachment levels in the pre-rift (especially the Late Triassic Keuper Facies) and syn-rift series, together with the rheology of the sedimentary pile, play an important role in transmitting deformation from master faults to hangingwall and footwall blocks.